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,System.IObservable{--1},System.IObservable{--2},System.Func{--0,--1,--2,--3})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.Func{--0,--1,--2,--3,--4})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.Func{--0,--1,--2,--3,--4,--5})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.Func{--0,--1,--2,--3,--4,--5,--6})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.Func{--0,--1,--2,--3,--4,--5,--6,--7})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.IObservable{--11},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11,--12})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.IObservable{--11},System.IObservable{--12},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11,--12,--13})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.IObservable{--11},System.IObservable{--12},System.IObservable{--13},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11,--12,--13,--14})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.IObservable{--11},System.IObservable{--12},System.IObservable{--13},System.IObservable{--14},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11,--12,--13,--14,--15})} ,System.IObservable{--1},System.IObservable{--2},System.IObservable{--3},System.IObservable{--4},System.IObservable{--5},System.IObservable{--6},System.IObservable{--7},System.IObservable{--8},System.IObservable{--9},System.IObservable{--10},System.IObservable{--11},System.IObservable{--12},System.IObservable{--13},System.IObservable{--14},System.IObservable{--15},System.Func{--0,--1,--2,--3,--4,--5,--6,--7,--8,--9,--10,--11,--12,--13,--14,--15,--16})} ,System.IObservable{--1},System.Func{--0,--1,--2})} },System.Func{System.Collections.Generic.IList{--0},--1})} })} [])}

Observable.CombineLatest(IObservable, IObservable, IObservable, Func) method

Defined in

Type: Observable Namespace: System.Reactive.Linq Assembly: System.Reactive.dll

Applies to

netstandard2.0

Overloads

  • 1. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, Func<TSource1, TSource2, TSource3, TResult> resultSelector)
  • 2. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, Func<TSource1, TSource2, TSource3, TSource4, TResult> resultSelector)
  • 3. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TResult> resultSelector)
  • 4. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TResult> resultSelector)
  • 5. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TResult> resultSelector)
  • 6. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TResult> resultSelector)
  • 7. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TResult> resultSelector)
  • 8. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TResult> resultSelector)
  • 9. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TResult> resultSelector)
  • 10. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TResult> resultSelector)
  • 11. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TResult> resultSelector)
  • 12. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TResult> resultSelector)
  • 13. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, IObservable<TSource15> source15, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TResult> resultSelector)
  • 14. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, IObservable<TSource15> source15, IObservable<TSource16> source16, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, TResult> resultSelector)
  • 15. public static IObservable<TResult> CombineLatest<TSource1, TSource2, TResult>(this IObservable<TSource1> first, IObservable<TSource2> second, Func<TSource1, TSource2, TResult> resultSelector)
  • 16. public static IObservable<TResult> CombineLatest<TSource, TResult>(this IEnumerable<IObservable<TSource>> sources, Func<IList<TSource>, TResult> resultSelector)
  • 17. public static IObservable<IList<TSource>> CombineLatest<TSource>(this IEnumerable<IObservable<TSource>> sources)
  • 18. public static IObservable<IList<TSource>> CombineLatest<TSource>(params IObservable<TSource>[] sources)

1. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, Func<TSource1, TSource2, TSource3, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or resultSelector is null.

2. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, Func<TSource1, TSource2, TSource3, TSource4, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or resultSelector is null.

3. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or resultSelector is null.

4. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or resultSelector is null.

5. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or resultSelector is null.

6. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or resultSelector is null.

7. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or resultSelector is null.

8. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or resultSelector is null.

9. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or resultSelector is null.

10. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TSource12The type of the elements in the twelfth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
source12IObservableTwelfth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or source12 or resultSelector is null.

11. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TSource12The type of the elements in the twelfth source sequence.
TSource13The type of the elements in the thirteenth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
source12IObservableTwelfth observable source.
source13IObservableThirteenth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or source12 or source13 or resultSelector is null.

12. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TSource12The type of the elements in the twelfth source sequence.
TSource13The type of the elements in the thirteenth source sequence.
TSource14The type of the elements in the fourteenth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
source12IObservableTwelfth observable source.
source13IObservableThirteenth observable source.
source14IObservableFourteenth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or source12 or source13 or source14 or resultSelector is null.

13. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, IObservable<TSource15> source15, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TSource12The type of the elements in the twelfth source sequence.
TSource13The type of the elements in the thirteenth source sequence.
TSource14The type of the elements in the fourteenth source sequence.
TSource15The type of the elements in the fifteenth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
source12IObservableTwelfth observable source.
source13IObservableThirteenth observable source.
source14IObservableFourteenth observable source.
source15IObservableFifteenth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or source12 or source13 or source14 or source15 or resultSelector is null.

14. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, TResult>(this IObservable<TSource1> source1, IObservable<TSource2> source2, IObservable<TSource3> source3, IObservable<TSource4> source4, IObservable<TSource5> source5, IObservable<TSource6> source6, IObservable<TSource7> source7, IObservable<TSource8> source8, IObservable<TSource9> source9, IObservable<TSource10> source10, IObservable<TSource11> source11, IObservable<TSource12> source12, IObservable<TSource13> source13, IObservable<TSource14> source14, IObservable<TSource15> source15, IObservable<TSource16> source16, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TSource3The type of the elements in the third source sequence.
TSource4The type of the elements in the fourth source sequence.
TSource5The type of the elements in the fifth source sequence.
TSource6The type of the elements in the sixth source sequence.
TSource7The type of the elements in the seventh source sequence.
TSource8The type of the elements in the eighth source sequence.
TSource9The type of the elements in the ninth source sequence.
TSource10The type of the elements in the tenth source sequence.
TSource11The type of the elements in the eleventh source sequence.
TSource12The type of the elements in the twelfth source sequence.
TSource13The type of the elements in the thirteenth source sequence.
TSource14The type of the elements in the fourteenth source sequence.
TSource15The type of the elements in the fifteenth source sequence.
TSource16The type of the elements in the sixteenth source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
source1IObservableFirst observable source.
source2IObservableSecond observable source.
source3IObservableThird observable source.
source4IObservableFourth observable source.
source5IObservableFifth observable source.
source6IObservableSixth observable source.
source7IObservableSeventh observable source.
source8IObservableEighth observable source.
source9IObservableNinth observable source.
source10IObservableTenth observable source.
source11IObservableEleventh observable source.
source12IObservableTwelfth observable source.
source13IObservableThirteenth observable source.
source14IObservableFourteenth observable source.
source15IObservableFifteenth observable source.
source16IObservableSixteenth observable source.
resultSelectorFuncFunction to invoke whenever any of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsource1 or source2 or source3 or source4 or source5 or source6 or source7 or source8 or source9 or source10 or source11 or source12 or source13 or source14 or source15 or source16 or resultSelector is null.

15. Overload

public static IObservable<TResult> CombineLatest<TSource1, TSource2, TResult>(this IObservable<TSource1> first, IObservable<TSource2> second, Func<TSource1, TSource2, TResult> resultSelector)

Summary: Merges two observable sequences into one observable sequence by using the selector function whenever one of the observable sequences produces an element.

Type parameters

NameDescription
TSource1The type of the elements in the first source sequence.
TSource2The type of the elements in the second source sequence.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
firstIObservableFirst observable source.
secondIObservableSecond observable source.
resultSelectorFuncFunction to invoke whenever either of the sources produces an element.

Returns: IObservable -- An observable sequence containing the result of combining elements of both sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionfirst or second or resultSelector is null.

16. Overload

public static IObservable<TResult> CombineLatest<TSource, TResult>(this IEnumerable<IObservable<TSource>> sources, Func<IList<TSource>, TResult> resultSelector)

Summary: Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSourceThe type of the elements in the source sequences.
TResultThe type of the elements in the result sequence, returned by the selector function.

Parameters

NameTypeDescription
sourcesIEnumerable>Observable sources.
resultSelectorFunc, TResult>Function to invoke whenever any of the sources produces an element. For efficiency, the input list is reused after the selector returns. Either aggregate or copy the values during the function call.

Returns: IObservable -- An observable sequence containing the result of combining elements of the sources using the specified result selector function.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsources or resultSelector is null.

17. Overload

public static IObservable<IList<TSource>> CombineLatest<TSource>(this IEnumerable<IObservable<TSource>> sources)

Summary: Merges the specified observable sequences into one observable sequence by emitting a list with the latest source elements whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSourceThe type of the elements in the source sequences, and in the lists in the result sequence.

Parameters

NameTypeDescription
sourcesIEnumerable>Observable sources.

Returns: IObservable> -- An observable sequence containing lists of the latest elements of the sources.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsources is null.

18. Overload

public static IObservable<IList<TSource>> CombineLatest<TSource>(params IObservable<TSource>[] sources)

Summary: Merges the specified observable sequences into one observable sequence by emitting a list with the latest source elements whenever any of the observable sequences produces an element.

Type parameters

NameDescription
TSourceThe type of the elements in the source sequences, and in the lists in the result sequence.

Parameters

NameTypeDescription
params sourcesIObservable<TSource>[]Observable sources.

Returns: IObservable> -- An observable sequence containing lists of the latest elements of the sources.

Remarks

If a non-empty source completes, its very last value will be used for creating subsequent combinations until all sources terminate.

Exceptions

TypeCondition
System.ArgumentNullExceptionsources is null.