internal static IConcatList <T> Concat <T>(this IConcatList <T> left, IConcatList <T> right)
{
Debug.Assert(left != null && right != null);
if (left.Count == 0)
{
return(right);
}
if (right.Count == 0)
{
return(left);
}
var result = left as ConcatList <T>;
return(result == null || result.IsSealed ? new ConcatList <T>(left, right) : result.Concat(right));
}
internal override void InvalidateAutoWidthBindings()
{
_autoSizeItems = null;
base.InvalidateAutoWidthBindings();
}
public ConcatList(IConcatList <T> list1, IReadOnlyList <T> list2)
: base(list1)
{
AddRange(list2);
}
public ConcatList(IConcatList <T> from)
: base(from)
{
}
internal void InvalidateAutoHeightGridRows()
{
_autoHeightGridRows = null;
}
internal void InvalidateAutoWidthGridColumns()
{
_autoWidthGridColumns = null;
}
public void InvalidateStarLengthTracks()
{
_starLengthTracks = null;
}
