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4/8/2010

Determines if there is an outstanding request. This is a nonblocking member function.

Syntax

BOOL CheckRequest(
  DWORD* 
pParam
);

Parameters

pParam

Parameter that assumes the value passed by the last call to the CAMThread::CallWorkermember function.

Return Value

Returns TRUE if an outstanding request is still active, or FALSE is no request is active.

Remarks

If there is an outstanding request, the requesting thread will block until the CAMThread::GetRequestmember function is called.

The request remains outstanding (that is, this member function continues to return TRUE) until either the CAMThread::Replyor CAMThread::GetRequestmember function is called.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later