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A Multi Column ComboBox

, 30 Nov 1999
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A multicolumn, customizable, editable combobox
  • Download demo project - 22 Kb
  • Download demo files - 6 Kb

    Do you want:

    • a multicolumn  combobox?
    • a title for each column?
    • to control the text color in a disabled combobox control?
    • to show/edit "description" in the edit control of combobox and get "id" instead?
    • to sort items in combobox as normal?

    If all your answers are yes, you can use my class CMultiColumnComboBox used in my project. It is a owner-draw combo box class, derived from class CComboBox, but it's very easy to use. As shown above, it's works exactly like a normal combo box. No matter how many columns a combo box has, you do not need to modify the class. You can set a column to be shown and get text from BoundColumn, even a combo box is "drop down" one or "simple" one. When you key in chars in the edit box of "drop down" or "simple" combo box, items are searched in ShowColumn, not BoundColumn, but the result is in BoundColumn. If you do not like gray color text in your combo box when it's disabled, you can change its color.

    How to use this control

    1. Put an Ownerdraw ComboBox in your resource dialog, copy  MultiColumnCpmboBox.cpp and MultiColumnComboBox.h to the directory of your workspace or project, and insert follow line at top of  your CPP file.
          #include MultiColumnComboBox.h
      
    2. Add new member variables dialog class.
          DDX_Control(pDX, IDC_COMBO1, m_ComboBoxControl1);
          DDX_CBString(pDX, IDC_COMBO1, m_ComboBoxString1);
      
    3. In message map function OnInitDialog, use FormaComboBox to set m_TotalColumn, m_BoundColumnn and m_ShowColumn, this function must be called before other function called.
          m_ComboBoxControl2.FormatComboBox(2, 0, 1);
      
    4. Then, use SetColumnWidth to set m_ColumnWidth for each column, use SetColumnAlignStyle to set m_ColumnAlignStyle for each column. If default value DT_LEFT is used, skip it. Use SetColumnTitle to set title for each column. If you do not want title, skip it.
          m_ComboBoxControl2.SetColumnWidth(150, 0);
          m_ComboBoxControl2.SetColumnAlignStyle(DT_LEFT, DT_CENTER);
          m_ComboBoxControl1.SetColumnTitle("ID", "DESCRIPTION");
      
    5. Use CMultiColumnComboBox::AddRow instead of CComboBox::AddString to add a row to the list box of a combo box.
          m_ComboBoxControl2.AddRow(ColumnString1, ColumnString0);
          m_ComboBoxControl4.AddRow(ColumnString0, ColumnString1, 
              ColumnString2, ColumnString3);
      
    6. As you see, now you can use it as a normal combo box.

    Notes:

    Function SetColumnWidth, SetColumnAlignStyle and AddRow can be called with a variable number of arguments. You can modify AddRow to works as Printf.
    If you need more help, free feel to ask me.

  • License

    This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

    A list of licenses authors might use can be found here

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    About the Author

    Xiao Wu Guang

    United States United States
    No Biography provided

    Comments and Discussions

     
    GeneralDropdown error,help,help, Pinmemberice_beauty19-Jun-09 23:18 
    GeneralOnGetText incorrect return value PinmemberBobMiller10-Mar-09 18:24 
    Generalvs 2005 PinmemberDexteR Jenkins21-Jun-08 5:24 
    Answercrashes and similar Pinmembergbjbaanb11-Dec-07 23:49 
    QuestionQuestion (Virtual List for more than 32736 items) ? Pinmemberana_v12325-Nov-06 10:22 
    Nice control. Thanks for sharing.
     
    I have one question.
    To show more than 32736 items (beyond limit of MFC CComboBox), I need to show CListCtrl as Virtual List and to hide inbuilt-listbox of ComboBox.
     
    Any idea how to do that ?
     
