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In This Article

CircularThumb Class

Namespace:
ActiproSoftware.Windows.Controls.Primitives
Assembly:
ActiproSoftware.Shared.Wpf.dll

Represents a circular thumb used to change values in a various input control.

[TemplatePart(Name = "PART_Arrow", Type = typeof(UIElement))]
[TemplateVisualState(Name = "Normal", GroupName = "CommonStates")]
[TemplateVisualState(Name = "PointerOver", GroupName = "CommonStates")]
[TemplateVisualState(Name = "Pressed", GroupName = "CommonStates")]
[TemplateVisualState(Name = "Disabled", GroupName = "CommonStates")]
[TemplateVisualState(Name = "Focused", GroupName = "FocusStates")]
[TemplateVisualState(Name = "PointerFocused", GroupName = "FocusStates")]
[TemplateVisualState(Name = "Unfocused", GroupName = "FocusStates")]
public class CircularThumb : Control
Inheritance:
object Visual UIElement FrameworkElement Control object

Constructors

CircularThumb()

Initializes an instance of the CircularThumb class.

public CircularThumb()

Properties

ArrowAngle

Gets or sets the arrow angle.

public double ArrowAngle { get; set; }

Property Value

double:

The arrow angle. The default value is 180.0.

IsDragging

Gets whether the thumb is being dragged by a pointer.

public bool IsDragging { get; }

Property Value

bool:

true if the thumb is being dragged by a pointer; otherwise, false.

PressedBackground

Gets or sets the background Brush to render when the thumb is pressed.

public Brush PressedBackground { get; set; }

Property Value

Brush:

The background Brush to render when the thumb is pressed.

Methods

OnApplyTemplate()

Invoked whenever application code or internal processes call ApplyTemplate.

public override void OnApplyTemplate()

OnCreateAutomationPeer()

Returns an AutomationPeer object for this control instance.

protected override AutomationPeer OnCreateAutomationPeer()

Returns

AutomationPeer:

An AutomationPeer instance.

OnGotFocus(RoutedEventArgs)

Occurs when the control gains focus.

protected override void OnGotFocus(RoutedEventArgs e)
Parameter Type Description
e RoutedEventArgs

The RoutedEventArgs that contains the event data.

OnLostFocus(RoutedEventArgs)

Occurs when the control loses focus.

protected override void OnLostFocus(RoutedEventArgs e)
Parameter Type Description
e RoutedEventArgs

The RoutedEventArgs that contains the event data.

StartDrag(InputPointerButtonEventArgs)

Starts a thumb drag.

public void StartDrag(InputPointerButtonEventArgs sourceEventArgs)
Parameter Type Description
sourceEventArgs InputPointerButtonEventArgs

The source InputPointerButtonEventArgs, which can be used to capture the pointer.

Fields

ArrowAngleProperty

Identifies the ArrowAngle dependency property. This field is read-only.

public static readonly DependencyProperty ArrowAngleProperty

IsDraggingProperty

Identifies the IsDragging dependency property. This field is read-only.

public static readonly DependencyProperty IsDraggingProperty

PressedBackgroundProperty

Identifies the PressedBackground dependency property. This field is read-only.

public static readonly DependencyProperty PressedBackgroundProperty