or
Me.RadScheduler1.Backgrounds.Add((New AppointmentBackgroundInfo(23, "Orange", Color.Orange, Color.Orange)))
Me.RadScheduler1.Backgrounds.Add((New AppointmentBackgroundInfo(24, "Yellow", Color.Gold, Color.Gold)))
Me.RadScheduler1.Backgrounds.Add((New AppointmentBackgroundInfo(25, "Green", Color.YellowGreen, Color.YellowGreen)))
class Data {public float Y1 {get;set;}public float Y2 {get;set;}public float Y3 {get;set;}
public TimeSpan When {get;set;}
public float Sum {get{return Y1+Y2+Y3;}}public byte Address {get;set;}}foreach(LegendItem li in this.groupingChartView.ChartElement.LegendElement.Items){ PiePointElement ppe = li.Element as PiePointElement; PieDataPoint pdp = ppe.DataPoint as PieDataPoint; li.Title = pdp.Name;}private void Form1_Load(object sender, EventArgs e){ model = new DataModel.Entities(); dataSource = new BindingSource(); radGridView1.TableElement.BeginUpdate(); dataSource.DataSource = model.Items.ToList(); radGridView1.DataSource = dataSource; radGridView1.TableElement.EndUpdate();}

ThemeResolutionService.ApplicationThemeName = ThemeNamePrivate Sub ApplyTheme() Dim mytheme As New Telerik.WinControls.Themes.Office2010BlackTheme Me.ThemeClassName = "Telerik.WinControls.UI.RadForm" Me.ThemeName = mytheme.ThemeName End Sub