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AddHotkey Method (4)

AddHotkey (1 of 4)

Summary

Adds an hotkey to the chart that will call the handler when pressed

Signature

1
public abstract bool AddHotkey(Action<ChartKeyboardEventArgs> hotkeyHandler, Key key, ModifierKeys modifiers)

Parameters

Name Type Description
hotkeyHandler Action The action delegate handler that will be called with a ChartKeyboardEventArgs
key Key The Hotkey main key
modifiers ModifierKeys The hotkey modifier key, default to None which means no modifer key

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);
         }
     }
 }

See Also

AddHotkey (2 of 4)

Summary

Adds an hotkey to the chart that will call the handler when pressed

Signature

1
public abstract bool AddHotkey(Action<ChartKeyboardEventArgs> hotkeyHandler, string hotkey)

Parameters

Name Type Description
hotkeyHandler Action The action delegate handler that will be called with a ChartKeyboardEventArgs
hotkey string The keyboard key for hotkey

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);
         }
     }
 }

See Also

AddHotkey (3 of 4)

Summary

Adds an hotkey to the chart that will call the handler when pressed

Signature

1
public abstract bool AddHotkey(Action hotkeyHandler, Key key, ModifierKeys modifiers)

Parameters

Name Type Description
hotkeyHandler Action The action delegate handler that will be called
key Key The Hotkey main key
modifiers ModifierKeys The hotkey modifier key, default to None which means no modifer key

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);
         }
     }
 }

AddHotkey (4 of 4)

Summary

Adds an hotkey to the chart that will call the handler when pressed

Signature

1
public abstract bool AddHotkey(Action hotkeyHandler, string hotkey)

Parameters

Name Type Description
hotkeyHandler Action The action delegate handler that will be called
hotkey string The keyboard key for hotkey

Return Value

bool

Declaring Type

cAlgo.API.Chart

Examples

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169
170
 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: March 23, 2023