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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