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SelectDialog - A Multiple File and Folder Select Dialog

By , 26 Dec 2008
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SelectDlg.jpg

Introduction

What's a Problem?

It has probably happened that you need a dialog like CFileDialog (MFC) that allows you to select some items together. I do not mean multi select file feature but multi select files and folders.

If you search MSDN and the internet for libraries which do that for you, maybe the best things you would find are CFileDialog for selecting single or multiple files and SHBrowseForFolder API for selecting a single folder.
So the problem is that you need a utility that makes it possible to select every browsable thing.

What Should We Do To Overcome the Problem?

If you want to have a single class using it you can select a file or a folder or some files or some folders or a mixture of them. I searched for such a utility but found nothing. So I decided to provide it and the best solution that I found was changing CFileDialog to do what I need.

Solution

CSelectDialog is a class that is inherited from CFileDialog and makes it possible for you to browse your computer or network and select a mixture of files and folders. For my convenience (as implementer) and user, I add a member of type CStringArray to the class to keep selected items after dialog returns IDOK.

Difference of CSelectDialog and CFileDialog

  1. Their user interface has some differences (You can see it in sample image in Vista.)
  2. OnInitDone, OnFolderChange, OnFileNameOK and WndProc functions of CFileDialog are overridden in CSelectDialog.

Using the Code

Use of CSelectDialog is similar to CFileDialog. Simply define a variable of type CSelectDialog and DoModal it. After user clicks the OK button, you can access the full path of selected items via m_lstSelectedItems member. A code snippet that does this work is shown below:

    CSelectDialog ofd(TRUE, _T("*.*"), NULL,
            OFN_HIDEREADONLY | OFN_ALLOWMULTISELECT,
            _T("All files and folders(*.*)|*.*||") );

    if( ofd.DoModal() != IDOK )
        return;

    for( int i=0; i<ofd.m_SelectedItemList.GetCount(); i++ )
        m_lstSelectedItems.AddString( ofd.m_SelectedItemList[i] );

Some Notes

  1. If you want to disable multi select, you should make a change in CSelectDialog constructor.

  2. If you want to hide a combobox and its label below select dialog, you should uncomment 2 lines below in OnInitDone function:

        ...
        //HideControl(cmb13);
        //HideControl(stc3);
        ...
  3. For prevention of exception in XP SP3, you should comment all lines containing cmb13 in OnInitDone function.

Points of Interest

When I searched the Internet, nobody provided such a browse dialog with this feature.

History

  • Version 1.0 July 2008: First version of SelectDialog

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Hojjat Bohlooli
Other
Iran (Islamic Republic Of) Iran (Islamic Republic Of)
حجت اله بهلولی
متولد 18 بهمن 1360 اصفهان
مدرک کارشناسی ارشد مهندسی کامپیوتر - نرم افزار
 
Hojjat Bohlooli
I was born in 7 Feb 1982, Isfahan Iran
Bachelor of science in Computer Science from Yazd university
Master of science in Software Engineering from university of Isfahan

Comments and Discussions

 
GeneralWhy is the last selected file stored at address zero (in the m_lstSelectedItems[0] ) Pinmemberjtchangvit10-Nov-09 3:53 
GeneralRe: Why is the last selected file stored at address zero (in the m_lstSelectedItems[0] ) PinmemberHojjat Bohlooli12-Nov-09 4:02 
GeneralRe: Why is the last selected file stored at address zero (in the m_lstSelectedItems[0] ) PinmemberHojjat Bohlooli15-Nov-09 2:01 
GeneralBug with hidden file extensions Pinmemberpaste20009-Apr-09 2:07 
GeneralVS2008 and Vista Pinmemberpavritch12-Jan-09 19:48 
GeneralRe: VS2008 and Vista PinmemberNagender2-May-09 2:30 
GeneralRe: VS2008 and Vista Pinmembermark gooding18-Sep-09 0:34 
AnswerRe: VS2008 and Vista PinmemberMiguelit011-Aug-10 14:45 
GeneralMy vote of 1 PinmemberRob Graham26-Dec-08 8:49 
GeneralRe: My vote of 1 PinmemberJohannes P. Hansen30-Jun-09 22:13 
GeneralRe: My vote of 1 PinmemberHojjat Bohlooli1-Jul-09 2:51 
GeneralRe: My vote of 1 PinmemberJohannes P. Hansen2-Jul-09 2:01 
GeneralRe: My vote of 1 PinmemberHojjat Bohlooli2-Jul-09 2:59 
GeneralRe: My vote of 1 PinmemberJohannes P. Hansen2-Jul-09 3:21 
GeneralRe: My vote of 1 PinmemberHojjat Bohlooli3-Jul-09 8:08 

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