/// <summary>
/// Arranges the size for the specified available <see cref="Size"/>.
/// </summary>
/// <param name="finalSize">
/// The final <see cref="Size"/> of the panel.
/// </param>
/// <returns>
/// The arranged size for all child items.
/// </returns>
protected override Size ArrangeOverride(Size finalSize)
{
double strokeThickness = StrokeThickness.Abs();
double margin = strokeThickness / 2.0;
boundRect = new Rect(
margin,
margin,
Math.Max(0.0, finalSize.Width - strokeThickness),
Math.Max(0.0, finalSize.Height - strokeThickness));
center = new Point(boundRect.Width / 2, boundRect.Height / 2);
geometry = null;
return(finalSize);
}
private Size GetNaturalSize()
{
double strokeThickness = StrokeThickness.Abs();
return(new Size(strokeThickness, strokeThickness));
}