◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── #define INCL_WINMESSAGEMGR WM_SYSVALUECHANGED iFirst = SHORT1FROMMP(mp1); /* first value that changed */ iLast = SHORT1FROMMP(mp2); /* last value that changed */ The WM_SYSVALUECHANGED message is sent to all child windows of the desktop when a change is made to a system value. The application should post this message whenever it changes the system values to notify other windows of the change. Parameter Description ──────────────────────────────────────────────────────────────────────────── iFirst Low word of mp1. Specifies the first of a contiguous set of changed system values. iLast Low word of mp2. Specifies the last of a contiguous set of changed system values. Return Value An application should return zero if it processes this message. See Also WM_SYSCOLORCHANGE ♦