},System.Linq.Expressions.Expression{System.Action{System.Action}})} },System.Linq.Expressions.Expression{System.Action{System.Action}},System.Reactive.Concurrency.IScheduler)} },System.Linq.Expressions.Expression{System.Action{--0}})} },System.Linq.Expressions.Expression{System.Action{--0}},System.Reactive.Concurrency.IScheduler)} ,--0}},System.Linq.Expressions.Expression{System.Action{--0}},System.Linq.Expressions.Expression{System.Action{--0}})} ,--0}},System.Linq.Expressions.Expression{System.Action{--0}},System.Linq.Expressions.Expression{System.Action{--0}},System.Reactive.Concurrency.IScheduler)} }},System.Linq.Expressions.Expression{System.Action{System.Action{--0}}})} }},System.Linq.Expressions.Expression{System.Action{System.Action{--0}}},System.Reactive.Concurrency.IScheduler)}
Qbservable.FromEvent(IQbservableProvider, Expression>, Expression>) method¶
Defined in
Type: Qbservable
Namespace: System.Reactive.Linq
Assembly: System.Reactive.dll
Applies to
net8.0, net8.0-windows10.0.19041, net8.0-ios17.5, net8.0-maccatalyst17.5, net8.0-macos14.2, net8.0-macos14.5, net8.0-tvos17.2, netstandard2.0
Overloads¶
- 1.
public static IQbservable<Unit> FromEvent(this IQbservableProvider provider, Expression<Action<Action>> addHandler, Expression<Action<Action>> removeHandler) - 2.
public static IQbservable<Unit> FromEvent(this IQbservableProvider provider, Expression<Action<Action>> addHandler, Expression<Action<Action>> removeHandler, IScheduler scheduler) - 3.
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler) - 4.
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler, IScheduler scheduler) - 5.
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Func<Action<TEventArgs>, TDelegate>> conversion, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler) - 6.
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Func<Action<TEventArgs>, TDelegate>> conversion, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler, IScheduler scheduler) - 7.
public static IQbservable<TEventArgs> FromEvent<TEventArgs>(this IQbservableProvider provider, Expression<Action<Action<TEventArgs>>> addHandler, Expression<Action<Action<TEventArgs>>> removeHandler) - 8.
public static IQbservable<TEventArgs> FromEvent<TEventArgs>(this IQbservableProvider provider, Expression<Action<Action<TEventArgs>>> addHandler, Expression<Action<Action<TEventArgs>>> removeHandler, IScheduler scheduler)
1. Overload¶
public static IQbservable<Unit> FromEvent(this IQbservableProvider provider, Expression<Action<Action>> addHandler, Expression<Action<Action>> removeHandler)
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
Returns: IQbservable
2. Overload¶
public static IQbservable<Unit> FromEvent(this IQbservableProvider provider, Expression<Action<Action>> addHandler, Expression<Action<Action>> removeHandler, IScheduler scheduler)
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
scheduler | [IScheduler](# | -- |
Returns: IQbservable
3. Overload¶
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
Returns: IQbservable
4. Overload¶
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
scheduler | [IScheduler](# | -- |
Returns: IQbservable
5. Overload¶
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Func<Action<TEventArgs>, TDelegate>> conversion, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
conversion | Expression | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
Returns: IQbservable
6. Overload¶
public static IQbservable<TEventArgs> FromEvent<TDelegate, TEventArgs>(this IQbservableProvider provider, Expression<Func<Action<TEventArgs>, TDelegate>> conversion, Expression<Action<TDelegate>> addHandler, Expression<Action<TDelegate>> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TDelegate | -- |
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
conversion | Expression | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
scheduler | [IScheduler](# | -- |
Returns: IQbservable
7. Overload¶
public static IQbservable<TEventArgs> FromEvent<TEventArgs>(this IQbservableProvider provider, Expression<Action<Action<TEventArgs>>> addHandler, Expression<Action<Action<TEventArgs>>> removeHandler)
Type parameters
| Name | Description |
|---|---|
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
Returns: IQbservable
8. Overload¶
public static IQbservable<TEventArgs> FromEvent<TEventArgs>(this IQbservableProvider provider, Expression<Action<Action<TEventArgs>>> addHandler, Expression<Action<Action<TEventArgs>>> removeHandler, IScheduler scheduler)
Type parameters
| Name | Description |
|---|---|
TEventArgs | -- |
Parameters
| Name | Type | Description |
|---|---|---|
provider | [IQbservableProvider](# | -- |
addHandler | Expression | -- |
removeHandler | Expression | -- |
scheduler | [IScheduler](# | -- |
Returns: IQbservable