CAMThread::CheckRequest
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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::CallWorker member 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::GetRequest member function is called.
The request remains outstanding (that is, this member function continues to return TRUE) until either the CAMThread::Reply or CAMThread::GetRequest member 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 |