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MultiSelect DragImage in CTreeCtrl

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21 Dec 2004CPOL1 min read 95.5K   4.9K   49  
This article describes how to create a multiselect drag image in CTreeCtrl.
// TreeDragDropDemoDlg.h : header file
//

#if !defined(AFX_TREEDRAGDROPDEMODLG_H__9953087E_623C_4FE8_B10D_F9D39A07189E__INCLUDED_)
#define AFX_TREEDRAGDROPDEMODLG_H__9953087E_623C_4FE8_B10D_F9D39A07189E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "DragDropTreeCtrl.h"
#include "DragEventListener.h"
/////////////////////////////////////////////////////////////////////////////
// CTreeDragDropDemoDlg dialog

class CTreeDragDropDemoDlg : public CDialog,CDragEventListener
{
private:
  	CImageList m_ImageList;
// Construction
public:
	CTreeDragDropDemoDlg(CWnd* pParent = NULL);	// standard constructor
  void OnDrag();
  void OnDragMove(POINT point);
  void OnDragRelease(POINT point,HTREEITEM hItem);

// Dialog Data
	//{{AFX_DATA(CTreeDragDropDemoDlg)
	enum { IDD = IDD_TREEDRAGDROPDEMO_DIALOG };
	CStatic	m_MsgLabel;
	CDragDropTreeCtrl	m_TreeDragDrop;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTreeDragDropDemoDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CTreeDragDropDemoDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TREEDRAGDROPDEMODLG_H__9953087E_623C_4FE8_B10D_F9D39A07189E__INCLUDED_)

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License

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


Written By
India India
A senior engineer who likes reading and coding Smile | :) . I can be reached at sudheeshps@gmail.com

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