public void Remove(IAreaContents areaItem)
{
if (areaItem is UIElement uIElement)
{
if (ContentsCanvas.Children.Contains(uIElement))
{
ContentsCanvas.Children.Remove(uIElement);
if (string.IsNullOrEmpty(areaItem.Group))
{
Grouped[areaItem.Group].Remove(areaItem);
if (Grouped[areaItem.Group].Count == 0)
{
Grouped.Remove(areaItem.Group);
}
}
if (areaItem.Select)
{
AreaItemSelectOperator.Remove(areaItem);
Selected.Remove(areaItem);
}
}
}
}
public ContentsAreaBase(Canvas canvas)
{
ContentsCanvas = canvas;
AreaItemSelectOperator = new AreaItemSelectOperator(canvas);
AreaItemOperator = new AreaItemOperator(canvas);
}