// Deletes a string from the list box.
//
// Parameters:
// [IN] nIndex
// Specifies the zero-based index of the string to be deleted.
//
// Return value:
// A count of the strings remaining in the list box.
// The return value is LB_ERR if nIndex specifies an index greater than
// the number of items in the list.
//
int CListBoxST::DeleteString(int nIndex)
{
int nRetValue = LB_ERR;
DeleteItemData(nIndex);
nRetValue = CListBox::DeleteString(nIndex);
return nRetValue;
} // End of DeleteString
void CListBoxST::FreeResources()
{
int nCount = 0;
nCount = GetCount();
if (nCount != LB_ERR)
for (;nCount > 0; nCount--)
{
DeleteItemData(nCount-1);
} // for
} // End of FreeResources
void CMyTreeCtrl::DeleteItemData( HTREEITEM hItem )
{
if( hItem == (HTREEITEM)NULL )
return;
PSrvrData pData = (PSrvrData)GetItemData( hItem );
if( NULL != pData )
{
safe_delete( pData );
SetItemData( hItem, NULL );
}
if( TRUE == ItemHasChildren( hItem ) )
{
DeleteItemData( GetChildItem( hItem ) );
DeleteItemData( GetNextSiblingItem( hItem ) );
}
else
{
DeleteItemData( GetNextSiblingItem( hItem ) );
}
}
void CMyTreeCtrl::Clear( void )
{
DeleteItemData( GetRootItem() );
DeleteAllItems();
}
