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TryChangeTimeFrame Method

TryChangeTimeFrame

Summary

Changes the time frame on the chart.

Signature

1
public abstract bool TryChangeTimeFrame(TimeFrame timeFrame)

Parameters

Name Type Description
timeFrame TimeFrame The time frame to change the current chart time frame to

Return Value

bool

Declaring Type

cAlgo.API.Chart

Examples

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 using cAlgo.API;
 namespace cAlgo
 {
     // This sample indicator display's the chart data by using the current Chart object
     [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class ChartSample : Indicator
     {
         private Grid _grid;
         private TextBlock _mouseLocationTextBlock;
         private TextBlock _mouseWheelDeltaTextBlock;
         private TextBlock _objectsNumberTextBlock;
         protected override void Initialize()
         {
             Chart.ChartTypeChanged += args => CreateAndAddGridToChart();
             Chart.ColorsChanged += args => CreateAndAddGridToChart();
             Chart.DisplaySettingsChanged += args => CreateAndAddGridToChart();
             Chart.Drag += args => CreateAndAddGridToChart();
             Chart.DragEnd += args => CreateAndAddGridToChart();
             Chart.DragStart += args => CreateAndAddGridToChart();
             Chart.IndicatorAreaAdded += args => CreateAndAddGridToChart();
             Chart.IndicatorAreaRemoved += args => CreateAndAddGridToChart();
             Chart.MouseMove += args =>
             {
                 if (_mouseLocationTextBlock == null)
                     return;
                 _mouseLocationTextBlock.Text = string.Format("({0}, {1})", args.MouseX, args.MouseY);
             };
             Chart.MouseLeave += args =>
             {
                 if (_mouseLocationTextBlock == null)
                     return;
                 _mouseLocationTextBlock.Text = "(Null, Null)";
                 _mouseWheelDeltaTextBlock.Text = "0";
             };
             Chart.MouseWheel += args =>
             {
                 if (_mouseWheelDeltaTextBlock == null)
                     return;
                 _mouseWheelDeltaTextBlock.Text = args.Delta.ToString();
             };
             Chart.ObjectsAdded += args => _objectsNumberTextBlock.Text = Chart.Objects.Count.ToString();
             Chart.ObjectsRemoved += args => _objectsNumberTextBlock.Text = Chart.Objects.Count.ToString();
             Chart.ZoomChanged += args => CreateAndAddGridToChart();
             CreateAndAddGridToChart();
         }
         public override void Calculate(int index)
         {
         }
         private void CreateAndAddGridToChart()
         {
             if (_grid != null)
                 Chart.RemoveControl(_grid);
             _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);
             _grid.AddChild(new TextBlock
             {
                 Text = "Height",
                 Style = style
             }, 0, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.Height.ToString(),
                 Style = style
             }, 0, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Width",
                 Style = style
             }, 1, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.Width.ToString(),
                 Style = style
             }, 1, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Zoom Level",
                 Style = style
             }, 2, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.ZoomLevel.ToString(),
                 Style = style
             }, 2, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Objects #",
                 Style = style
             }, 3, 0);
             _objectsNumberTextBlock = new TextBlock
             {
                 Style = style,
                 Text = Chart.Objects.Count.ToString()
             };
             _grid.AddChild(_objectsNumberTextBlock, 3, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Top Y",
                 Style = style
             }, 4, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.TopY.ToString(),
                 Style = style
             }, 4, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Bottom Y",
                 Style = style
             }, 5, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.BottomY.ToString(),
                 Style = style
             }, 5, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Type",
                 Style = style
             }, 6, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.ChartType.ToString(),
                 Style = style
             }, 6, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Mouse Location",
                 Style = style
             }, 7, 0);
             _mouseLocationTextBlock = new TextBlock
             {
                 Style = style,
                 Text = "(Null, Null)"
             };
             _grid.AddChild(_mouseLocationTextBlock, 7, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Indicator Areas #",
                 Style = style
             }, 8, 0);
             _grid.AddChild(new TextBlock
             {
                 Text = Chart.IndicatorAreas.Count.ToString(),
                 Style = style
             }, 8, 1);
             _grid.AddChild(new TextBlock
             {
                 Text = "Mouse Wheel Delta",
                 Style = style
             }, 9, 0);
             _mouseWheelDeltaTextBlock = new TextBlock
             {
                 Style = style,
                 Text = "0"
             };
             _grid.AddChild(_mouseWheelDeltaTextBlock, 9, 1);
             Chart.AddControl(_grid);
         }
     }
 }

Last update: June 26, 2022

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