public Rect GetDockingRect(Size sizeToDock, Margins margins, Alignments alignments)
{
var marginsCutout = margins.AsThickness();
var withoutMargins = OriginalRect.Deflate(marginsCutout);
var finalRect = withoutMargins.AlignChild(sizeToDock, Alignment.End, alignments.Vertical);
AccumulatedOffset += sizeToDock.Width;
margins.HorizontalMargin = margins.HorizontalMargin.Offset(0, sizeToDock.Width);
return finalRect;
}
private static void ArrangeToFill(Size availableSize, Margins margins, ILayoutable layoutable)
{
var containerRect = new Rect(new Point(0,0), availableSize);
var marginsCutout = margins.AsThickness();
var withoutMargins = containerRect.Deflate(marginsCutout);
var finalSize = GetConstrainedSize(layoutable, withoutMargins);
var finalRect = withoutMargins.AlignChild(finalSize, Alignment.Middle, Alignment.Middle);
layoutable.Arrange(finalRect);
}