The WM_SIZING message is sent to a window that the user is resizing. By processing this message, an application can monitor the size and position of the drag rectangle and, if needed, change its size or position.
fwSide = wParam; // edge of window being sized lprc = (LPRECT) lParam; // screen coordinates of drag rectangle
Value |
Meaning |
WMSZ_BOTTOM |
Bottom edge |
WMSZ_BOTTOMLEFT |
Bottom-left corner |
WMSZ_BOTTOMRIGHT |
Bottom-right corner |
WMSZ_LEFT |
Left edge |
WMSZ_RIGHT |
Right edge |
WMSZ_TOP |
Top edge |
WMSZ_TOPLEFT |
Top-left corner |
WMSZ_TOPRIGHT |
Top-right corner |
An application should return TRUE if it processes this message.
file: /Techref/os/win/api/win32/mess/src/msg28_3.htm, 3KB, , updated: 2000/4/7 12:20, local time: 2025/5/3 08:38,
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