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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| -
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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WM_NCPAINT
An application sends the WM_NCPAINT message to a window when its frame must be
painted.
WM_NCPAINT
hrgn = (HRGN) wParam; // handle of update region
Parameters
hrgn
Value of
wParam. Identifies the update region of the window. The update region is clipped to
the window frame.
Return Values
An application should return zero if it processes this message.
Remarks
The
DefWindowProc function paints the window frame.
An application can intercept this message and paint its own custom window
frame. The clipping region for a window is always rectangular, even if the shape of
the frame is altered.
See Also
DefWindowProc,
GetWindowDC,
WM_PAINT
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