Class ChartZoomPanBehavior

Inheritance
System.Object
ChartBehavior
ChartZoomPanBehavior
Inherited Members
Namespace: Com.Syncfusion.Charts
Assembly: Syncfusion.SfChart.Android.dll
Syntax
public class ChartZoomPanBehavior : ChartBehavior

Constructors

ChartZoomPanBehavior()

Declaration
public ChartZoomPanBehavior()

Properties

DoubleTapEnabled

Gets or sets a value indicating whether to zoom the chart by one level or reset to original size on double tap.

Declaration
public bool DoubleTapEnabled { get; set; }
Property Value
Type
System.Boolean
Remarks

Default value is true.

EnableDirectionalZooming

Gets or sets a value indicating whether directional zooming is enabled.

Declaration
public bool EnableDirectionalZooming { get; set; }
Property Value
Type
System.Boolean
Remarks

If this property is false, zooming is performed based on ZoomMode property. If this property is true, zooming is performed based on pinch direction of the user. This property having effect only with ZoomMode value as Xy.

MaximumZoomLevel

Gets or sets the value that determines the maximum zoom level of the chart.

Declaration
public float MaximumZoomLevel { get; set; }
Property Value
Type
System.Single

ScrollingEnabled

Gets or sets a value indicating whether to allow panning/scrolling in chart.

Declaration
public bool ScrollingEnabled { get; set; }
Property Value
Type
System.Boolean
Remarks

Default value is true.

SelectionRectFillColor

Gets or sets the fill color of the selection rectangle.

Declaration
public Color SelectionRectFillColor { get; set; }
Property Value
Type
Android.Graphics.Color

SelectionRectPathEffect

Gets or sets the Android.Graphics.PathEffect of the selection rectangle.

Declaration
public PathEffect SelectionRectPathEffect { get; set; }
Property Value
Type
Android.Graphics.PathEffect

SelectionRectStrokeColor

Gets or sets the stroke color of the selection rectangle.

Declaration
public Color SelectionRectStrokeColor { get; set; }
Property Value
Type
Android.Graphics.Color

SelectionRectStrokeWidth

Gets or sets the stroke width of the selection rectangle.

Declaration
public float SelectionRectStrokeWidth { get; set; }
Property Value
Type
System.Single
Remarks

The default value is 2.

SelectionZoomingEnabled

Gets or sets a value indicating whether to allow selection zooming or not.

Declaration
public bool SelectionZoomingEnabled { get; set; }
Property Value
Type
System.Boolean
Remarks

Default value is false.

ZoomingEnabled

Gets or sets a value indicating whether to allow zooming in chart.

Declaration
public bool ZoomingEnabled { get; set; }
Property Value
Type
System.Boolean
Remarks

Default value is true.

ZoomMode

Declaration
public ZoomMode ZoomMode { get; set; }
Property Value
Type
ZoomMode

Methods

OnDoubleTap(Single, Single)

Declaration
protected override void OnDoubleTap(float pointX, float pointY)
Parameters
Type Name Description
System.Single pointX
System.Single pointY
Overrides

OnDraw(Canvas)

Declaration
protected override void OnDraw(Canvas canvas)
Parameters
Type Name Description
Android.Graphics.Canvas canvas
Overrides

OnScaleDelta(Single, Single, Single)

Declaration
protected virtual void OnScaleDelta(float manipulationX, float manipulationY, float scaleFactor)
Parameters
Type Name Description
System.Single manipulationX
System.Single manipulationY
System.Single scaleFactor

OnScaleEnd(Single, Single, Single)

Declaration
protected virtual void OnScaleEnd(float manipulationX, float manipulationY, float scaleFactor)
Parameters
Type Name Description
System.Single manipulationX
System.Single manipulationY
System.Single scaleFactor

OnScaleStart(Single, Single, Single)

Declaration
protected virtual void OnScaleStart(float manipulationX, float manipulationY, float scaleFactor)
Parameters
Type Name Description
System.Single manipulationX
System.Single manipulationY
System.Single scaleFactor

OnScroll(Single, Single, Single, Single)

Declaration
protected override void OnScroll(float pointX, float pointY, float distanceX, float distanceY)
Parameters
Type Name Description
System.Single pointX
System.Single pointY
System.Single distanceX
System.Single distanceY
Overrides

OnTouchDown(Single, Single)

Declaration
protected override void OnTouchDown(float pointX, float pointY)
Parameters
Type Name Description
System.Single pointX
System.Single pointY
Overrides

OnTouchUp(Single, Single)

Declaration
protected override void OnTouchUp(float pointX, float pointY)
Parameters
Type Name Description
System.Single pointX
System.Single pointY
Overrides

Reset()

Declaration
public void Reset()

Zoom(RectF)

Declaration
public void Zoom(RectF selectedRect)
Parameters
Type Name Description
Android.Graphics.RectF selectedRect

Zoom(Double)

Declaration
public void Zoom(double zoomFactor)
Parameters
Type Name Description
System.Double zoomFactor

Zoom(Single, Single, ChartAxis)

Declaration
public bool Zoom(float cumulativeLevel, float origin, ChartAxis axis)
Parameters
Type Name Description
System.Single cumulativeLevel
System.Single origin
ChartAxis axis
Returns
Type
System.Boolean

ZoomByRange(ChartAxis, Double, Double)

Declaration
public void ZoomByRange(ChartAxis chartAxis, double start, double end)
Parameters
Type Name Description
ChartAxis chartAxis
System.Double start
System.Double end

ZoomByRange(DateTimeAxis, DateTime, DateTime)

Declaration
public void ZoomByRange(DateTimeAxis dateTimeAxis, DateTime start, DateTime end)
Parameters
Type Name Description
DateTimeAxis dateTimeAxis
System.DateTime start
System.DateTime end

ZoomIn()

Declaration
public void ZoomIn()

ZoomOut()

Declaration
public void ZoomOut()

ZoomToFactor(ChartAxis, Double, Double)

Declaration
public void ZoomToFactor(ChartAxis chartAxis, double zoomPosition, double zoomFactor)
Parameters
Type Name Description
ChartAxis chartAxis
System.Double zoomPosition
System.Double zoomFactor