WinQueryWindowThunkProc: Difference between revisions
Created page with "This function queries the pointer-conversion procedure associated with a window. ==Syntax== WinQueryWindowThunkProc(''hwnd'') ==Parameters== ;hwnd (HWND) - input :Window h..." |
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Revision as of 20:14, 26 November 2023
This function queries the pointer-conversion procedure associated with a window.
Syntax
WinQueryWindowThunkProc(hwnd)
Parameters
- hwnd (HWND) - input
- Window handle.
Returns
- thunkpr (PFN) - returns
- Pointer-conversion procedure identifier.
- NULL
- No pointer-conversion procedure is associated with this window.
- Other
- Identifier of the pointer-conversion procedure associated with this window.
Example Code
This example shows how to get pointer conversion procedure associated with the frame window.
#define INCL_WINTHUNKAPI #include <OS2.H> HWND hwndFrame; PFN pthnkproc; pthnkproc = WinQueryWindowThunkProc(hwndFrame);
Definition
#define INCL_WINTHUNKAPI /* Or use INCL_WIN, INCL_PM, */ #include <os2.h> HWND hwnd; /* Window handle. */ PFN thunkpr; /* Pointer-conversion procedure identifier. */ thunkpr = WinQueryWindowThunkProc(hwnd);