private void UpdateDummy()
{
if (_Foldable)
{
if (_Items.Count == 1 && !(_Items[0] is SelectionDummyOption <T>))
{
_Items.Insert(0, new SelectionDummyOption <T>(_Items[0])
{
Parent = this
});
}
else if (_Items.Count > 1)
{
_Items[0] = new SelectionDummyOption <T>(_Items[1])
{
Parent = this
}
}
;
else
{
_Items.Clear();
}
if (_Items.Count > 1)
{
Value = _Items[1];
}
}
else if (_Items.Count > 0)
{
Value = _Items[0];
}
}
protected override void HandleClick(StandardItem <T> Item)
{
base.HandleClick(Item);
if (_Foldable)
{
_Items[0] = new SelectionDummyOption <T>(Item)
{
Parent = this
};
_Items[0].Mode = Class.Mode.Focus;
}
}
