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Forums » Prof-UIS Tech Support » CExtGridWnd question Collapse All
Subject Author Date
tera tera Aug 17, 2009 - 12:55 AM

An error is displayed at the time of grid making.

I do DestroyWindow of a dialog grid.

Assert is displayed when I do Create again.


 


http://ifreeta.dee.cc/20090817/SampleMuGridbugtest.lzh



 


void CSampleDialog10Dlg::OnButton11() 
{
 OnButton10();
 pSunpoInpHojyoDlg->DestroyWindow( );
 OnButton10();
}
 
static CNxfKakouEditSunpoInpHojyoDlg  *pSunpoInpHojyoDlg = NULL;
void CSampleDialog10Dlg::OnButton10() 
{
    if ( pSunpoInpHojyoDlg == NULL ){
     //pSunpoInpHojyoDlg = new CNxfKakouEditSunpoInpHojyoDlg ;
     pSunpoInpHojyoDlg = new CNxfKakouEditSunpoInpHojyoDlg ;
    }
 pSunpoInpHojyoDlg->Create(
     CNxfKakouEditSunpoInpHojyoDlg::IDD ,
	 this
 );
}

 
Technical Support Aug 17, 2009 - 1:48 PM

Thank you for the test project. We found two issues. One is in your project. Please update the source code for the following method:

void CSampleDialog10Dlg::OnButton10() 
{
    if ( pSunpoInpHojyoDlg == NULL ){
      //pSunpoInpHojyoDlg = new CNxfKakouEditSunpoInpHojyoDlg ;
      pSunpoInpHojyoDlg = new CNxfKakouEditSunpoInpHojyoDlg ;
    }

      if( pSunpoInpHojyoDlg->GetSafeHwnd() == NULL ) /// WE JUST ADDED THIS LINE
            pSunpoInpHojyoDlg->Create(
            CNxfKakouEditSunpoInpHojyoDlg::IDD ,
                  this
      );
}

Second is in Prof-UIS. Please update the source code for the following two methods:
#ifdef _DEBUG
LONG CExtGridWnd::ColumnCountSet(
      LONG nCount, // = -1L
      bool bRedraw // = true
      )
{
      ASSERT_VALID( this );
      ASSERT(
                  m_bDebugModifyingColumns
            ||    nCount == ColumnCountGet()
            ||    nCount <  0L // switching to virtual mode
            ||    nCount == 0L // presubclassing/initializing
            );
      return
            CExtGridBaseWnd::ColumnCountSet(
                  nCount,
                  bRedraw
                  );
}
LONG CExtGridWnd::RowCountSet(
      LONG nCount, // = -1L
      bool bRedraw // = true
      )
{
      ASSERT_VALID( this );
      ASSERT(
                  m_bDebugModifyingRows
            ||    nCount == RowCountGet()
            ||    nCount <  0L // switching to virtual mode
            ||    nCount == 0L // presubclassing/initializing
            );
      return
            CExtGridBaseWnd::RowCountSet(
                  nCount,
                  bRedraw
                  );
}
#endif // _DEBUG