Using Win32 functions in Visual FoxPro Image Gallery
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Placing On-screen Alert on top of all windows
Using Extended MessageBox() Class

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More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
Before you begin:

There is more advanced version of this code.
Click to open the Extended MessageBox Library (FLL) web page.

* * *
The source code for the class: Extended MessageBox() Class.

For all VFP versions this class extends regular MessageBox() function with:
- dialog timeout interval
- adjustable button captions
- dialog window positioning on start


MessageBox() with changed button captions:


MessageBox() with timeout:


See also:
#DEFINE IDYES  6
#DEFINE IDNO   7

DO demo1
DO demo2

PROCEDURE demo1
    IF VARTYPE(_screen.msgboxtimer) <> "U"
        _SCREEN.RemoveObject("msgboxtimer")
    ENDIF
    _SCREEN.AddObject("msgboxtimer", "Tmsgbox")

    WITH _SCREEN.msgboxtimer
        .X=100
        .Y=100
        .captions[6] = "I like it"
        .captions[7] = "Not really"
        .captions[2] = "Dont care"
        ? .MsgBox("How do you like extended MessageBox?   ",;
            32+3, "MessageBox")
    ENDWITH

PROCEDURE demo2
    IF VARTYPE(_screen.msgboxtimer) <> "U"
        _SCREEN.RemoveObject("msgboxtimer")
    ENDIF
    _SCREEN.AddObject("msgboxtimer", "Tmsgbox")

    WITH _SCREEN.msgboxtimer
        ? .MsgBox("Press either  or  within 5 seconds.     ",;
            32+4, "MessageBox with timeout", 5000, IDNO)
    ENDWITH



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752 bytes  
Created: 2003-10-17 13:48:15  
Modified: 2011-12-10 09:20:22  
Visits in 7 days: 97  
Listed functions:
Printer friendly API declarations
My comment:
Even better MessageBox customization can be achieved by creating an external library (ActiveX, DLL or FLL) and calling it from VFP application.
Download MsgBox FLL
The background color, the message text font & color, button fonts and captions, not to mention other customizable parameters, can be controlled by the calling application.

* * *
This is a wrapper for the class created by Ray Roper:

*===================================================
* Function...: XMessageBox
* Author.....: Ray Roper
* Date.......: January 13, 2006
* Notice.....: Copyright (c) , NovaSoft Solutions
* ...........: All Rights Reserved.
* Abstract...: Extended MessageBox function wrapper
* Called From: Anywhere
* Parameters :
*        tcMsg = Message displayed
*        tnType = dialog type; as in MB_ICONQUESTION + MB_YESNO
*        tcTitle = dialog title
*        tnTimeOut = time out in milliseconds
*        tnDefault = default button ID, (as in IDNO = 7;
*        not same as MESSAGEBOX)
*        taCaps = array of button captions by button type ID:
*        #DEFINE IDOK 1 && OK button caption array index
*        #DEFINE IDCANCEL 2 && Cancel button caption array index
*        #DEFINE IDABORT 3 && Abort button caption array index
*        #DEFINE IDRETRY 4 && Retry button caption array index
*        #DEFINE IDIGNORE 5 && Ignore button caption array index
*        #DEFINE IDYES 6 && Yes button caption array index
*        #DEFINE IDNO 7 && No button caption array index
*        tnX = X coordinate of dialog _screen postion in pixels;
*        if zero defaults to center
*        tnY = Y coordinate of dialog _screen postion in pixels;
*        if zero defaults to center
*===================================================
*
FUNCTION XMessageBox
*
*- MsgBox(cMsg, nType, cTitle, nTimeout, nDefault)
LPARAMETERS tcMsg,tnType,tcTitle,;
        tnTimeOut,tnDefault,taCaps,tnX,tnY
*
EXTERNAL ARRAY taCaps
*
LOCAL ;
        lnReturn,;
        lnCap
*
IF VARTYPE(_screen.msgboxtimer) <> "U"
        _screen.RemoveObject("msgboxtimer")
ENDIF

_screen.AddObject("msgboxtimer","Tmsgbox")

WITH _screen.msgboxtimer
        .X = IIF(!EMPTY(tnX),tnX,0)
        .Y = IIF(!EMPTY(tnY),tnY,0)
        
        FOR lnCap = 1 TO 7
                .captions[lnCap] = taCaps[lnCap]
        ENDFOR
        
        lnReturn = .MsgBox(tcMsg,tnType,tcTitle,;
                tnTimeOut,tnDefault)
ENDWITH

RETURN lnReturn
*
*====================================================
* End: XMessageBox
*====================================================
*
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