// ----------------
protected override Size MeasureContentOverride(Size availableSize)
{
ScrollBar.Measure(availableSize);
ScrollBarHeight = ScrollBar.DesiredSize.Height;
Size buttonSize = new Size(ScrollBarHeight, ScrollBarHeight);
ZoomInButton.Measure(buttonSize);
ZoomOutButton.Measure(buttonSize);
var availableLegendHeight = Math.Max(0, availableSize.Height - ScrollBarHeight);
Legend.Measure(new Size(availableSize.Width, availableLegendHeight));
//use scrollbar and Legend to deal with infinite space.
return(new Size(Legend.DesiredSize.Width, ScrollBarHeight + Legend.DesiredSize.Height));
}
// ----------------
protected override Size MeasureContentOverride(Size availableSize)
{
CalculateScrollBarValues();
ScrollBar.Measure(availableSize);
ScrollBarWidth = ScrollBar.DesiredSize.Width;
Size buttonSize = new Size(ScrollBarWidth, ScrollBarWidth);
ZoomInButton.Measure(buttonSize);
ZoomOutButton.Measure(buttonSize);
double availableLegendWidth = Math.Max(0, availableSize.Width - ScrollBarWidth);
Legend.Measure(new Size(availableLegendWidth, availableSize.Height));
//use scrollbarDockPanel or Legend to deal with infinite space.
return(new Size(Legend.DesiredSize.Width + ScrollBarWidth, Legend.DesiredSize.Height));
}