Qbservable.FromAsyncPattern<T1, T2, T3, T4, T5, T6, T7, T8, T9> Method (IQbservableProvider, Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, AsyncCallback, Object, IAsyncResult>>, Expression<Action<IAsyncResult>>)

Converts a Begin/End invoke function pair into an asynchronous function.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive.Providers (in System.Reactive.Providers.dll)

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function FromAsyncPattern(Of T1, T2, T3, T4, T5, T6, T7, T8, T9) ( _
    provider As IQbservableProvider, _
    begin As Expression(Of Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, AsyncCallback, Object, IAsyncResult)), _
    end As Expression(Of Action(Of IAsyncResult)) _
) As Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, IQbservable(Of Unit))
'Usage
Dim provider As IQbservableProvider
Dim begin As Expression(Of Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, AsyncCallback, Object, IAsyncResult))
Dim end As Expression(Of Action(Of IAsyncResult))
Dim returnValue As Func(Of T1, T2, T3, T4, T5, T6, T7, T8, T9, IQbservable(Of Unit))

returnValue = provider.FromAsyncPattern(begin, _
    end)
public static Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, IQbservable<Unit>> FromAsyncPattern<T1, T2, T3, T4, T5, T6, T7, T8, T9>(
    this IQbservableProvider provider,
    Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, AsyncCallback, Object, IAsyncResult>> begin,
    Expression<Action<IAsyncResult>> end
)
[ExtensionAttribute]
public:
generic<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
static Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, IQbservable<Unit>^>^ FromAsyncPattern(
    IQbservableProvider^ provider, 
    Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, AsyncCallback^, Object^, IAsyncResult^>^>^ begin, 
    Expression<Action<IAsyncResult^>^>^ end
)
static member FromAsyncPattern : 
        provider:IQbservableProvider * 
        begin:Expression<Func<'T1, 'T2, 'T3, 'T4, 'T5, 'T6, 'T7, 'T8, 'T9, AsyncCallback, Object, IAsyncResult>> * 
        end:Expression<Action<IAsyncResult>> -> Func<'T1, 'T2, 'T3, 'T4, 'T5, 'T6, 'T7, 'T8, 'T9, IQbservable<Unit>> 
JScript does not support generic types and methods.

Type Parameters

  • T1
    The first type of function.
  • T2
    The second type of function.
  • T3
    The third type of function.
  • T4
    The fourth type of function.
  • T5
    The fifth type of function.
  • T6
    The sixth type of function.
  • T7
    The seventh type of function.
  • T8
    The eighth type of function.
  • T9
    The ninth type of function.

Parameters

Return Value

Type: System.Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, IQbservable<Unit>>
A Begin/End invoke function pair.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservableProvider. When you use instance method syntax to call this method, omit the first parameter. For more information, see or .

See Also

Reference

Qbservable Class

FromAsyncPattern Overload

System.Reactive.Linq Namespace