Class Thumb

Represents a control that can be dragged by the user.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
Thumb
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Controls.Primitives
Assembly: OpenSilver.dll
Syntax
public sealed class Thumb : Control, IControl, IFrameworkElement, IUIElement, IDependencyObject

Constructors

| Improve this Doc View Source

Thumb()

Initializes a new instance of the Thumb class.

Declaration
public Thumb()

Fields

| Improve this Doc View Source

IsDraggingProperty

Identifies the IsDragging dependency property.

Declaration
public static readonly DependencyProperty IsDraggingProperty
Field Value
Type Description
DependencyProperty
| Improve this Doc View Source

IsFocusedProperty

Gets the identifier for the IsFocused dependency property.

Declaration
public static readonly DependencyProperty IsFocusedProperty
Field Value
Type Description
DependencyProperty

Properties

| Improve this Doc View Source

IsDragging

Gets whether the Thumb control has focus and mouse capture.

Declaration
public bool IsDragging { get; }
Property Value
Type Description
System.Boolean

true if the Thumb control has focus and mouse capture; otherwise false. The default is false.
| Improve this Doc View Source

IsFocused

Gets whether the thumb has focus.

Declaration
public bool IsFocused { get; }
Property Value
Type Description
System.Boolean
Remarks

true to indicate the thumb has focus; otherwise false. The default is false.

Methods

| Improve this Doc View Source

CancelDrag()

Cancels a drag operation for the Thumb.

Declaration
public void CancelDrag()
| Improve this Doc View Source

OnApplyTemplate()

Builds the visual tree for the Thumb control when a new template is applied.

Declaration
public override void OnApplyTemplate()
Overrides
| Improve this Doc View Source

OnCreateAutomationPeer()

When implemented in a derived class, returns class-specific AutomationPeer implementations for the Silverlight automation infrastructure.

Declaration
protected override AutomationPeer OnCreateAutomationPeer()
Returns
Type Description
AutomationPeer

The class-specific AutomationPeer subclass to return.
Overrides
| Improve this Doc View Source

OnGotFocus(RoutedEventArgs)

Called before the GotFocus event occurs.

Declaration
protected override void OnGotFocus(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

The data for the event.
Overrides
| Improve this Doc View Source

OnLostFocus(RoutedEventArgs)

Called before the LostFocus event occurs.

Declaration
protected override void OnLostFocus(RoutedEventArgs e)
Parameters
Type Name Description
RoutedEventArgs e

The data for the event.
Overrides
| Improve this Doc View Source

OnLostMouseCapture(MouseEventArgs)

Called before the LostMouseCapture event occurs to provide handling for the event in a derived class without attaching a delegate.

Declaration
protected override void OnLostMouseCapture(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e

A MouseEventArgs that contains the event data.
Overrides
| Improve this Doc View Source

OnMouseEnter(MouseEventArgs)

Raises the PointerEntered event

Declaration
protected override void OnMouseEnter(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e
Overrides
| Improve this Doc View Source

OnMouseLeave(MouseEventArgs)

Raises the PointerExited event

Declaration
protected override void OnMouseLeave(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e
Overrides
| Improve this Doc View Source

OnMouseLeftButtonDown(MouseButtonEventArgs)

Raises the PointerPressed event

Declaration
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
Parameters
Type Name Description
MouseButtonEventArgs e
Overrides
| Improve this Doc View Source

OnMouseLeftButtonUp(MouseButtonEventArgs)

Declaration
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
Parameters
Type Name Description
MouseButtonEventArgs e
Overrides
| Improve this Doc View Source

OnMouseMove(MouseEventArgs)

Raises the PointerMoved event

Declaration
protected override void OnMouseMove(MouseEventArgs e)
Parameters
Type Name Description
MouseEventArgs e
Overrides

Events

| Improve this Doc View Source

DragCompleted

Occurs when the Thumb control loses mouse capture.

Declaration
public event DragCompletedEventHandler DragCompleted
Event Type
Type Description
DragCompletedEventHandler
| Improve this Doc View Source

DragDelta

Occurs one or more times as the mouse pointer is moved when a Thumb control has logical focus and mouse capture.

Declaration
public event DragDeltaEventHandler DragDelta
Event Type
Type Description
DragDeltaEventHandler
| Improve this Doc View Source

DragStarted

Occurs when a Thumb control receives logical focus and mouse capture.

Declaration
public event DragStartedEventHandler DragStarted
Event Type
Type Description
DragStartedEventHandler

Extension Methods