动态创建的CTreeCtrl控件，响应鼠标左键，右键按下消息

BOOL CTreeBar::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)

{
 NMHDR* pNMHDR = (NMHDR*)lParam;  
 ASSERT(pNMHDR != NULL);  
 switch (pNMHDR->code)  
 {  

 case NM_CLICK:
  // MessageBox("左键按下");
  OnNMClickTree(pNMHDR,pResult);
  break;
 case NM_RCLICK:
  // MessageBox("右键按下");
  OnNMRclickTree(pNMHDR,pResult);
  break;
 default:  
  break;  
 }  

return CDialogBar::OnNotify(wParam, lParam, pResult);

}