MFC 获取/遍历 窗口所有子控件

	CWnd *pWnd = AfxGetMainWnd();
	HWND hwnd = pWnd->GetSafeHwnd();
	HWND subWnd = ::GetWindow(hwnd,GW_CHILD);
    //HWND subWnd = ::GetWindow(this->GetSafeHwnd(),GW_CHILD);//如果是CFormView
	int i = 0;
	while(subWnd)   
	{   

		CWnd *subCWnd = CWnd::FromHandle(subWnd);//HWND转Cwnd
		int  nCtrlID=subCWnd->GetDlgCtrlID();      //ID号与资源匹配
		if (nCtrlID == IDC_EDIT1) {//判断ID
			subCWnd->EnableWindow(FALSE);
		}

		//类型不知道为什么判断不出来
		if (subCWnd->IsKindOf(RUNTIME_CLASS(CMFCButton))) {
			printf("CMFCButton \n");
		}
	    if (subCWnd->IsKindOf(RUNTIME_CLASS(CButton))) {
			printf("Button \n");
		}

	    if (subCWnd->IsKindOf(RUNTIME_CLASS(CEditView))) {
			printf("CEdit \n");
		}

		subWnd = ::GetWindow(subWnd,GW_HWNDNEXT);
		printf("%d \n",i++);
	}