SetMessageExtraInfo function
Sets 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. An application can use the GetMessageExtraInfo function to retrieve a thread's extra message information.
Syntax
LPARAM WINAPI SetMessageExtraInfo( _In_ LPARAM lParam );
Parameters
- lParam [in]
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Type: LPARAM
The value to be associated with the current thread.
Return value
Type: Type: LPARAM
The return value is the previous value associated with the current thread.
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
- GetMessageExtraInfo
- Conceptual
- Messages and Message Queues