PointerBase Class

public abstract class PointerBase : GaugeElement, ILogicalParent, IVisualParent

protected PointerBase()

public Brush Background { get; set; }

Property Value

Brush:

The background brush. The default value is DarkGray.

public Brush BorderBrush { get; set; }

Property Value

Brush:

The border brush. The default value is Black.

public DashStyle BorderDashStyle { get; set; }

Property Value

DashStyle:

The border dash style. The default value is DashStyle.Solid.

public double BorderWidth { get; set; }

Property Value

double:

The border width. The default value is 0.

public bool CanDrag { get; set; }

Property Value

bool:

true if the pointer can be dragged by the mouse, false. The default value is false.

public Duration DampeningMaximumDuration { get; set; }

Property Value

Duration:

The maximum Duration of the dampening effect. The default value is 750 milliseconds.

public Duration DampeningMinimumDuration { get; set; }

Property Value

Duration:

The minimum Duration of the dampening effect. The default value is 250 milliseconds.

public double DisplayValue { get; protected set; }

Property Value

double:

The display value. The default value is 0.

public Cursor DragCursor { get; set; }

Property Value

Cursor:

The Cursor used during drag operations. The default value is Cursors.Hand.

public bool HasDropShadow { get; set; }

Property Value

bool:

true if this instance has a drop shadow; otherwise, false. The default value is true.

public bool IsDragging { get; }

Property Value

bool:

true if the pointer is currently being dragged by the mouse; otherwise, false. The default value is false.

public bool IsDraggingAnimated { get; set; }

Property Value

bool:

true if the pointer is animated when it is being dragged; otherwise, false. The default value is false.

protected bool IsLogarithmic { get; }

Property Value

bool:

true if this instance uses a logarithmic scale; otherwise, false.

protected bool IsReversed { get; }

Property Value

bool:

true if this instance is reversed; otherwise, false.

public bool IsSnappingEnabled { get; set; }

Property Value

bool:

true if the Value should be snapped to a specified interval; otherwise, false. The default value is false.

public bool IsValueChangedEventRaised { get; set; }

Property Value

bool:

true if the ValueChanged should be raised; otherwise, false. The default value is true.

public bool IsValueChangingEventRaised { get; set; }

Property Value

bool:

true if the ValueChanging should be raised; otherwise, false. The default value is false.

protected double LogarithmicBase { get; }

Property Value

double:

The logarithm base.

protected double Maximum { get; }

Property Value

double:

The maximum value.

protected double Minimum { get; }

Property Value

double:

The minimum value.

public Unit PointerAscent { get; set; }

Property Value

Unit:

The ascent of the pointer. The default value is 0 pixels.

public Unit PointerExtent { get; set; }

Property Value

Unit:

The extent of the pointer. The default value is 0 pixels.

public Duration RefreshRate { get; set; }

Property Value

Duration:

The Duration between value updates. The default value is 0.0 milliseconds.

public Unit ScaleOffset { get; set; }

Property Value

Unit:

The scale offset. The default value is 0px.

public ScalePlacement ScalePlacement { get; set; }

Property Value

ScalePlacement:

The scale placement. The default value is ScalePlacement.Overlay.

public double SnappingInterval { get; set; }

Property Value

double:

The interval to which the value is snapped. The default value is 1.

public PointerSnappingMode SnappingMode { get; set; }

Property Value

PointerSnappingMode:

A PointerSnappingMode that indicates the snapping mode of the pointer when snapping is enabled. The default value is Default, which always snaps when snapping is enabled.

public double ThrottledValue { get; }

Property Value

double:

The throttled value.

public double Value { get; set; }

Property Value

double:

The value. The default value is 0.

protected abstract double CalculateValue(Point point)

Parameter	Type	Description
point	Point	The point.

Returns

double:

The value of specified point.

public void CancelDrag()

Remarks

If a PointerBase is currently dragging, this method removes mouse capture and restores the previous value.

protected override AutomationPeer OnCreateAutomationPeer()

Returns

AutomationPeer

protected override void OnKeyDown(KeyEventArgs e)

Parameter	Type	Description
e	KeyEventArgs	The KeyEventArgs that contains the event data.

protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)

Parameter	Type	Description
e	MouseButtonEventArgs	The MouseButtonEventArgs that contains the event data. The event data reports that the left mouse button was pressed.

protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)

Parameter	Type	Description
e	MouseButtonEventArgs	The MouseButtonEventArgs that contains the event data. The event data reports that the left mouse button was released.

protected override void OnMouseMove(MouseEventArgs e)

Parameter	Type	Description
e	MouseEventArgs	The MouseEventArgs that contains the event data.

protected virtual void OnValueChanged(double oldValue, double newValue)

Parameter	Type	Description
oldValue	double	The old property value.
newValue	double	The new property value.

public void StartDrag(MouseButtonEventArgs e)

Parameter	Type	Description
e	MouseButtonEventArgs	The source MouseButtonEventArgs that can be used to capture the pointer.

protected virtual void UpdateValue(Point point)

Parameter	Type	Description
point	Point	The point.

public event EventHandler<DoublePropertyChangedRoutedEventArgs> ValueChanged

Event Type

EventHandler<DoublePropertyChangedRoutedEventArgs>

public event EventHandler<DoublePropertyChangingRoutedEventArgs> ValueChanging

Event Type

EventHandler<DoublePropertyChangingRoutedEventArgs>

public static readonly DependencyProperty BackgroundProperty

public static readonly DependencyProperty BorderBrushProperty

public static readonly DependencyProperty BorderDashStyleProperty

public static readonly DependencyProperty BorderWidthProperty

public static readonly DependencyProperty CanDragProperty

public static readonly DependencyProperty DampeningMaximumDurationProperty

public static readonly DependencyProperty DampeningMinimumDurationProperty

public static readonly DependencyProperty DisplayValueProperty

public static readonly DependencyProperty DragCursorProperty

public static readonly DependencyProperty HasDropShadowProperty

public static readonly DependencyProperty IsDraggingAnimatedProperty

public static readonly DependencyProperty IsDraggingProperty

public static readonly DependencyProperty IsSnappingEnabledProperty

public static readonly DependencyProperty IsValueChangedEventRaisedProperty

public static readonly DependencyProperty IsValueChangingEventRaisedProperty

public static readonly DependencyProperty PointerAscentProperty

public static readonly DependencyProperty PointerExtentProperty

public static readonly DependencyProperty RefreshRateProperty

public static readonly DependencyProperty ScaleOffsetProperty

public static readonly DependencyProperty ScalePlacementProperty

public static readonly DependencyProperty SnappingIntervalProperty

public static readonly DependencyProperty SnappingModeProperty

public static readonly DependencyProperty ThrottledValueProperty

public static readonly RoutedEvent ValueChangedEvent

public static readonly RoutedEvent ValueChangingEvent

public static readonly DependencyProperty ValueProperty