Set-window-position structure.
typedef struct _SWP { ULONG fl; /* Options. */ LONG cy; /* Window height. */ LONG cx; /* Window width. */ LONG y; /* Y-coordinate of origin. */ LONG x; /* X-coordinate of origin. */ HWND hwndInsertBehind; /* Window behind which this window is placed. */ HWND hwnd; /* Window handle. */ ULONG ulReserved1; /* Reserved value; must be 0. */ ULONG ulReserved2; /* Reserved value; must be 0. */ } SWP; typedef SWP * PSWP ;