DataAsyncCommand.OnCancel Method

Dispatches the asynchronous cancel operation to the appropriate synchronous method.

Namespace:  Microsoft.VisualStudio.Data.Framework
Assembly:  Microsoft.VisualStudio.Data.Framework (in Microsoft.VisualStudio.Data.Framework.dll)

Syntax

'宣言
Protected Overridable Sub OnCancel ( _
    userState As Object _
)
'使用
Dim userState As Object

Me.OnCancel(userState)

protected virtual void OnCancel(
    Object userState
)

protected:
virtual void OnCancel(
    Object^ userState
)

protected function OnCancel(
    userState : Object
)

Parameters

• userState
  Type: System.Object

  The unique identifier of an asynchronous operation to cancel.

Permissions

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

DataAsyncCommand Class

DataAsyncCommand Members

Microsoft.VisualStudio.Data.Framework Namespace