Overview
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Windows NT
Yes
Win95
Yes
Win32s
No
Import Library
-
Header File
winuser.h
Unicode
No
Platform Notes
None

WM_MOVING

The WM_MOVING message is sent to a window that the user is moving. 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 to be moved

lprc = (LPRECT) lParam; // screen coordinates of drag rectangle

Parameters

fwSide

Value of wParam. Indicates which edge of the window is being moved. This parameter can be a combination of the following values:

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

lprc

Value of lParam. Address of a RECT structure with the screen coordinates of the drag rectangle. To change the size or position of the drag rectangle, an application must change the members of this structure.

Return Values

An application should return TRUE if it processes this message.

See Also

RECT
, WM_MOVE, WM_SIZING

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