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ISynchronizeInvoke.BeginInvoke Method

Asynchronously executes the delegate on the thread that created this object.

Namespace:  System.ComponentModel
Assembly:  System (in System.dll)

[HostProtectionAttribute(SecurityAction.LinkDemand, Synchronization = true, 
	ExternalThreading = true)]
IAsyncResult BeginInvoke(
	Delegate method,
	Object[] args


Type: System.Delegate

A Delegate to a method that takes parameters of the same number and type that are contained in args.

Type: System.Object[]

An array of type Object to pass as arguments to the given method. This can be null if no arguments are needed.

Return Value

Type: System.IAsyncResult
An IAsyncResult interface that represents the asynchronous operation started by calling this method.

The method delegate is executed on the thread that created the object, instead of the thread on which BeginInvoke was called.

The delegate is called asynchronously, and this method returns immediately. You can call this method from any thread. If you need the return value from a process started with this method, call EndInvoke to get the value.

If you need to call the delegate synchronously, use the Invoke method instead.


The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: Synchronization | ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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