WebAuthenticationService.BeginLoadUser Method

[WCF RIA Services Version 1 Service Pack 2 is compatible with either .NET framework 4 or .NET Framework 4.5, and with either Silverlight 4 or Silverlight 5.]

Begins an asynchronous LoadUser operation.

Namespace:  System.ServiceModel.DomainServices.Client.ApplicationServices
Assembly:  System.ServiceModel.DomainServices.Client.Web (in System.ServiceModel.DomainServices.Client.Web.dll)

Syntax

'Declaration
Protected Overrides Function BeginLoadUser ( _
    callback As AsyncCallback, _
    state As Object _
) As IAsyncResult

'Usage
Dim callback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult

returnValue = Me.BeginLoadUser(callback, _
    state)

protected override IAsyncResult BeginLoadUser(
    AsyncCallback callback,
    Object state
)

protected:
virtual IAsyncResult^ BeginLoadUser(
    AsyncCallback^ callback, 
    Object^ state
) override

abstract BeginLoadUser : 
        callback:AsyncCallback * 
        state:Object -> IAsyncResult 
override BeginLoadUser : 
        callback:AsyncCallback * 
        state:Object -> IAsyncResult 

protected override function BeginLoadUser(
    callback : AsyncCallback, 
    state : Object
) : IAsyncResult

Parameters

• callback
  Type: System.AsyncCallback
  The callback to invoke when the asynchronous call completes.

• state
  Type: System.Object
  The optional result state.

Return Value

Type: System.IAsyncResult
The result of the asynchronous call.

Exceptions

Exception	Condition
InvalidOperationException	DomainContext is nulla null reference (Nothing in Visual Basic) and a new instance cannot be created.

See Also

Reference

WebAuthenticationService Class

System.ServiceModel.DomainServices.Client.ApplicationServices Namespace