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1.1 ! root 1: /*--------------------------------------- ! 2: BEEPER2.C -- Timer Demo Program No. 2 ! 3: ---------------------------------------*/ ! 4: ! 5: #define INCL_WIN ! 6: #include <os2.h> ! 7: ! 8: MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ; ! 9: ! 10: BOOL fFlipFlop ; ! 11: ! 12: int main (void) ! 13: { ! 14: static char szClientClass [] = "Beeper2" ; ! 15: static ULONG flFrameFlags = FCF_TITLEBAR | FCF_SYSMENU | ! 16: FCF_SIZEBORDER | FCF_MINMAX | ! 17: FCF_SHELLPOSITION | FCF_TASKLIST ; ! 18: HAB hab ; ! 19: HMQ hmq ; ! 20: HWND hwndFrame, hwndClient ; ! 21: QMSG qmsg ; ! 22: USHORT idTimer ; ! 23: ! 24: hab = WinInitialize (0) ; ! 25: hmq = WinCreateMsgQueue (hab, 0) ; ! 26: ! 27: WinRegisterClass (hab, szClientClass, ClientWndProc, CS_SIZEREDRAW, 0) ; ! 28: ! 29: hwndFrame = WinCreateStdWindow (HWND_DESKTOP, WS_VISIBLE, ! 30: &flFrameFlags, szClientClass, NULL, ! 31: 0L, NULL, 0, &hwndClient) ; ! 32: ! 33: idTimer = WinStartTimer (hab, NULL, 0, 1000) ; ! 34: ! 35: while (WinGetMsg (hab, &qmsg, NULL, 0, 0)) ! 36: { ! 37: if (qmsg.msg == WM_TIMER && SHORT1FROMMP (qmsg.mp1) == idTimer) ! 38: { ! 39: WinAlarm (HWND_DESKTOP, WA_NOTE) ; ! 40: fFlipFlop = !fFlipFlop ; ! 41: WinInvalidateRect (hwndClient, NULL, FALSE) ; ! 42: } ! 43: else ! 44: WinDispatchMsg (hab, &qmsg) ; ! 45: } ! 46: ! 47: WinStopTimer (hab, NULL, idTimer) ; ! 48: ! 49: WinDestroyWindow (hwndFrame) ; ! 50: WinDestroyMsgQueue (hmq) ; ! 51: WinTerminate (hab) ; ! 52: return 0 ; ! 53: } ! 54: ! 55: MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2) ! 56: { ! 57: HPS hps ; ! 58: RECTL rcl ; ! 59: ! 60: switch (msg) ! 61: { ! 62: case WM_PAINT: ! 63: hps = WinBeginPaint (hwnd, NULL, NULL) ; ! 64: ! 65: WinQueryWindowRect (hwnd, &rcl) ; ! 66: WinFillRect (hps, &rcl, fFlipFlop ? CLR_BLUE : CLR_RED) ; ! 67: ! 68: WinEndPaint (hps) ; ! 69: return 0 ; ! 70: } ! 71: return WinDefWindowProc (hwnd, msg, mp1, mp2) ; ! 72: }
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