WindowsFormsSynchronizationContext.Send Method

Note: This method is new in the .NET Framework version 2.0.

Dispatches a synchronous message to a synchronization context

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in

public override void Send (
	SendOrPostCallback d,
	Object state
public void Send (
	SendOrPostCallback d, 
	Object state
public override function Send (
	d : SendOrPostCallback, 
	state : Object



The SendOrPostCallback delegate to call.


The object passed to the delegate.

Exception typeCondition


The destination thread no longer exists.

If the destination thread no longer exists or the value of its Thread.IsAlive property is false, the Send method raises an InvalidAsynchronousStateException. It is up to the caller to determine what further action to take.

Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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