Class CircleSlider

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Definition

Namespace:
ElmSharp.Wearable
Assembly:
ElmSharp.Wearable.dll

Circle slider is a circular designed widget used to select a value in a range by the Rotary event.


                
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public class CircleSlider : Widget, IAccessibleObject, IRotaryActionWidget, ICircleWidget
Inheritance
object
EvasObject
AccessibleObject
Widget
CircleSlider
Implements
IAccessibleObject
IRotaryActionWidget
ICircleWidget

Constructors

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CircleSlider(EvasObject, CircleSurface)

Creates and initializes a new instance of the CircleSlider class.

Declaration

                
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public CircleSlider(EvasObject parent, CircleSurface surface)
Parameters
Type Name Description
EvasObject parent

The EvasObject to which the new CircleSlider will be attached as a child.
CircleSurface surface

The surface for drawing the circle features for this widget.

Properties

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BackgroundAngle

Sets or gets the angle in degree of the circle slider background.

Declaration

                
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public double BackgroundAngle { get; set; }
Property Value
Type Description
double
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BackgroundAngleOffset

Sets or gets the angle offset for the circle slider background. Offset value means start position of the slider background.

Declaration

                
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public double BackgroundAngleOffset { get; set; }
Property Value
Type Description
double
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BackgroundColor

Sets or gets the color of the circle slider background.

Declaration

                
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public override Color BackgroundColor { get; set; }
Property Value
Type Description
Color
Overrides
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BackgroundLineWidth

Sets or gets the line width of the circle slider background.

Declaration

                
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public int BackgroundLineWidth { get; set; }
Property Value
Type Description
int
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BackgroundRadius

Gets or sets the radius value for the circle slider background.

Declaration

                
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public double BackgroundRadius { get; set; }
Property Value
Type Description
double
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BarAngle

Sets or gets the angle in degree of the circle slider bar.

Declaration

                
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public double BarAngle { get; set; }
Property Value
Type Description
double
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BarAngleMaximum

Sets or gets the maximum angle of the circle slider bar.

Declaration

                
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public double BarAngleMaximum { get; set; }
Property Value
Type Description
double
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BarAngleMinimum

Sets or gets the minimum angle of the circle slider bar.

Declaration

                
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public double BarAngleMinimum { get; set; }
Property Value
Type Description
double
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BarAngleOffset

Sets or gets the angle offset for the slider bar. Offset value means start position of the slider bar.

Declaration

                
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public double BarAngleOffset { get; set; }
Property Value
Type Description
double
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BarColor

Sets or gets the color of the circle slider bar.

Declaration

                
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public Color BarColor { get; set; }
Property Value
Type Description
Color
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BarLineWidth

Sets or gets the line width of the circle slider bar.

Declaration

                
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public int BarLineWidth { get; set; }
Property Value
Type Description
int
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BarRadius

Gets or sets the radius value for the circle slider bar.

Declaration

                
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public double BarRadius { get; set; }
Property Value
Type Description
double
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CircleHandle

Gets the handle for the Circle widget.

Declaration

                
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public virtual IntPtr CircleHandle { get; }
Property Value
Type Description
System.IntPtr
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CircleSurface

Gets the handle for the circle surface used in this widget.

Declaration

                
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public virtual CircleSurface CircleSurface { get; }
Property Value
Type Description
CircleSurface
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IsEnabled

Sets or gets the state of the widget, which might be enabled or disabled.

Declaration

                
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public override bool IsEnabled { get; set; }
Property Value
Type Description
bool
Overrides
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Maximum

Sets or gets the maximum values for the circle slider.

Declaration

                
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public double Maximum { get; set; }
Property Value
Type Description
double
Remarks

This defines the allowed maximum values to be selected by the user. If the actual value is bigger than the maximum value, it is updated to the maximum value. Actual value can be obtained with Value. By default, the minimum value is equal to 0.0, and the maximum value is equal to 1.0. Maximum must be greater than minimum, otherwise the behavior is undefined.

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Minimum

Sets or gets the minimum values for the circle slider.

Declaration

                
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public double Minimum { get; set; }
Property Value
Type Description
double
Remarks

This defines the allowed minimum values to be selected by the user. If the actual value is less than the minimum value, it is updated to the minimum value. Actual value can be obtained with Value. By default, minimum value is equal to 0.0.

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Step

Sets or gets the step by which the circle slider bar moves.

Declaration

                
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public double Step { get; set; }
Property Value
Type Description
double
Remarks

This value is used when the circle slider value is changed by a drag or the Rotary event. The value of the slider is increased/decreased by the step value.

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Value

Gets or sets the value displayed by the circle slider.

Declaration

                
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public double Value { get; set; }
Property Value
Type Description
double
Remarks

The value must be between minimum and maximum.

Methods

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CreateHandle(EvasObject)

Creates a widget handle.

Declaration

                
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protected override IntPtr CreateHandle(EvasObject parent)
Parameters
Type Name Description
EvasObject parent

Parent EvasObject
Returns
Type Description
System.IntPtr

Handle IntPtr.
Overrides
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OnRealized()

The callback of the Realized event.

Declaration

                
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protected override void OnRealized()
Overrides

Events

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ValueChanged

Changed will be triggered when the circle slider value changes.

Declaration

                
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public event EventHandler ValueChanged
Event Type
Type Description
System.EventHandler

Implements

Extension Methods