protected override Size ArrangeOverride(Size arrangeBounds)
{
InitializeChildrens();
double x = indent;
double w = arrangeBounds.Width;
double h = arrangeBounds.Height;
var size = expander.DesiredSize;
expander.Arrange(new Rect(x, (h - size.Height) / 2, size.Width, size.Height));
x += size.Width;
if (!icon.ImageReference.IsDefault)
{
size = icon.DesiredSize;
icon.Arrange(new Rect(x, (h - size.Height) / 2, size.Width, size.Height));
x += size.Width;
}
size = content.DesiredSize;
content.Arrange(new Rect(x, (h - size.Height) / 2, size.Width, size.Height));
x += size.Width;
return(new Size(x, h));
}
