BeginFlush Method

HttpResponseWrapper.BeginFlush Method (AsyncCallback, Object)

.NET Framework (current version)
 

Sends the currently buffered response to the client.

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

public override IAsyncResult BeginFlush(
	AsyncCallback callback,
	object state
)

Parameters

callback
Type: System.AsyncCallback

The callback object.

state
Type: System.Object

The response state.

Return Value

Type: System.IAsyncResult

The asynchronous result object.

Exception Condition
HttpException

The response is already completed.

If the underlying HttpWorkerRequest object supports asynchronous flush operations and this method is called from an asynchronous module event or from an asynchronous handler, the flush operation is performed asynchronously. Otherwise, the flush operation is performed synchronously. Asynchronous flush is supported for IIS 6.0 and later.

.NET Framework
Available since 4.5
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