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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 |