When implemented in a derived class, 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 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.
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