◄Message Group► ◄Overview► ◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── #define INCL_WININPUT WM_BUTTON3DOWN x = (SHORT) SHORT1FROMMP(mp1); /* horizontal position */ y = (SHORT) SHORT2FROMMP(mp1); /* vertical position */ The WM_BUTTON3DOWN message is sent when the user clicks the right mouse button of a three-button mouse. Parameter Description ──────────────────────────────────────────────────────────────────────────── x Low word of mp1. Indicates the horizontal position of the mouse pointer (in window coordinates). y High word of mp1. Indicates the vertical position of the mouse pointer (in window coordinates). Return Value An application should return TRUE if it processes this message. See Also WM_BUTTON3DBLCLK, WM_BUTTON3UP, WM_HITTEST ♦