www.pudn.com > DandD.zip > LeftTree.cpp

// LeftTree.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "DAD.h" 
#include "LeftTree.h" 
#include "MyObject1.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CLeftTree 
 
IMPLEMENT_DYNCREATE(CLeftTree, CTreeView) 
 
CLeftTree::CLeftTree() 
{ 
} 
 
CLeftTree::~CLeftTree() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CLeftTree, CTreeView) 
	//{{AFX_MSG_MAP(CLeftTree) 
	ON_WM_LBUTTONDOWN() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CLeftTree drawing 
 
void CLeftTree::OnDraw(CDC* pDC) 
{ 
	CDocument* pDoc = GetDocument(); 
	// TODO: add draw code here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CLeftTree diagnostics 
 
#ifdef _DEBUG 
void CLeftTree::AssertValid() const 
{ 
	CTreeView::AssertValid(); 
} 
 
void CLeftTree::Dump(CDumpContext& dc) const 
{ 
	CTreeView::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CLeftTree message handlers 
 
BOOL CLeftTree::PreCreateWindow(CREATESTRUCT& cs)  
{ 
	cs.style |= TVS_HASLINES | TVS_LINESATROOT | TVS_HASBUTTONS  ; 
	 
	return CTreeView::PreCreateWindow(cs); 
} 
 
void CLeftTree::OnInitialUpdate()  
{ 
	CTreeView::OnInitialUpdate(); 
	 
	HTREEITEM LastRoot; 
	HTREEITEM CurrentItem; 
 
	CTreeCtrl* Tree = &GetTreeCtrl(); 
 
	LastRoot = Tree->InsertItem( "Left Tree Item 1", TVI_ROOT, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 1-1", LastRoot, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 1-2", LastRoot, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 1-3", LastRoot, TVI_LAST ); 
 
	LastRoot = Tree->InsertItem( "Left Tree Item 2", TVI_ROOT, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 2-1", LastRoot, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 2-2", LastRoot, TVI_LAST ); 
	CurrentItem = Tree->InsertItem( "Left Tree subitem 2-3", LastRoot, TVI_LAST );	 
} 
 
void CLeftTree::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	CTreeView::OnLButtonDown(nFlags, point); 
	CMyObject1* MyObj= new CMyObject1(); 
 
	CTreeCtrl* Tree = &GetTreeCtrl(); 
	CString Text = Tree->GetItemText(Tree->GetSelectedItem( ) ); 
	MyObj->Data = Text; 
 
	RECT rClient; 
    GetClientRect(&rClient); 
 
	m_DropSource.StartDragging((DWORD)MyObj, &rClient, &point); 
 
}