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DispatcherOperationCallback Delegate

Represents a delegate to use for dispatcher operations.

Namespace: System.Windows.Threading
Assembly: WindowsBase (in windowsbase.dll)

public delegate Object DispatcherOperationCallback (
	Object arg
)
/** @delegate */
public delegate Object DispatcherOperationCallback (
	Object arg
)
In XAML, you can use delegates but you cannot define your own.

Parameters

arg

An argument passed to the callback.

Return Value

The object returned by the callback.

It is not necessary to use this delegate for dispatcher operations, but DispatcherOperationCallback and SendOrPostCallback use dynamic invoking.

Partial Trust applications do not support dynamic invoking, so you must use either DispatcherOperationCallback or SendOrPostCallback if the application is going to be running in Partial Trust.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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