在Activex中创建CTreeCtrl
const DWORD dwViewStyle = WS_CHILD | WS_VISIBLE | TVS_HASLINES | 
TVS_LINESATROOT | TVS_HASBUTTONS | TVS_TRACKSELECT; CRect rectDummy;
GetClientRect( &rectDummy );
CWnd *pwnd = new CWnd;
ATLASSERT(::IsWindow(m_hWnd)); pwnd->Attach(m_hWnd);
if (!m_wndTree.Create(dwViewStyle, rectDummy, pwnd, IDC_NAVIGATION_TREECTRL))
{
TRACE0("Failed to create workspace view\n");
return -1;      // fail to createIDR_SursenReaderTYPE
}
我如何才能接收到CTreeCtrl的事件!!