Using the CComboBox Control

Wolfram Steinke

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23 Mar 2001

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An entry level tutorial on using the CComboBox control

combobox_tut_demo.zip
- ComboBoxTutorial
  - ComboBoxTutorial.aps
  - ComboBoxTutorial.clw
  - ComboBoxTutorial.cpp
  - ComboBoxTutorial.dsp
  - ComboBoxTutorial.dsw
  - ComboBoxTutorial.h
  - ComboBoxTutorial.ncb
  - ComboBoxTutorial.opt
  - ComboBoxTutorial.plg
  - ComboBoxTutorial.rc
  - ComboBoxTutorialDlg.cpp
  - ComboBoxTutorialDlg.h
  - Debug
    - ComboBoxTutorial.exe
  - ReadMe.txt
  - res
    - ComboBoxTutorial.ico
    - ComboBoxTutorial.rc2
  - resource.h
  - StdAfx.cpp
  - StdAfx.h

//Microsoft Developer Studio generated resource script.
//
#include "resource.h"

#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "afxres.h"

/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS

/////////////////////////////////////////////////////////////////////////////
// English (U.S.) resources

#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
#pragma code_page(1252)
#endif //_WIN32

/////////////////////////////////////////////////////////////////////////////
//
// Dialog
//

IDD_ABOUTBOX DIALOG DISCARDABLE  0, 0, 235, 55
STYLE DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "About ComboBoxTutorial"
FONT 8, "MS Sans Serif"
BEGIN
    ICON            IDR_MAINFRAME,IDC_STATIC,11,17,20,20
    LTEXT           "ComboBoxTutorial Version 1.0",IDC_STATIC,40,10,119,8,
                    SS_NOPREFIX
    LTEXT           "Copyright (C) 2000",IDC_STATIC,40,25,119,8
    DEFPUSHBUTTON   "OK",IDOK,178,7,50,14,WS_GROUP
END

IDD_COMBOBOXTUTORIAL_DIALOG DIALOGEX 0, 0, 285, 122
STYLE DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
EXSTYLE WS_EX_APPWINDOW
CAPTION "ComboBoxTutorial"
FONT 8, "MS Sans Serif"
BEGIN
    PUSHBUTTON      "Exit",IDCANCEL,228,101,50,14
    COMBOBOX        IDC_COMBO1,7,7,100,50,CBS_DROPDOWN | CBS_SORT | 
                    WS_VSCROLL | WS_TABSTOP
    COMBOBOX        IDC_COMBO2,7,28,100,48,CBS_DROPDOWNLIST | WS_VSCROLL | 
                    WS_TABSTOP
    COMBOBOX        IDC_COMBO3,7,51,100,64,CBS_SIMPLE | CBS_AUTOHSCROLL | 
                    CBS_SORT | WS_VSCROLL | WS_TABSTOP
    LTEXT           "Drop Down",IDC_STATIC,109,9,45,8
    LTEXT           "Drop List",IDC_STATIC,109,31,47,8
    LTEXT           "Simple",IDC_STATIC,109,53,45,8
    CONTROL         "&Insert Long Text Item",IDC_CHECK1,"Button",
                    BS_AUTOCHECKBOX | WS_TABSTOP,161,32,83,10
    CONTROL         "&Load Simple list",IDC_CHECK2,"Button",BS_AUTOCHECKBOX | 
                    WS_TABSTOP,161,52,65,10
    CONTROL         "&New List with Added Data Items",IDC_CHECK3,"Button",
                    BS_AUTOCHECKBOX | WS_TABSTOP,161,12,117,10
    PUSHBUTTON      "&Select Index 2 on All",IDC_BUTTON1,162,70,116,14
END


#ifndef _MAC
/////////////////////////////////////////////////////////////////////////////
//
// Version
//

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 1,0,0,1
 PRODUCTVERSION 1,0,0,1
 FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
 FILEFLAGS 0x1L
#else
 FILEFLAGS 0x0L
#endif
 FILEOS 0x4L
 FILETYPE 0x1L
 FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904B0"
        BEGIN
            VALUE "CompanyName", "\0"
            VALUE "FileDescription", "ComboBoxTutorial MFC Application\0"
            VALUE "FileVersion", "1, 0, 0, 1\0"
            VALUE "InternalName", "ComboBoxTutorial\0"
            VALUE "LegalCopyright", "Copyright (C) 2000\0"
            VALUE "LegalTrademarks", "\0"
            VALUE "OriginalFilename", "ComboBoxTutorial.EXE\0"
            VALUE "ProductName", "ComboBoxTutorial Application\0"
            VALUE "ProductVersion", "1, 0, 0, 1\0"
        END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 1200
    END
END

#endif    // !_MAC


/////////////////////////////////////////////////////////////////////////////
//
// DESIGNINFO
//

#ifdef APSTUDIO_INVOKED
GUIDELINES DESIGNINFO DISCARDABLE 
BEGIN
    IDD_ABOUTBOX, DIALOG
    BEGIN
        LEFTMARGIN, 7
        RIGHTMARGIN, 228
        TOPMARGIN, 7
        BOTTOMMARGIN, 48
    END

