,--0},System.Action{--0},System.Action{--0})} ,--0},System.Action{--0},System.Action{--0},System.Reactive.Concurrency.IScheduler)} ,System.Action{--0})} ,System.Action{--0},System.Reactive.Concurrency.IScheduler)} },System.Action{System.Action{--0}})} },System.Action{System.Action{--0}},System.Reactive.Concurrency.IScheduler)} ,System.Action{System.Action})} ,System.Action{System.Action},System.Reactive.Concurrency.IScheduler)}
Observable.FromEvent(Func, TDelegate>, Action, Action) method¶
Defined in
Type: Observable
Namespace: System.Reactive.Linq
Assembly: System.Reactive.dll
Applies to
net8.0, net8.0-windows10.0.19041, netstandard2.0
Overloads¶
-
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Func<Action<TEventArgs>, TDelegate> conversion, Action<TDelegate> addHandler, Action<TDelegate> removeHandler) -
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Func<Action<TEventArgs>, TDelegate> conversion, Action<TDelegate> addHandler, Action<TDelegate> removeHandler, IScheduler scheduler) -
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Action<TDelegate> addHandler, Action<TDelegate> removeHandler) -
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Action<TDelegate> addHandler, Action<TDelegate> removeHandler, IScheduler scheduler) -
public static IObservable<TEventArgs> FromEvent<TEventArgs>(Action<Action<TEventArgs>> addHandler, Action<Action<TEventArgs>> removeHandler) -
public static IObservable<TEventArgs> FromEvent<TEventArgs>(Action<Action<TEventArgs>> addHandler, Action<Action<TEventArgs>> removeHandler, IScheduler scheduler) -
public static IObservable<Unit> FromEvent(Action<Action> addHandler, Action<Action> removeHandler) -
public static IObservable<Unit> FromEvent(Action<Action> addHandler, Action<Action> removeHandler, IScheduler scheduler)
1. Overload¶
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Func<Action<TEventArgs>, TDelegate> conversion, Action<TDelegate> addHandler, Action<TDelegate> removeHandler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
conversion | Func | -- |
addHandler | Action | -- |
removeHandler | Action | -- |
Returns: IObservable
2. Overload¶
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Func<Action<TEventArgs>, TDelegate> conversion, Action<TDelegate> addHandler, Action<TDelegate> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
conversion | Func | -- |
addHandler | Action | -- |
removeHandler | Action | -- |
scheduler | [IScheduler](# | -- |
Returns: IObservable
3. Overload¶
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Action<TDelegate> addHandler, Action<TDelegate> removeHandler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
Returns: IObservable
4. Overload¶
public static IObservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(Action<TDelegate> addHandler, Action<TDelegate> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
scheduler | [IScheduler](# | -- |
Returns: IObservable
5. Overload¶
public static IObservable<TEventArgs> FromEvent<TEventArgs>(Action<Action<TEventArgs>> addHandler, Action<Action<TEventArgs>> removeHandler)
Type parameters
| Name | Description |
|---|---|
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
Returns: IObservable
6. Overload¶
public static IObservable<TEventArgs> FromEvent<TEventArgs>(Action<Action<TEventArgs>> addHandler, Action<Action<TEventArgs>> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
scheduler | [IScheduler](# | -- |
Returns: IObservable
7. Overload¶
public static IObservable<Unit> FromEvent(Action<Action> addHandler, Action<Action> removeHandler)
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
Returns: IObservable
8. Overload¶
public static IObservable<Unit> FromEvent(Action<Action> addHandler, Action<Action> removeHandler, IScheduler scheduler)
Parameters
| Name | Type | Description |
|---|---|---|
addHandler | Action | -- |
removeHandler | Action | -- |
scheduler | [IScheduler](# | -- |
Returns: IObservable