CTreeCtrl SortChildrenCB 排序问题

v2nero 2012-12-24 12:05:35

写了个小测试程序，但怎么调试都不行，不请大神们帮忙看看我到底哪错了
头文件



// Test6Dlg.h : header file

//



#pragma once



#include <list>



typedef struct {

	HTREEITEM	hItem;

	bool		bOnline;

}_MyItemData;



typedef std::list<_MyItemData*> ItemDataList;



// CTest6Dlg dialog

class CTest6Dlg : public CDialogEx

{

// Construction

public:

	CTest6Dlg(CWnd* pParent = NULL);	// standard constructor



// Dialog Data

	enum { IDD = IDD_TEST6_DIALOG };



	protected:

	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support





// Implementation

protected:

	HICON m_hIcon;



	// Generated message map functions

	virtual BOOL OnInitDialog();

	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);

	afx_msg void OnPaint();

	afx_msg HCURSOR OnQueryDragIcon();

	DECLARE_MESSAGE_MAP()



public:

	afx_msg void OnBnClickedBtnSort();



	//int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);

	static int CALLBACK TreeCmpFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);



private:

	CTreeCtrl	m_Tree;

	ItemDataList	m_ItemDataList;

public:

	afx_msg void OnBnClickedBtnSortcb();

};



//static int CALLBACK TreeCmpFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);

CPP文件





// Test6Dlg.cpp : implementation file

//



#include "stdafx.h"

#include "Test6.h"

#include "Test6Dlg.h"

#include "afxdialogex.h"



#ifdef _DEBUG

#define new DEBUG_NEW

#endif





// CAboutDlg dialog used for App About



class CAboutDlg : public CDialogEx

{

public:

	CAboutDlg();



// Dialog Data

	enum { IDD = IDD_ABOUTBOX };



	protected:

	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support



// Implementation

protected:

	DECLARE_MESSAGE_MAP()

};



CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)

{

}



void CAboutDlg::DoDataExchange(CDataExchange* pDX)

{

	CDialogEx::DoDataExchange(pDX);

}



BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)

END_MESSAGE_MAP()





// CTest6Dlg dialog







CTest6Dlg::CTest6Dlg(CWnd* pParent /*=NULL*/)

	: CDialogEx(CTest6Dlg::IDD, pParent)

{

	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}



void CTest6Dlg::DoDataExchange(CDataExchange* pDX)

{

	CDialogEx::DoDataExchange(pDX);

	DDX_Control(pDX, IDC_TREE_TEST, m_Tree);

}



BEGIN_MESSAGE_MAP(CTest6Dlg, CDialogEx)

	ON_WM_SYSCOMMAND()

	ON_WM_PAINT()

	ON_WM_QUERYDRAGICON()

	ON_BN_CLICKED(IDC_BTN_SORT, &CTest6Dlg::OnBnClickedBtnSort)

	ON_BN_CLICKED(IDC_BTN_SORTCB, &CTest6Dlg::OnBnClickedBtnSortcb)

END_MESSAGE_MAP()





// CTest6Dlg message handlers



BOOL CTest6Dlg::OnInitDialog()

{

	CDialogEx::OnInitDialog();



	// Add "About..." menu item to system menu.



	// IDM_ABOUTBOX must be in the system command range.

	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);

	ASSERT(IDM_ABOUTBOX < 0xF000);



	CMenu* pSysMenu = GetSystemMenu(FALSE);

	if (pSysMenu != NULL)

	{

		BOOL bNameValid;

		CString strAboutMenu;

		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);

		ASSERT(bNameValid);

		if (!strAboutMenu.IsEmpty())

		{

			pSysMenu->AppendMenu(MF_SEPARATOR);

			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);

