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Annotation of pmsdk/samples/msgbox/msgbox.c, revision 1.1

1.1     ! root        1: /*      msgbox.c  - Message box control sample application     */
        !             2: /*      Created by Microsoft Corp., 1989                       */
        !             3: /*                                                              */
        !             4: #define INCL_WIN
        !             5: #include <os2.h>
        !             6: #include "msgbox.h"
        !             7: 
        !             8: /* Procedure prototypes */
        !             9: MPARAM CALLBACK MsgBoxDlgProc(HWND, USHORT, MPARAM, MPARAM);
        !            10: void cdecl main(void);
        !            11: 
        !            12: 
        !            13: /* Main routine -- creates a dialog box window */
        !            14: void cdecl main(void)
        !            15: {
        !            16:     HAB habMsgBox;
        !            17:     HMQ hmqMsgBox;
        !            18: 
        !            19:     /* Initialize Anchor Block, Message Queue */
        !            20:     habMsgBox = WinInitialize(NULL);
        !            21:     hmqMsgBox = WinCreateMsgQueue(habMsgBox, 0);
        !            22: 
        !            23:     /* Summon the dialog box */
        !            24:     WinDlgBox(HWND_DESKTOP, NULL, MsgBoxDlgProc, NULL, IDD_MSGBOX, NULL);
        !            25: 
        !            26:     /* Clean up */
        !            27:     WinDestroyMsgQueue(hmqMsgBox);
        !            28:     WinTerminate(habMsgBox);
        !            29: }
        !            30: 
        !            31: /* Message box control routine */
        !            32: MRESULT CALLBACK MsgBoxDlgProc(hWnd, msg, mp1, mp2)
        !            33: HWND hWnd;
        !            34: USHORT msg;
        !            35: MPARAM mp1;
        !            36: MPARAM mp2;
        !            37: {
        !            38:     USHORT flStyle;
        !            39:     SHORT  rc;
        !            40: 
        !            41:     switch (msg) {
        !            42:     case WM_COMMAND:
        !            43:         switch (LOUSHORT(mp1)) {
        !            44:         case DID_OK:
        !            45:             WinDismissDlg(hWnd, TRUE);
        !            46:             break;
        !            47: 
        !            48:        case IDD_SHOWBOX: /* Show Box */
        !            49:            /* Buttons? */
        !            50:            rc = (SHORT) WinSendDlgItemMsg(hWnd, IDD_OK0,
        !            51:                    BM_QUERYCHECKINDEX, 0L, 0L);
        !            52:            flStyle = (rc > 0) ? (USHORT) rc : 0;
        !            53: 
        !            54:            /* Icon style? */
        !            55:            rc = (SHORT) WinSendDlgItemMsg(hWnd, IDD_ICON0,
        !            56:                    BM_QUERYCHECKINDEX, 0L, 0L);
        !            57:            if (rc > 0) flStyle = (flStyle & 0xff0f) | ((USHORT) rc << 4);
        !            58: 
        !            59:            /* Default style? */
        !            60:            rc = (SHORT) WinSendDlgItemMsg(hWnd, IDD_DEF0,
        !            61:                    BM_QUERYCHECKINDEX, 0L, 0L);
        !            62:            if (rc > 0) flStyle = (flStyle & 0xf0ff) | ((USHORT) rc << 8);
        !            63: 
        !            64:             /* Get modality */
        !            65:            if (WinSendDlgItemMsg(hWnd, IDD_SYSTEMMODAL, BM_QUERYCHECK, 0L, 0L))
        !            66:                 flStyle |= MB_SYSTEMMODAL;
        !            67: 
        !            68:             /* Get help button attribute */
        !            69:            if (WinSendDlgItemMsg(hWnd, IDD_HELP, BM_QUERYCHECK, 0L, 0L))
        !            70:                 flStyle |= MB_HELP;
        !            71: 
        !            72:            /* Display the Message Box Type */
        !            73:            WinSetDlgItemShort(hWnd, IDD_MSGBOXSTYLE, flStyle, FALSE);
        !            74: 
        !            75:            /* Pop up the message box */
        !            76:            rc = WinMessageBox(HWND_DESKTOP, hWnd,
        !            77:                     (PSZ)"Message Box Text Body\n(can contain several lines)",
        !            78:                     (PSZ)"This is the title bar", 1, flStyle);
        !            79: 
        !            80:            /* Update the return code box */
        !            81:            WinSetDlgItemShort(hWnd, IDD_RETURNCODE, rc, FALSE);
        !            82:             break;
        !            83: 
        !            84:         default:
        !            85:             break;
        !            86:         }
        !            87:         break;
        !            88: 
        !            89:     case WM_INITDLG: /* Push these three buttons */
        !            90:        WinSendDlgItemMsg(hWnd,  IDD_OK0, BM_SETCHECK, (MPARAM) TRUE, 0L);
        !            91:        WinSendDlgItemMsg(hWnd,IDD_ICON0, BM_SETCHECK, (MPARAM) TRUE, 0L);
        !            92:        WinSendDlgItemMsg(hWnd, IDD_DEF0, BM_SETCHECK, (MPARAM) TRUE, 0L);
        !            93:         break;
        !            94: 
        !            95:     default:
        !            96:         return(WinDefDlgProc(hWnd, msg, mp1, mp2));
        !            97:         break;
        !            98:     }
        !            99:     return 0L;
        !           100: }

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