How to override MeasureOverride to find the size of ItemsControl

Question

I am developing a UserControl that consists of a block with a heading and a list of items (as ItemsControl). The usercontrol is added dynamically to a canvas. I

Answer 1

Try using ActualWidth and ActualHeight properties.

protected override Size MeasureOverride(Size availableSize)
{
   var desiredSize = new Size();
   var sideLength = Math.Min(ActualWidth, ActualHeight);

   desiredSize.Width = sideLength;
   desiredSize.Height = sideLength;

   return desiredSize;
}