如何让webbrowser控件不挡住子窗体?

HWND hChildDlg = NULL;



LRESULT CALLBACK ChildDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)

{

  return FALSE;

}



#include <atlbase.h>  

CComModule _Module;  

#include <atlwin.h>  

#include <comdef.h>  

#include <exdisp.h>

#pragma comment(lib,"atl")  

#pragma comment(lib,"User32.lib")  



CAxWindow WinContainer;  





// Mesage handler for about box.

LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)

{

  switch (message)

  {

    case WM_INITDIALOG:

    {

      CoInitialize(NULL);



      //创建对话框

      hChildDlg = CreateDialog(hInst, MAKEINTRESOURCE(IDD_DIALOG1), hDlg, (DLGPROC)ChildDlgProc);

      

      IWebBrowser2* iWebBrowser;  

      VARIANT varMyURL;  



      //注册类

      {

        WNDCLASSEX wcex;

        

        wcex.cbSize = sizeof(WNDCLASSEX); 

        

        wcex.style			= CS_HREDRAW | CS_VREDRAW;

        wcex.lpfnWndProc	= (WNDPROC)WndProc;

        wcex.cbClsExtra		= 0;

        wcex.cbWndExtra		= 0;

        wcex.hInstance		= hInst;

        wcex.hIcon			= LoadIcon(hInst, (LPCTSTR)IDI_WIN32T4);

        wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);

        wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);

        wcex.lpszMenuName	= (LPCSTR)IDC_WIN32T4;

        wcex.lpszClassName	= WinContainer.GetWndClassName();

        wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

        

	      RegisterClassEx(&wcex);

      }



      RECT rc={0,0,100,100};

      WinContainer.Create(hDlg, rc, 0,WS_CHILD |WS_VISIBLE);  

      DWORD dwErr = GetLastError();

      WinContainer.CreateControl(L"shell.Explorer.2");  

      WinContainer.QueryControl(__uuidof(IWebBrowser2),(void**)&iWebBrowser);   

      VariantInit(&varMyURL);  

      varMyURL.vt = VT_BSTR;   

      varMyURL.bstrVal = SysAllocString(L"http://www.baidu.com");  

      iWebBrowser-> Navigate2(&varMyURL,0,0,0,0);  

      VariantClear(&varMyURL);   

      iWebBrowser-> Release(); 



      PostMessage(hDlg, WM_SIZE, 0, 0);



      return TRUE;

    }

    case WM_COMMAND:

    {

      if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 

      {

        EndDialog(hDlg, LOWORD(wParam));

        return TRUE;

      }

      break;

    }

    case( WM_DESTROY ):

    {

      if(hChildDlg != NULL)

      {

        DestroyWindow(hChildDlg);

        hChildDlg = NULL;

      }



      WinContainer.DestroyWindow();

      CoUninitialize();

      return 0;

    }

    case( WM_SIZE ):

    {

      RECT rc;

      GetClientRect(hDlg, &rc);



      //移动对话框到左上角

      RECT rcDlg;

      GetWindowRect(hChildDlg, &rcDlg);

      MoveWindow(hChildDlg, 0, 0, rcDlg.right-rcDlg.left, rcDlg.bottom-rcDlg.top, TRUE);



      //webbrowser移动到对话框右侧边

      rc.left += rcDlg.right - rcDlg.left;

      WinContainer.MoveWindow(&rc);  



      return 0;

    }



    default:

    {

      break;

    }

  }

  return FALSE;

}