Inserts processing on a communication object after it transitions to the opening state due to the invocation of an asynchronous open operation.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
protected abstract IAsyncResult OnBeginOpen( TimeSpan timeout, AsyncCallback callback, Object state )
- Type: System.TimeSpan
The Timespan that specifies how long the on open operation has to complete before timing out.
- Type: System.AsyncCallback
The AsyncCallback delegate that receives notification of the completion of the asynchronous on open operation.
- Type: System.Object
An object, specified by the application, that contains state information associated with the asynchronous on open operation.
- 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.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.