GetMessageExtraInfo function
Retrieves the extra message information for the current thread. Extra message information is an application- or driver-defined value associated with the current thread's message queue.
Syntax
LPARAM WINAPI GetMessageExtraInfo(void);
Parameters
This function has no parameters.
Return value
Type: Type: LPARAM
The return value specifies the extra information. The meaning of the extra information is device specific.
Remarks
To set a thread's extra message information, use the SetMessageExtraInfo function.
Requirements
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Minimum supported client |
Windows 2000 Professional [desktop apps only] |
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Minimum supported server |
Windows 2000 Server [desktop apps only] |
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Header |
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Library |
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DLL |
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See also
- Reference
- GetMessage
- PeekMessage
- SetMessageExtraInfo
- Conceptual
- Messages and Message Queues