		}

	}



	// Set the icon for this dialog.  The framework does this automatically

	//  when the application's main window is not a dialog

	SetIcon(m_hIcon, TRUE);			// Set big icon

	SetIcon(m_hIcon, FALSE);		// Set small icon



	// TODO: Add extra initialization here





	_MyItemData *mItemData = new _MyItemData;

	mItemData->hItem = m_Tree.InsertItem(_T("2311"));

	mItemData->bOnline = true;

	m_ItemDataList.push_back(mItemData);

	m_Tree.SetItemData(mItemData->hItem,(DWORD_PTR)mItemData);







	mItemData = new _MyItemData;

	mItemData->hItem = m_Tree.InsertItem(_T("121"));

	mItemData->bOnline = true;

	m_ItemDataList.push_back(mItemData);

	m_Tree.SetItemData(mItemData->hItem,(DWORD_PTR)mItemData);



	mItemData = new _MyItemData;

	mItemData->hItem = m_Tree.InsertItem(_T("1234"));

	mItemData->bOnline = false;

	m_ItemDataList.push_back(mItemData);

	m_Tree.SetItemData(mItemData->hItem,(DWORD_PTR)mItemData);



	mItemData = new _MyItemData;

	mItemData->hItem = m_Tree.InsertItem(_T("1111"));

	mItemData->bOnline = false;

	m_ItemDataList.push_back(mItemData);

	m_Tree.SetItemData(mItemData->hItem,(DWORD_PTR)mItemData);



	CString str1 = m_Tree.GetItemText(mItemData->hItem);



	return TRUE;  // return TRUE  unless you set the focus to a control

}



void CTest6Dlg::OnSysCommand(UINT nID, LPARAM lParam)

{

	if ((nID & 0xFFF0) == IDM_ABOUTBOX)

	{

		CAboutDlg dlgAbout;

		dlgAbout.DoModal();

	}

	else

	{

		CDialogEx::OnSysCommand(nID, lParam);

	}

}



// If you add a minimize button to your dialog, you will need the code below

//  to draw the icon.  For MFC applications using the document/view model,

//  this is automatically done for you by the framework.



void CTest6Dlg::OnPaint()

{

	if (IsIconic())

	{

		CPaintDC dc(this); // device context for painting



		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);



		// Center icon in client rectangle

		int cxIcon = GetSystemMetrics(SM_CXICON);

		int cyIcon = GetSystemMetrics(SM_CYICON);

		CRect rect;

		GetClientRect(&rect);

		int x = (rect.Width() - cxIcon + 1) / 2;

		int y = (rect.Height() - cyIcon + 1) / 2;



		// Draw the icon

		dc.DrawIcon(x, y, m_hIcon);

	}

	else

	{

		CDialogEx::OnPaint();

	}

}



// The system calls this function to obtain the cursor to display while the user drags

//  the minimized window.

HCURSOR CTest6Dlg::OnQueryDragIcon()

{

	return static_cast<HCURSOR>(m_hIcon);

}







void CTest6Dlg::OnBnClickedBtnSort()

{

	// TODO: Add your control notification handler code here

	m_Tree.SortChildren(NULL);



	//

}



int CALLBACK CTest6Dlg::TreeCmpFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)

{

	CTreeCtrl *pTree = (CTreeCtrl*)lParamSort;

	/*

	HTREEITEM hItem1 = (HTREEITEM)lParam1;

	HTREEITEM hItem2 = (HTREEITEM)lParam2;

	_MyItemData *pItemData1 = (_MyItemData*)pTree->GetItemData(hItem1);

	_MyItemData *pItemData2 = (_MyItemData*)pTree->GetItemData(hItem2);

	if (pItemData1->bOnline != pItemData2->bOnline) {

		return pItemData1->bOnline?1:-1;

	}*/

	CString cstr1 = pTree->GetItemText((HTREEITEM)lParam1);

	CString cstr2 = pTree->GetItemText((HTREEITEM)lParam2);



	return wcscmp(cstr1,cstr2);

}



void CTest6Dlg::OnBnClickedBtnSortcb()

{

	// TODO: Add your control notification handler code here

	TVSORTCB	tvs;

	tvs.hParent = TVI_ROOT;

	tvs.lParam = (LPARAM)&m_Tree;

	tvs.lpfnCompare = TreeCmpFunc;

	m_Tree.SortChildrenCB(&tvs);

}