void UpdateCancelButtonColor()
{
var foregroundBrush = Windows.UI.Xaml.Application.Current.Resources["FormsCancelForegroundBrush"] as SolidColorBrush;
var backgroundBrush = Windows.UI.Xaml.Application.Current.Resources["FormsCancelBackgroundBrush"] as SolidColorBrush;
Color cancelColor = Element.CancelButtonColor;
if (cancelColor.IsDefault)
{
backgroundBrush.Color = (Windows.UI.Xaml.Application.Current.Resources["TextBoxButtonBackgroundThemeBrush"] as SolidColorBrush).Color;
foregroundBrush.Color = (Windows.UI.Xaml.Application.Current.Resources["SystemControlBackgroundChromeBlackMediumBrush"] as SolidColorBrush).Color;
}
else
{
Windows.UI.Color newColor = cancelColor.ToWindowsColor();
backgroundBrush.Color = newColor;
foregroundBrush.Color = newColor.GetIdealForegroundForBackgroundColor();
}
}