private void ThemeButton_Clicked(object sender, EventArgs args) { var item = sender as MenuItem; Theme.FormBackgroundColor = SKColors.White; Theme.NeutralGray = new SKColor(240, 240, 240); Theme.LightNeutralGray = new SKColor(251, 251, 251); Theme.ItemHighlightColor = new SKColor(198, 198, 198); switch (item.Text) { case "Default": Theme.BeginUpdate(); Theme.HighlightColor = new SKColor(42, 138, 208); Theme.PrimaryColor = new SKColor(16, 110, 190); Theme.EndUpdate(); break; case "Green": Theme.BeginUpdate(); Theme.HighlightColor = new SKColor(67, 148, 103); Theme.PrimaryColor = new SKColor(33, 115, 70); Theme.EndUpdate(); break; case "Orange": Theme.BeginUpdate(); Theme.HighlightColor = new SKColor(220, 89, 57); Theme.PrimaryColor = new SKColor(183, 71, 42); Theme.EndUpdate(); break; case "Purple": Theme.BeginUpdate(); Theme.HighlightColor = new SKColor(163, 86, 158); Theme.PrimaryColor = new SKColor(128, 57, 123); Theme.EndUpdate(); break; case "Hotdog Stand": Theme.BeginUpdate(); Theme.HighlightColor = new SKColor(255, 128, 128); Theme.FormBackgroundColor = SKColors.Yellow; Theme.NeutralGray = SKColors.White; Theme.LightNeutralGray = new SKColor(255, 0, 0); Theme.ItemHighlightColor = new SKColor(255, 255, 255); Theme.PrimaryColor = new SKColor(255, 0, 0); Theme.EndUpdate(); break; } Invalidate(); }