protected virtual void DetachCells()
{
while (this.VisualCells.Count > 0)
{
GridCellElement visualCell = this.VisualCells[0];
visualCell.Parent.Children.Remove((RadElement)visualCell);
GridVirtualizedCellElement virtualizedCellElement = visualCell as GridVirtualizedCellElement;
if (virtualizedCellElement != null)
{
this.TableElement.CellElementProvider.CacheElement((IVirtualizedElement <GridViewColumn>)virtualizedCellElement);
virtualizedCellElement.Detach();
}
else
{
visualCell.Dispose();
}
}
}
protected override void RemoveElement(int position)
{
GridVirtualizedCellElement child = this.Children[position] as GridVirtualizedCellElement;
if (child != null)
{
if (child.RowElement == null || child.TableElement == null || (child.GridViewElement == null || child.GridViewElement.EditorManager == null) || !child.GridViewElement.IsInEditMode)
{
base.RemoveElement(position);
return;
}
IEditableCell editableCell = child as IEditableCell;
if (editableCell != null && editableCell.Editor != null && editableCell.Editor == child.GridViewElement.EditorManager.ActiveEditor)
{
child.GridViewElement.EditorManager.CancelEdit();
}
}
base.RemoveElement(position);
}
private void Detach(
IVirtualizedElementProvider <GridViewColumn> cellElementProvider,
GridCellElement cell)
{
GridVirtualizedCellElement virtualizedCellElement = cell as GridVirtualizedCellElement;
if (virtualizedCellElement != null)
{
cellElementProvider.CacheElement((IVirtualizedElement <GridViewColumn>)virtualizedCellElement);
virtualizedCellElement.Detach();
if (virtualizedCellElement.Parent == null || !virtualizedCellElement.Parent.Children.Contains((RadElement)virtualizedCellElement))
{
return;
}
virtualizedCellElement.Parent.Children.Remove((RadElement)virtualizedCellElement);
}
else
{
cell.Dispose();
}
}