2.1.27.21 MessageBox

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 Header to Include
9 Reference

Description

Open a Windows message box.

Syntax

int MessageBox( HWND hWnd, LPCSTR lpText, LPCSTR lpCaption = NULL, UINT uType = MB_OK )

Parameters

hWnd: [input]Handle of parent window
lpText: [input] Text of the message to be displayed
lpCaption: [input]Title of the message box, default is NULL
uType: [input]Constants describing the characteristics of the message box. One constant from each group below; can be combined using the bitwise OR operator "|", default is MB_OK; Buttons on message box: MB_OK, MB_OKCANCEL, MB_ABORTRETRYIGNORE, MB_YESNOCANCEL, MB_YESNO,; MB_RETRYCANCEL; Icon on message box: MB_ICONHAND, MB_ICONQUESTION, MB_ICONEXCLAMATION, MB_ICONASTERISK,; MB_ICONINFORMATION, MB_ICONSTOP; Default button of message box: MB_DEFBUTTON1, MB_DEFBUTTON2, MB_DEFBUTTON3; Modality of message box: MB_APPLMODAL, MB_SYSTEMMODAL, MB_TASKMODAL; Mask of message box: MB_TYPEMASK, MB_ICONMASK, MB_DEFMASK, MB_MODEMASK, MB_MISCMASK

Return

Returns one of the following integer constants depending on which button is clicked: IDOK=1,

IDCANCEL=2, IDABORT=3, IDRETRY=4, IDIGNORE=5, IDYES=6, IDNO=7, IDCLOSE=8, IDHELP=9

Examples

EX1

int    MessageBox_ex1()
{
    if( MessageBox( GetWindow(), "Undo not available. Do you want to continue?", "Warning!" , MB_YESNO | MB_ICONQUESTION | MB_DEFBUTTON2 ) == IDNO )
    {
        out_str("\"No\" was clicked.");
        return 0;
    }
    out_str("\"Yes\" was clicked.");
    return 1;
}