IsGUIThread function
Determines whether the calling thread is already a GUI thread. It can also optionally convert the thread to a GUI thread.
Syntax
BOOL WINAPI IsGUIThread( _In_ BOOL bConvert );
Parameters
- bConvert [in]
-
Type: BOOL
If TRUE and the thread is not a GUI thread, convert the thread to a GUI thread.
Return value
Type: Type: BOOL
The function returns a nonzero value in the following situations:
- If the calling thread is already a GUI thread.
- If bConvert is TRUE and the function successfully converts the thread to a GUI thread.
Otherwise, the function returns zero.
If bConvert is TRUE and the function cannot successfully convert the thread to a GUI thread, IsGUIThread returns ERROR_NOT_ENOUGH_MEMORY.
Requirements
|
Minimum supported client | Windows XP [desktop apps only] |
|---|---|
|
Minimum supported server | Windows Server 2003 [desktop apps only] |
|
Header |
|
|
Library |
|
|
DLL |
|
See also
Send comments about this topic to Microsoft
Build date: 2/25/2013
