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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 class.

public CircularThumb()

Properties

ArrowAngle

The arrow angle.

public double ArrowAngle { get; set; }

Property Value

double:

The default value is 180.0.

IsDragging

Indicates 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

The background Brush to render when the thumb is pressed.

public Brush? PressedBackground { get; set; }

Property Value

Brush:

The default value is null.

Methods

OnApplyTemplate()

When overridden in a derived class, is invoked whenever application code or internal processes call ApplyTemplate().

public override void OnApplyTemplate()

OnCreateAutomationPeer()

Returns class-specific AutomationPeer implementations for the Windows Presentation Foundation (WPF) infrastructure.

protected override AutomationPeer OnCreateAutomationPeer()

Returns

AutomationPeer:

The type-specific AutomationPeer implementation.

OnGotFocus(RoutedEventArgs)

Invoked whenever an unhandled GotFocus event reaches this element in its route.

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

The RoutedEventArgs that contains the event data.

OnLostFocus(RoutedEventArgs)

Raises the LostFocus routed event by using the event data that is provided.

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

A RoutedEventArgs that contains event data. This event data must contain the identifier for the LostFocus event.

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

Defines the ArrowAngle property.

public static readonly DependencyProperty ArrowAngleProperty

IsDraggingProperty

Defines the IsDragging property.

public static readonly DependencyProperty IsDraggingProperty

PressedBackgroundProperty

Defines the PressedBackground property.

public static readonly DependencyProperty PressedBackgroundProperty

Extension Methods