    Thanks
    Ana
    Questionhow create multiline combobox PinmemberKondriSergey7-Feb-05 2:33 
    GeneralComboBox PinmemberAsha Rams1-Aug-04 23:09 
    GeneralFix for Windows XP and 2000 PinsussAnonymous14-Jul-04 9:11 
    GeneralRe: Fix for Windows XP and 2000 PinsussAnonymous10-Mar-05 13:25 
    Generalhelp needed Pinmemberspidey82011-Feb-04 19:40 
    GeneralDII PinmemberMarquis.D.J6-Nov-03 20:08 
    Generalnew version please ! PinmemberWiktor125-Sep-03 9:52 
    GeneralWindows 2000 and XP fix information PinmemberJohn Fisher2-Sep-03 12:40 
    GeneralRe: Windows 2000 and XP fix information Pinmemberctchen25-Sep-03 1:00 
    GeneralRe: Windows 2000 and XP fix information PinmemberJohn Fisher25-Sep-03 3:00 
    GeneralRe: Windows 2000 and XP fix information Pinmemberbradsmithatuw10-Oct-03 3:43 
    GeneralOnly 1 column PinmemberKrzyzak_72-Jun-03 2:36 
    Generala new version, please ! PinsussCynicannibal1-Apr-03 4:38 
    Generalmulticolumn comboBox Pinsussxrhstos pappas18-Mar-03 0:27 
    GeneralMulti column combo box Pinmemberm12215-Mar-03 23:35 
    GeneralRe: Multi column combo box Pinsusskondriksergey16-Mar-03 22:22 
    GeneralWARNING regarding XP PinmemberEarl Allen29-Nov-02 20:19 
    GeneralFor Windows2000 with VC6 SP5 PinmemberHiromitsu Hotta23-Sep-02 17:57 
    GeneralRe: For Windows2000 with VC6 SP5 Pinmemberheng098728-Jul-03 11:18 
    GeneralRe: For Windows2000 with VC6 SP5 Pinmemberice_beauty19-Jun-09 23:52 
    GeneralNeed help: XP Visual Styles Problem PinsussKevin J22-Sep-02 17:49 
    GeneralRe: XP Visual Styles Problem Pinmemberlittlesome3-Jul-07 2:11 
    GeneralResizing PinsussAcreff18-Aug-02 1:56 
    Generalchange column width PinsussDieter Hammer11-Jul-02 4:54 
    GeneralOnly one column and no titles shown PinmemberRobert60218-Jun-02 10:50 
    GeneralRe: Only one column and no titles shown PinmemberPatrickM4-Aug-02 7:44 
    QuestionHow do we add double click? Pinmembermstr7-Jun-02 11:37 
    GeneralDoes No Even Compile PinmemberAnonymous1-Apr-02 19:26 
    GeneralRe: Does No Even Compile Pinmembertejfel2-May-02 0:44 
    GeneralRe: Does No Even Compile PinmemberWREY11-Sep-02 14:17 
    GeneralRe: Does No Even Compile PinmemberNewHSKid11-Oct-04 8:42 
    GeneralDrop down window no longer moves left when cut-off on the right PinmemberJason Good21-Mar-02 8:11 
    GeneralXP Items doesn´t appear the first time PinmemberBraulio Díez31-Jan-02 1:04 
    GeneralWinCE PinmemberFloppe29-Jan-02 22:50 
    GeneralDisabled Control PinmemberChris Meech3-Jan-02 9:39 
    GeneralUpdateData(FALSE) have a problem PinmemberRicky Wang7-Dec-01 21:22 
    GeneralUnhandled Exception in MFC42D.DLL PinmemberDenny19-Nov-01 12:34 
    GeneralRe: Unhandled Exception in MFC42D.DLL PinsussAnonymous4-Aug-02 14:09 
    GeneralRe: Unhandled Exception in MFC42D.DLL PinsussAnonymous4-Aug-02 14:10 
    Generaldeletion of a row Pinmemberjithu23-Oct-01 22:46 
    Generalhttp://www.exontrol.com/sg.jsp?content=products/excombobox PinmemberAnonymous12-Oct-01 9:34 
    GeneralRe: http://www.exontrol.com/sg.jsp?content=products/excombobox PinmemberBraulio Díez31-Jan-02 0:59 
    QuestionMay Header Control Styles change to flat? Pinmemberwadehan24-Sep-01 0:11 
    GeneralDDX_CBString Cannot always get the edit text Pinmemberpzlee22-Jul-01 22:50 
    GeneralNon unique column lists PinmemberChris Meech20-Jul-01 10:59 

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