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AsyncResultTBegin Method

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Called at the beginning of a synchronous or asynchronous operation. This method will also construct an AsyncResult object from the arguments provided and return it.

Namespace:  Telogis.GeoBase.Concurrency
Assembly:  geobase.net (in geobase.net.dll) Version: 4.99.0.0
Syntax
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public static AsyncResult<T> Begin(
	AsyncCallback callback,
	Object state,
	AsyncResultTAsyncActionDelegate action
)

Parameters

callback
Type: SystemAsyncCallback
A callback to be associated with the AsyncResult object returned. It will be called back when the operation completes and the result or exception is set. It takes the AsyncResult object itself as a parameter, and by inspecting this object the result or exception of the operation can be determined.
state
Type: SystemObject
A state object to be associated with the AsyncResult object returned.
action
Type: Telogis.GeoBase.ConcurrencyAsyncResultTAsyncActionDelegate
A callback that is called immediately to begin the operation (either synchronously or asynchronously).

Return Value

Type: AsyncResultT
An AsyncResult object representing the state of the operation.
See Also