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WTL CFileTreeCtrl class

, 22 Apr 2003
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Implements a tree control similar to the left hand side of Windows Explorer
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Sample Image - wtlfiletreectrl.jpg

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Credit and Acknowledgments

The original author of FileTree MFC control is PJ Naughter. This control and article can be found at


I needed a FileTree control to use in an ATL/WTL project and I decided to port MFC Control to WTL. The following ATL files contain the port:

  • FileFind.h/FileFind.cpp - Contain the CFileFind class and implementation for WTL which performs local file searches
  • WtlFileTreeCtrl.h/WtlFileTreeCtrl.cpp - Contain the CWtlFileTreeCtrl class and implementation for WTL

How to use the control in your WTL App:

  1. Create a WTL Project
  2. Design the dialog and add the Tree control
  3. Add the WtlFileTreeCtrl.h header file to your project
  4. Assign a CWtlFileTreeCtrl to your tree.
  5. In OnInitDialog(), subclass tree control (CWtlFileTreeCtrl) to ID using the SubclassWindow method.
  6. In your dialog, don't forget to add the macro REFLECT_NOTIFICATIONS which allows the CWtlFileTreeCtrl to get messages like TVN_ITEMEXPANDING.
#include <span class="code-string">"WtlFileTreeCtrl.h"


class CMainDlg : public CDialogImpl<CMainDlg>
     LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, 
         LPARAM /*lParam*/, BOOL& /*bHandled*/);
     CWtlFileTreeCtrl m_Tree;


LRESULT CMainDlg::OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, 
        LPARAM /*lParam*/, BOOL& /*bHandled*/) 

     m_Tree.SubclassWindow( ::GetDlgItem( m_hWnd, IDC_TREE1 ) );


You will require the WTL Libraries, these can be downloaded from the microsoft site.

Note - This control uses the STL std::string class and the STL std::vector template class.

Contacting the Author

Ilya Solnyshkin, E-mail:, Web:


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.

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About the Author

Ilya Solnyshkin
Web Developer
Canada Canada
No Biography provided

Comments and Discussions

GeneralBug: GDI object leak PinmemberLeon Oskam9-Aug-09 7:39 
Generalbug PinmemberDmitry AE15-Nov-07 23:04 
GeneralRe: bug Pinmembertoddma21-Sep-11 9:56 
GeneralRe: bug Pinmembertoddma23-Sep-11 2:27 
GeneralTo make it compile [modified] Pinmemberjsanjosem5-Mar-07 23:57 
Generalerror of link Pinmemberkayssar@lycos.com3-Apr-05 23:48 
GeneralRe: error of link PinmemberIlya Solnyshkin4-Apr-05 6:04 
Generalbugfix Pinmemberevbersen16-Dec-03 0:58 

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