修改 OleInsertDialog 显示内容

最新推荐文章于 2016-08-17 16:38:00 发布

wyj_215

最新推荐文章于 2016-08-17 16:38:00 发布

阅读量1k

点赞数

CC 4.0 BY-SA版权

文章标签： callback null user dialog path insert

本文链接：https://blog.youkuaiyun.com/wyj_215/article/details/1434217

本文介绍了一个使用Windows钩子(CBT钩子)来修改和控制标准插入对象对话框的示例。通过钩子过程和自定义窗口过程，演示了如何隐藏特定控件、更改文件路径以及调整窗口大小等操作。

转贴指明作者

BOOL bFirst = TRUE;
HHOOK hKook;
WNDPROC hOldProc;

LRESULT CALLBACK
WndProcDlg(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
TRACE( "%x/n", nMsg);
if( nMsg == WM_INITDIALOG )
{
  LRESULT lRet = hOldProc( hWnd, nMsg, wParam, lParam );
  HWND hSub = ::GetDlgItem( hWnd, 0x834 );
  ::ShowWindow( hSub, SW_HIDE );
  hSub = ::GetDlgItem( hWnd, 0x835 );
  ::ShowWindow( hSub, SW_HIDE );

  ::PostMessage(hSub, WM_LBUTTONDOWN, 0, 20 + (10 << 16) );
  ::PostMessage(hSub, WM_LBUTTONUP, 0, 20 + (10 << 16) );
  ::PostMessage(hWnd, WM_USER+1, 0, 0 );

return lRet;
}

if( WM_USER+1 == nMsg )
{
  HWND hSub = ::GetDlgItem( hWnd, 0x836 );
  ::PostMessage(hSub, WM_LBUTTONDOWN, 0, 20 + (10 << 16) );
  ::PostMessage(hSub, WM_LBUTTONUP, 0, 20 + (10 << 16) );
  ::ShowWindow( hSub, SW_HIDE );

hSub = ::GetDlgItem( hWnd, 0x83B );

TCHAR *szPath = new TCHAR [_MAX_PATH];
::GetWindowText( hSub, szPath, _MAX_PATH );

  WIN32_FIND_DATA fd;
  HANDLE hFind = ::FindFirstFile( "c://A.tmp", &fd );
  if( hFind == INVALID_HANDLE_VALUE )
  {
   system( "cd > c://A.tmp" );
  }
  else
  {
   ::FindClose( hFind );
  }

::SetWindowText( hSub, "C://A.tmp" );

  hSub = ::GetDlgItem( hWnd, 0x838 );
  ::PostMessage(hSub, WM_LBUTTONDOWN, 0, 20 + (10 << 16) );
  ::PostMessage(hSub, WM_LBUTTONUP, 0, 20 + (10 << 16) );
  ::ShowWindow( hSub, SW_HIDE );
  ::PostMessage(hWnd, WM_USER+2, (WPARAM)szPath, 0 );

}

if( WM_USER+2== nMsg )
{
  TCHAR * szPath = (TCHAR*) wParam;
  HWND hSub = ::GetDlgItem( hWnd, 0x83B );
  ::SetWindowText( hSub, szPath );
  delete szPath;

  hSub = ::GetDlgItem( hWnd, 0x83B );
  RECT rc;
  ::GetWindowRect( hSub, &rc );
  ::ScreenToClient( hWnd, (POINT*)&rc );
  ::ScreenToClient( hWnd, ((POINT*)&rc) + 1 );
  rc.left -= 40;
  ::MoveWindow( hSub, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, TRUE );
  ::SetWindowLong( hWnd, GWL_WNDPROC, (LONG)hOldProc );
}

LRESULT lRet = hOldProc( hWnd, nMsg, wParam, lParam );
return lRet;
}

LRESULT CALLBACK CBTProcDlg( int code, WPARAM wParam, LPARAM lParam )
{
if (code != HCBT_CREATEWND)
{
return CallNextHookEx(hKook, code,
wParam, lParam);
}

ASSERT(lParam != NULL);
LPCREATESTRUCT lpcs = ((LPCBT_CREATEWND)lParam)->lpcs;
ASSERT(lpcs != NULL);

HWND hWnd = (HWND)wParam;
TCHAR sz[100];
::GetClassName( hWnd, sz, 100 );

if( 0 == strcmp( "#32770", sz ) )
{
  if( bFirst )
   hOldProc = (WNDPROC)::SetWindowLong( hWnd, GWL_WNDPROC, (LONG)WndProcDlg );
  bFirst = FALSE;
}

LRESULT lResult = CallNextHookEx( hKook, code,
wParam, lParam);

return lResult;

}

void CTsolView::OnInsertObject()
{
// Invoke the standard Insert Object dialog box to obtain information
// for new CTsolCntrItem object.
HHOOK hKook= ::SetWindowsHookEx(WH_CBT,
CBTProcDlg, NULL, ::GetCurrentThreadId());
if ( hKook == NULL)
{
return;
}
bFirst = TRUE;

COleInsertDialog dlg;
#if 0
dlg.m_io.dwFlags &= ~IOF_SELECTCREATENEW;
dlg.m_io.dwFlags |= IOF_SELECTCREATEFROMFILE;
dlg.m_io.dwFlags |= IOF_CHECKLINK;
dlg.m_io.dwFlags |= IOF_DISABLELINK;
dlg.m_io.dwFlags |= IOF_CHECKDISPLAYASICON ;
dlg.m_io.dwFlags |= IOF_DISABLEDISPLAYASICON;
#endif
if (dlg.DoModal() != IDOK)
return;

::UnhookWindowsHookEx( hKook );
}