MFC框架程序实现十二

void CMFCTreeDlg::InitTreeCtrl()
{
    //设置控件的图标列表
    m_ilNormal.Create(IDB_NORMAL,16,1,RGB(0,0,0));
 m_wndTree.SetImageList(&m_ilNormal,TVSIL_NORMAL);
 /*
 //添加测试数据
 HTREEITEM hRoot=m_wndTree.InsertItem("北京市",0,2);
 HTREEITEM hCY=m_wndTree.InsertItem("朝阳区",1,3,hRoot);
 HTREEITEM hHD=m_wndTree.InsertItem("海淀区",1,3,hRoot);
 HTREEITEM hDC=m_wndTree.InsertItem("东城区",1,3,hRoot);
 */
    //设置数据项的高度
 m_wndTree.SetItemHeight(25);
 //插入根目录
 HTREEITEM hRoot=m_wndTree.InsertItem("C:\\",0,2);
 ShowData("C:",hRoot);
 //在根节点展开
 m_wndTree.Expand(hRoot,TVE_EXPAND);
} 

void CMFCTreeDlg::ShowData(CString strPath, HTREEITEM hParent)
{
   //防止重复添加
   if (m_wndTree.ItemHasChildren(hParent))
   {
    return;
   }
 
 
   CFileFind find;
   BOOL bRet=find.FindFile(strPath+"\\*.*");
   while(bRet)
   {
    HTREEITEM hItem;//插入节点的节点句柄
    bRet=find.FindNextFile();
    CString strName=find.GetFileName();
    if (!find.IsDots())
    {
     if (find.IsDirectory())
     {
              hItem=m_wndTree.InsertItem(strName,0,2,
      hParent);
     }
     else
     {
      hItem=m_wndTree.InsertItem(strName,1,3,
             hParent);
     }
     //保存路径
     CString *pPath=new CString;
     *pPath=find.GetFilePath();
     m_wndTree.SetItemData(hItem,(DWORD)pPath);
    }
   }
   find.Close();
}

void CMFCTreeDlg::OnDblclkTree1(NMHDR* pNMHDR, LRESULT* pResult)
{
 //获取双击时选择的数据项
    LPNMITEMACTIVATE pNMItem=(LPNMITEMACTIVATE)pNMHDR;
 int nSel=pNMItem->iItem;
 if (-1!=nSel)
 {
  CString *pPath=(CString*)
   m_wndList.GetItemData(nSel);
  //MessageBox(*pPath);
  ShowData(*pPath);
 }
 *pResult = 0;
}
class CMyDlg : public CDialog
{
public:
 CMyDlg(CWnd* pParent = NULL);   // standard constructor

 enum { IDD = IDD_DIALOG1 };
 protected:
 virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
protected:
 DECLARE_MESSAGE_MAP()
};

 HTREEITEM hCurItem=m_wndTree.GetSelectedItem();
 CString* pPath=(CString*)
  m_wndTree.GetItemData(hCurItem);
 ShowData(*pPath,hCurItem);
 *pResult = 0;
}

//线程函数
UINT WorkerThreadProc(LPVOID lParam)
{
   CMFCThreadDlg *pDlg=(CMFCThreadDlg *)lParam;
   for (int i=0;i<10;i++)
   {
    pDlg->m_wndList.AddString("Hello worker");
       Sleep(100);
   }
   return 0;

}
void CMFCThreadDlg::OnWorker()
{
 AfxBeginThread(WorkerThreadProc,this);
}
#include "MyThread.h"
void CMFCThreadDlg::OnUi()
{
 AfxBeginThread(RUNTIME_CLASS(CMyThread));
}

class CMyThread : public CWinThread
{
 DECLARE_DYNCREATE(CMyThread)
protected:
 CMyThread();         
 public:
 virtual BOOL InitInstance();
 virtual int ExitInstance();
protected:
 virtual ~CMyThread();
 DECLARE_MESSAGE_MAP()
};

BOOL CMyThread::InitInstance()
{
 CMyDlg dlg;
 m_pMainWnd=&dlg;
 dlg.DoModal();
 
 return TRUE;
}