Windows.UI.Xaml.Media.LinearGradientBrush GenerateBrush()
{
var result = new Windows.UI.Xaml.Media.LinearGradientBrush(new Windows.UI.Xaml.Media.GradientStopCollection
{
new Windows.UI.Xaml.Media.GradientStop {
Color = Element.StartColor.ToWindowsColor(), Offset = 0
},
new Windows.UI.Xaml.Media.GradientStop {
Color = Element.EndColor.ToWindowsColor(), Offset = 1
}
}, Element.Orientation == Xamarin.Forms.StackOrientation.Horizontal ? 0 : 90);
return(result);
}
private void SetColors()
{
var oriBrush = (Element as BrushLabel)?.Foreground as LinearGradientBrush;
if (oriBrush != null)
{
var collections = new Windows.UI.Xaml.Media.GradientStopCollection();
foreach (var stop in oriBrush.GradientStops)
{
collections.Add(new Windows.UI.Xaml.Media.GradientStop()
{
Color = stop.Color.ToWindowsColor(), Offset = stop.Offset
});
}
var brush = new Windows.UI.Xaml.Media.LinearGradientBrush
{
GradientStops = collections,
StartPoint = oriBrush.StartPoint.ToWindows(),
EndPoint = oriBrush.EndPoint.ToWindows()
};
Control.Foreground = brush;
}
}
public BrokenNativeControl()
{
_textBlock = new TextBlock {
MinHeight = 0,
MaxHeight = double.PositiveInfinity,
MinWidth = 0,
MaxWidth = double.PositiveInfinity,
FontSize = 24,
HorizontalAlignment = HorizontalAlignment.Center
};
Children.Add(_textBlock);
Background =
new WLinearGradientBrush(
new WGradientStopCollection {
new WGradientStop {
Color = Colors.Green, Offset = 0.5
}, new WGradientStop {
Color = Colors.Blue, Offset = 1
}
}, 0);
}