private static void Warmup(MarkupExtensionParser markupExtensionParser, string defaultCssNamespace)
{
// warmup parser
markupExtensionParser.Parse("true", Application.Current?.MainWindow ?? new FrameworkElement(), new[] { new CssNamespace("", defaultCssNamespace) });
TypeHelpers.GetPropertyAccessor(typeof(FrameworkElement), "IsLoaded");
var styleSheet = CssParser.Parse("*{Background: #DynamicResource no;}");
var f = new Button();
f.SetValue(Css.StyleSheetProperty, styleSheet);
f.Content = new TextBlock();
instance.EnqueueNewElement(f, styleSheet, f);
instance.ExecuteApplyStyles();
}
