calling Gui treeWidget in Thread class

[santosh.kumar]

hi
i m not getting correct solution.
I m writing coding like this....

////first class
void DirThread::run()
{
   if(!bAbort)
   {
      showDir();
   }
}
void DirThread ::showDir()
{
   QTreeWidgetItem *pItem = NULL;
   pItem = new QTreeWidgetItem(///treeWidget from Gui class); 
 
   showDirView(pItem, strPath);
}
void DirThread ::showDirView(QTreeWidgetItem *pItem,QString strPath)
{
   //loop up to size of dir
   //Recursivly showing dir
   for(///loop)
  {
     if(//dir)
     {
       showDirView(//treeItem,//path)
      }
     else
    {
       //file show    
    }
  } 
}
 
 
/////Gui class
GuiClass::GuiClass(QWidget *parent):QDialog(parent)
{  
   setupUi(this);
   treeWidget->setColumnCount(1);
}

////first class
void DirThread::run()
{
   if(!bAbort)
   {
      showDir();
   }
}
void DirThread ::showDir()
{
   QTreeWidgetItem *pItem = NULL;
   pItem = new QTreeWidgetItem(///treeWidget from Gui class); 

   showDirView(pItem, strPath);
}
void DirThread ::showDirView(QTreeWidgetItem *pItem,QString strPath)
{
   //loop up to size of dir
   //Recursivly showing dir
   for(///loop)
  {
     if(//dir)
     {
       showDirView(//treeItem,//path)
      }
     else
    {
       //file show    
    }
  } 
}


/////Gui class
GuiClass::GuiClass(QWidget *parent):QDialog(parent)
{  
   setupUi(this);
   treeWidget->setColumnCount(1);
}

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///I m using this treeWidget Dialog to show recursivly showing dir view
using thread,,,how i call use treeWidget in Thread Method...
please correct this one...