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)
'Declaration Protected MustOverride Function OnBeginOpen ( _ timeout As TimeSpan, _ callback As AsyncCallback, _ state As Object _ ) As IAsyncResult
- 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.
The communication object is in a Faulted state and cannot be modified.
The default interval of time that was allotted for the operation was exceeded before the operation was completed.
.NET FrameworkSupported in: 4.5, 4, 3.5, 3.0
.NET Framework Client ProfileSupported in: 4, 3.5 SP1
Portable Class LibrarySupported in: Portable Class Library
.NET for Windows Store appsSupported in: Windows 8
.NET for Windows Phone appsSupported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8
Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.