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- /*----------------------------------------------------------
- WELCOME1.C -- A Program that Writes to its Client Window
- ----------------------------------------------------------*/
-
- #define INCL_WIN
- #include <os2.h>
-
- MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
-
- int main (void)
- {
- static CHAR szClientClass [] = "Welcome1" ;
- static ULONG flFrameFlags = FCF_TITLEBAR | FCF_SYSMENU |
- FCF_SIZEBORDER | FCF_MINMAX |
- FCF_SHELLPOSITION | FCF_TASKLIST ;
- HAB hab ;
- HMQ hmq ;
- HWND hwndFrame, hwndClient ;
- QMSG qmsg ;
-
- hab = WinInitialize (0) ;
- hmq = WinCreateMsgQueue (hab, 0) ;
-
- WinRegisterClass (
- hab, // Anchor block handle
- szClientClass, // Name of class being registered
- ClientWndProc, // Window procedure for class
- CS_SIZEREDRAW, // Class style
- 0) ; // Extra bytes to reserve
-
- hwndFrame = WinCreateStdWindow (
- HWND_DESKTOP, // Parent window handle
- WS_VISIBLE, // Style of frame window
- &flFrameFlags, // Pointer to control data
- szClientClass, // Client window class name
- NULL, // Title bar text
- 0L, // Style of client window
- NULL, // Module handle for resources
- 0, // ID of resources
- &hwndClient) ; // Pointer to client window handle
-
- WinSendMsg (hwndFrame, WM_SETICON,
- WinQuerySysPointer (HWND_DESKTOP, SPTR_APPICON, FALSE),
- NULL) ;
-
- while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
- WinDispatchMsg (hab, &qmsg) ;
-
- WinDestroyWindow (hwndFrame) ;
- WinDestroyMsgQueue (hmq) ;
- WinTerminate (hab) ;
- return 0 ;
- }
-
- MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
- {
- static CHAR szText [] = "Welcome to the OS/2 Presentation Manager" ;
- HPS hps;
- RECTL rcl ;
-
- switch (msg)
- {
- case WM_CREATE:
- DosBeep (261, 100) ;
- DosBeep (330, 100) ;
- DosBeep (392, 100) ;
- DosBeep (523, 500) ;
- return 0 ;
-
- case WM_PAINT:
- hps = WinBeginPaint (hwnd, NULL, NULL) ;
-
- WinQueryWindowRect (hwnd, &rcl) ;
-
- WinDrawText (hps, -1, szText, &rcl, CLR_NEUTRAL, CLR_BACKGROUND,
- DT_CENTER | DT_VCENTER | DT_ERASERECT) ;
-
- WinEndPaint (hps) ;
- return 0 ;
-
- case WM_DESTROY:
- DosBeep (523, 100) ;
- DosBeep (392, 100) ;
- DosBeep (330, 100) ;
- DosBeep (261, 500) ;
- return 0 ;
- }
- return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
- }
-