| ChartTrackballController Methods |
The ChartTrackballController type exposes the following members.
Methods| Name | Description | |
|---|---|---|
 | BuildPointsDictionary |
Creates lists of datapoints grouped by their X, Y or angle coordinate depending on the type of the chart.
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| ControllerAdded | (Overrides ChartViewControllerControllerAdded(ChartView).) |
| ControllerRemoved | (Overrides ChartViewControllerControllerRemoved.) |
| CreateInfoElement |
Creates the element that is displaying the trackball information.
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| ExecuteCore | (Inherited from ChartViewController.) |
| GetCartesianTrackballElementLocation |
Gets the location where the info element should be positioned.
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| GetClosestPoints |
Gets the points along horizontal, vertical or radius line closest to the given location depending on the type of the chart.
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| GetColorForDataPoint |
Gets the back color of a given data point from its element.
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| GetPointText |
Gets the text for a specific data point.
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| GetRadialTrackballElementLocation |
Gets the location where the info element should be positioned.
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| GetTrackballElementLocation |
Gets the trackball element location.
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| GetTrackballText |
Gets the text to be displayed in the trackball info element.
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| InitializeFields |
Initializes the Trackball controller with the default settings.
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| MoveTrackball |
Changes the location of the trackball according to the location.
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| OnDraw | (Overrides ChartViewControllerOnDraw(EventArgs).) |
| OnGesture | (Inherited from ChartViewController.) |
| OnKeyDown | (Inherited from ChartViewController.) |
| OnKeyPress | (Inherited from ChartViewController.) |
| OnKeyUp | (Inherited from ChartViewController.) |
| OnLocationChanged |
Raises the [E:LocationChanged] event.
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| OnMouseCaptureChanged | (Inherited from ChartViewController.) |
| OnMouseClick | (Inherited from ChartViewController.) |
| OnMouseDoubleClick | (Inherited from ChartViewController.) |
| OnMouseDown | (Inherited from ChartViewController.) |
| OnMouseEnter | (Overrides ChartViewControllerOnMouseEnter(EventArgs).) |
| OnMouseHover | (Inherited from ChartViewController.) |
| OnMouseLeave | (Overrides ChartViewControllerOnMouseLeave(EventArgs).) |
| OnMouseMove | (Overrides ChartViewControllerOnMouseMove(MouseEventArgs).) |
| OnMouseUp | (Inherited from ChartViewController.) |
| OnMouseWheel | (Inherited from ChartViewController.) |
| OnPanGesture | (Inherited from ChartViewController.) |
| OnPressAndTapGesture | (Inherited from ChartViewController.) |
| OnPropertyChanged | (Inherited from Controller.) |
| OnRotateGesture | (Inherited from ChartViewController.) |
| OnTextNeeded |
Raises the [E:TextNeeded] event.
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| OnTwoFingerTapGesture | (Inherited from ChartViewController.) |
| OnZoomGesture | (Inherited from ChartViewController.) |
See Also