◄Message Group► ◄Overview► ◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── #define INCL_WINFRAMEMGR WM_SETBORDERSIZE cx = SHORT1FROMMP(mp1); /* width */ cy = SHORT1FROMMP(mp2); /* height */ The WM_SETBORDERSIZE message is sent to a frame window to change its size-control's border width and height. Parameter Description ──────────────────────────────────────────────────────────────────────────── cx Low word of mp1. Specifies the width of the size control. cy Low word of mp2. Specifies the height of the size control. Return Value An application should return TRUE if the size control is set. Otherwise, it should return FALSE. See Also WM_QUERYBORDERSIZE ♦