ChartColorSettings¶

public abstract interface ChartColorSettings

 using cAlgo.API;
 namespace cAlgo
 {
     // This indicator allows you to change chart colors via chart controls
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class ChartColorSettingsSample : Indicator
     {
         private TextBox _askPriceLineColorTextBox;
         private TextBox _bidPriceLineColorTextBox;
         private TextBox _backgroundColorTextBox;
         protected override void Initialize()
         {
             var grid = new Grid(10, 2)
             {
                 BackgroundColor = Color.Gold,
                 Opacity = 0.6,
                 HorizontalAlignment = HorizontalAlignment.Left,
                 VerticalAlignment = VerticalAlignment.Bottom
             };
             var style = new Style();
             style.Set(ControlProperty.Margin, 5);
             style.Set(ControlProperty.FontWeight, FontWeight.ExtraBold);
             style.Set(ControlProperty.ForegroundColor, Color.Red);
             style.Set(ControlProperty.MinWidth, 100);
             grid.AddChild(new TextBlock
             {
                 Text = "Ask Price Line Color",
                 Style = style
             }, 0, 0);
             _askPriceLineColorTextBox = new TextBox
             {
                 Text = Chart.ColorSettings.AskPriceLineColor.ToString(),
                 Style = style
             };
             grid.AddChild(_askPriceLineColorTextBox, 0, 1);
             grid.AddChild(new TextBlock
             {
                 Text = "Bid Price Line Color",
                 Style = style
             }, 1, 0);
             _bidPriceLineColorTextBox = new TextBox
             {
                 Text = Chart.ColorSettings.BidPriceLineColor.ToString(),
                 Style = style
             };
             grid.AddChild(_bidPriceLineColorTextBox, 1, 1);
             grid.AddChild(new TextBlock
             {
                 Text = "Background Color",
                 Style = style
             }, 2, 0);
             _backgroundColorTextBox = new TextBox
             {
                 Text = Chart.ColorSettings.BackgroundColor.ToString(),
                 Style = style
             };
             grid.AddChild(_backgroundColorTextBox, 2, 1);
             var changeButton = new Button
             {
                 Text = "Change",
                 Style = style
             };
             changeButton.Click += ChangeButton_Click;
             grid.AddChild(changeButton, 9, 0);
             Chart.AddControl(grid);
         }
         private void ChangeButton_Click(ButtonClickEventArgs obj)
         {
             Chart.ColorSettings.AskPriceLineColor = GetColor(_askPriceLineColorTextBox.Text);
             Chart.ColorSettings.BidPriceLineColor = GetColor(_bidPriceLineColorTextBox.Text);
             Chart.ColorSettings.BackgroundColor = GetColor(_backgroundColorTextBox.Text);
         }
         private Color GetColor(string colorString, int alpha = 255)
         {
             var color = colorString[0] == '#' ? Color.FromHex(colorString) : Color.FromName(colorString);
             return Color.FromArgb(alpha, color);
         }
         public override void Calculate(int index)
         {
         }
     }
 }