    IDD_COMBOBOXTUTORIAL_DIALOG, DIALOG
    BEGIN
        LEFTMARGIN, 7
        RIGHTMARGIN, 278
        TOPMARGIN, 7
        BOTTOMMARGIN, 115
    END
END
#endif    // APSTUDIO_INVOKED


/////////////////////////////////////////////////////////////////////////////
//
// Dialog Info
//

IDD_COMBOBOXTUTORIAL_DIALOG DLGINIT
BEGIN
    IDC_COMBO2, 0x403, 11, 0
0x7331, 0x2074, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO2, 0x403, 11, 0
0x6e32, 0x2064, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO2, 0x403, 11, 0
0x7233, 0x2064, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO2, 0x403, 11, 0
0x7434, 0x2068, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO2, 0x403, 11, 0
0x7435, 0x2068, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO3, 0x403, 11, 0
0x7331, 0x2074, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO3, 0x403, 11, 0
0x6e32, 0x2064, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO3, 0x403, 11, 0
0x7233, 0x2064, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO3, 0x403, 11, 0
0x7434, 0x2068, 0x704f, 0x6974, 0x6e6f, "\000" 
    IDC_COMBO3, 0x403, 11, 0
0x7435, 0x2068, 0x704f, 0x6974, 0x6e6f, "\000" 
    0
END


/////////////////////////////////////////////////////////////////////////////
//
// String Table
//

STRINGTABLE DISCARDABLE 
BEGIN
    IDS_ABOUTBOX            "&About ComboBoxTutorial..."
    IDS_STRING102           "1st String Resource"
    IDS_STRING103           "2nd String Resource"
    IDS_STRING104           "3rd String Resource"
    IDS_STRING105           "4th String Resource"
    IDS_STRING106           "5th String Resource"
    IDS_STRING107           "6th String Resource"
    IDS_STRING108           "This is a long string to use for the demo."
    IDS_STRING109           "Red|0x000000FF"
    IDS_STRING110           "Blue|0x00FF0000"
    IDS_STRING111           "Green|0x0000FF00"
END

STRINGTABLE DISCARDABLE 
BEGIN
    IDS_STRING112           "White|0x00FFFFFF"
    IDS_STRING113           "Black|0x00000000"
    IDS_STRING114           "Grey|0x00808080"
    IDS_STRING115           "Yellow|0x0000FFFF"
END

#endif    // English (U.S.) resources
/////////////////////////////////////////////////////////////////////////////


/////////////////////////////////////////////////////////////////////////////
// English (Australia) resources

#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENA)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_AUS
#pragma code_page(1252)
#endif //_WIN32

#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//

1 TEXTINCLUDE DISCARDABLE 
BEGIN
    "resource.h\0"
END

2 TEXTINCLUDE DISCARDABLE 
BEGIN
    "#include ""afxres.h""\r\n"
    "\0"
END

3 TEXTINCLUDE DISCARDABLE 
BEGIN
    "#define _AFX_NO_SPLITTER_RESOURCES\r\n"
    "#define _AFX_NO_OLE_RESOURCES\r\n"
    "#define _AFX_NO_TRACKER_RESOURCES\r\n"
    "#define _AFX_NO_PROPERTY_RESOURCES\r\n"
    "\r\n"
    "#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)\r\n"
    "#ifdef _WIN32\r\n"
    "LANGUAGE 9, 1\r\n"
    "#pragma code_page(1252)\r\n"
    "#endif //_WIN32\r\n"
    "#include ""res\\ComboBoxTutorial.rc2""  // non-Microsoft Visual C++ edited resources\r\n"
    "#include ""afxres.rc""         // Standard components\r\n"
    "#endif\r\n"
    "\0"
END

#endif    // APSTUDIO_INVOKED


/////////////////////////////////////////////////////////////////////////////
//
// Icon
//

// Icon with lowest ID value placed first to ensure application icon
// remains consistent on all systems.
IDR_MAINFRAME           ICON    DISCARDABLE     "res\\ComboBoxTutorial.ico"
#endif    // English (Australia) resources
/////////////////////////////////////////////////////////////////////////////



#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
#define _AFX_NO_SPLITTER_RESOURCES
#define _AFX_NO_OLE_RESOURCES
#define _AFX_NO_TRACKER_RESOURCES
#define _AFX_NO_PROPERTY_RESOURCES

#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE 9, 1
#pragma code_page(1252)
#endif //_WIN32
#include "res\ComboBoxTutorial.rc2"  // non-Microsoft Visual C++ edited resources
#include "afxres.rc"         // Standard components
#endif

/////////////////////////////////////////////////////////////////////////////
#endif    // not APSTUDIO_INVOKED

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Written By

Wolfram Steinke

Engineer Retired

Australia

Started working with computers when I/O was with punched paper tape, using Algol. Then learned Fortran, Basic, various Assemblers, Forth and Postscript. Built a robot in the early '80s. When I finally got a PC I learned C, C++ and more recently worked on a variety of .NET and PHP projects. Senior Software Engineer at MedTech Global in Melbourne, Australia.

Using the CComboBox Control

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