Class ChartAnnotation
Namespace: Syncfusion.MacOS.Charts.SfChart
Assembly: Syncfusion.SfChart.XForms.macOS.dll
Syntax
public abstract class ChartAnnotation : ObjectConstructors
ChartAnnotation()
Declaration
public ChartAnnotation()Properties
CoordinateUnit
Gets or sets the ChartCoordinateUnit enum that represents whether annotation is draw on pixel co-ordinates or axis co-ordinates.
Declaration
public ChartCoordinateUnit CoordinateUnit { get; set; }Property Value
| Type | Description |
|---|---|
| ChartCoordinateUnit | The co-ordinate point for Annotation. |
Visible
Gets or sets a value indicating whether the annotation is visible in the chart.
Declaration
public bool Visible { get; set; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
X1
Gets or sets the date time or double that represents x1 position of annotation.
Declaration
public object X1 { get; set; }Property Value
| Type | Description |
|---|---|
| System.Object | The x1. |
XAxisName
Gets or sets the string value that represents name of the x axis.
Declaration
public string XAxisName { get; set; }Property Value
| Type | Description |
|---|---|
| System.String | The name of the X Axis. |
Y1
Gets or sets the double that represents y1 position of annotation.
Declaration
public double Y1 { get; set; }Property Value
| Type | Description |
|---|---|
| System.Double | The y1. |
YAxisName
Gets or sets the string value that represents name of the y axis.
Declaration
public string YAxisName { get; set; }Property Value
| Type | Description |
|---|---|
| System.String | The name of the Y Axis. |
Methods
Draw(CGContext)
Method used to draw annotation in chart area.
Declaration
protected virtual void Draw(CGContext context)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGContext | context | The context. |
GetView()
Gets the view for annotation.
Declaration
protected virtual ChartAnnotationView GetView()Returns
| Type | Description |
|---|---|
| ChartAnnotationView | The view. |
Remarks
This is not applicable for ViewAnnotation Class
MouseDown(CGPoint, NSEvent)
Informs the receiver when the left mouse button is clicked in annotation view.
Declaration
protected virtual void MouseDown(CGPoint locationInChart, NSEvent theEvent)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGPoint | locationInChart | Representing mouse location in SFChart view. |
| AppKit.NSEvent | theEvent | An object representing the event to which the mouse down belong. |
MouseEntered(CGPoint, NSEvent)
Informs the receiver when the mouse enters into annotation view.
Declaration
protected virtual void MouseEntered(CGPoint locationInChart, NSEvent theEvent)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGPoint | locationInChart | Representing mouse location in SFChart view. |
| AppKit.NSEvent | theEvent | An object representing the event to which the mouse entered belong. |
MouseExited(CGPoint, NSEvent)
Informs the receiver when the mouse exits from annotation view.
Declaration
protected virtual void MouseExited(CGPoint locationInChart, NSEvent theEvent)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGPoint | locationInChart | Representing mouse location in SFChart view. |
| AppKit.NSEvent | theEvent | An object representing the event to which the mouse exit belong. |
MouseMoved(CGPoint, NSEvent)
Informs the receiver when the mouse hovers over annotation view.
Declaration
protected virtual void MouseMoved(CGPoint locationInChart, NSEvent theEvent)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGPoint | locationInChart | Representing mouse location in SFChart view. |
| AppKit.NSEvent | theEvent | An object representing the event to which the mouse move belong |
MouseUp(CGPoint, NSEvent)
Informs the receiver when the left mouse button is released in annotation view.
Declaration
protected virtual void MouseUp(CGPoint locationInChart, NSEvent theEvent)Parameters
| Type | Name | Description |
|---|---|---|
| CoreGraphics.CGPoint | locationInChart | Representing mouse location in SFChart view. |
| AppKit.NSEvent | theEvent | An object representing the event to which the mouse up belong. |