public override Size GetDesiredSize(double widthConstraint, double heightConstraint)
{
var platformView = this.ToPlatform();
if (platformView == null || VirtualView == null)
{
return(new Size(widthConstraint, heightConstraint));
}
VirtualView.CrossPlatformMeasure(widthConstraint, heightConstraint);
var explicitWidth = VirtualView.Width;
var explicitHeight = VirtualView.Height;
var hasExplicitWidth = explicitWidth >= 0;
var hasExplicitHeight = explicitHeight >= 0;
var sizeThatFits = platformView.SizeThatFits(new CGSize((float)widthConstraint, (float)heightConstraint));
var size = new Size(
sizeThatFits.Width > 0 ? sizeThatFits.Width : PlatformView.ContentSize.Width,
sizeThatFits.Height > 0 ? sizeThatFits.Height : PlatformView.ContentSize.Height);
return(new Size(hasExplicitWidth ? explicitWidth : size.Width,
hasExplicitHeight ? explicitHeight : size.Height));
}
public override Size GetDesiredSize(double widthConstraint, double heightConstraint)
{
var result = base.GetDesiredSize(widthConstraint, heightConstraint);
if (GetInsetPanel(NativeView) == null)
{
VirtualView.CrossPlatformMeasure(widthConstraint, heightConstraint);
}
return(result);
}
public override Graphics.Size GetDesiredSize(double widthConstraint, double heightConstraint)
{
return(VirtualView.CrossPlatformMeasure(widthConstraint, heightConstraint));
}
