Class
DocumentRulerElement

Definition

Namespace:Telerik.WinControls.RichTextEditor.UI

Assembly:Telerik.WinControls.RichTextEditor.dll

Syntax:

cs-api-definition
public class DocumentRulerElement : ContentControl, IDisposable, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IStylableNode, ISupportDrop

Inheritance: objectDisposableObjectRadObjectRadElementVisualElementUIElementFrameworkElementContentControlDocumentRulerElement

Implements: ICustomTypeDescriptorIDisposableINotifyPropertyChangedIStylableNodeISupportDropISupportSystemSkin

Inherited Members ContentControl.DpiScaleChanged(SizeF)ContentControl.ContentFrameworkElement.RenderTransformPropertyFrameworkElement.RenderTransformOriginPropertyFrameworkElement.CursorPropertyFrameworkElement.ForegroundPropertyFrameworkElement.HeightPropertyFrameworkElement.WidthPropertyFrameworkElement.InitializeFields()FrameworkElement.MeasureOverride(SizeF)FrameworkElement.GetClientRectangle(SizeF)FrameworkElement.PaintElement(IGraphics, float, SizeF)FrameworkElement.PostPaintChildren(IGraphics, Rectangle, float, SizeF)FrameworkElement.DragDrop(Point, ISupportDrag)FrameworkElement.DragOver(Point, ISupportDrag)FrameworkElement.DragEnter(Point, ISupportDrag)FrameworkElement.DragLeave(Point, ISupportDrag)FrameworkElement.FlowDirectionFrameworkElement.WidthFrameworkElement.HeightFrameworkElement.ActualHeightFrameworkElement.ActualWidthFrameworkElement.CursorFrameworkElement.RenderTransformOriginFrameworkElement.MouseOverBorderThicknessFrameworkElement.BorderBrushFrameworkElement.BackgroundFrameworkElement.HorizontalAlignmentFrameworkElement.VerticalAlignmentFrameworkElement.HorizontalContentAlignmentFrameworkElement.VerticalContentAlignmentFrameworkElement.AllowDropUIElement.TextPropertyUIElement.FlowDirectionPropertyUIElement.ClipPropertyUIElement.UpdateRenderTransform()UIElement.CaptureMouse()UIElement.ReleaseMouseCapture()UIElement.Paint(IPaintingContext)UIElement.CanPaint(IPaintingContext)UIElement.PaintCore(IPaintingContext)UIElement.ClearValue(RadProperty)UIElement.IsKeyboardFocusWithin()UIElement.OnMouseLeftButtonDown(MouseButtonEventArgs)UIElement.OnMouseLeftButtonUp(MouseButtonEventArgs)UIElement.OnMouseRightButtonDown(MouseButtonEventArgs)UIElement.OnMouseRightButtonUp(MouseButtonEventArgs)UIElement.OnMouseClick(MouseButtonEventArgs)UIElement.OnMouseDoubleClick(MouseButtonEventArgs)UIElement.HitTest(Point)UIElement.GetClipRect()UIElement.DoClick(EventArgs)UIElement.DoDoubleClick(EventArgs)UIElement.OnMouseDown(MouseEventArgs)UIElement.DoMouseWheel(MouseEventArgs)UIElement.DoMouseMove(MouseEventArgs)UIElement.OnMouseUp(MouseEventArgs)UIElement.OnBubbleEvent(RadElement, RoutedEventArgs)UIElement.OnClick(EventArgs)UIElement.OnDoubleClick(EventArgs)UIElement.OnPropertyChanged(RadPropertyChangedEventArgs)UIElement.OnLostFocus(EventArgs)UIElement.OnGotFocus(EventArgs)UIElement.OnBoundsChanged(RadPropertyChangedEventArgs)UIElement.IsFocusableUIElement.TextUIElement.AutomationIDUIElement.RenderTransformUIElement.ClipUIElement.IsHitTestVisibleUIElement.DispatcherUIElement.HasReceivedFocusUIElement.MouseLeftButtonDownUIElement.MouseLeftButtonUpUIElement.MouseRightButtonDownUIElement.MouseRightButtonUpUIElement.MouseClickUIElement.MouseDoubleClickUIElement.MouseEnterUIElement.GotFocusUIElement.LostFocusVisualElement.DefaultSizePropertyVisualElement.ForeColorPropertyVisualElement.BackColorPropertyVisualElement.FontPropertyVisualElement.SmoothingModePropertyVisualElement.OpacityPropertyVisualElement.CustomFontPropertyVisualElement.CustomFontSizePropertyVisualElement.CustomFontStylePropertyVisualElement.OnFontChanged(EventArgs)VisualElement.PaintChildren(IGraphics, Rectangle, float, SizeF, bool)VisualElement.PrePaintElement(IGraphics)VisualElement.PostPaintElement(IGraphics)VisualElement.GetScaledFont(float)VisualElement.GetScaledFont(float, Font)VisualElement.DefaultSizeVisualElement.ForeColorVisualElement.BackColorVisualElement.FontVisualElement.CustomFontVisualElement.CustomFontSizeVisualElement.CustomFontStyleVisualElement.SmoothingModeVisualElement.OpacityVisualElement.FontChangedRadElement.BoundsPropertyRadElement.BorderThicknessPropertyRadElement.PaddingPropertyRadElement.MarginPropertyRadElement.AlignmentPropertyRadElement.AutoSizeModePropertyRadElement.FitToSizeModePropertyRadElement.MinSizePropertyRadElement.EnabledPropertyRadElement.CanFocusPropertyRadElement.IsItemFocusedPropertyRadElement.IsFocusedPropertyRadElement.IsMouseOverPropertyRadElement.IsMouseOverElementPropertyRadElement.IsMouseDownPropertyRadElement.ShouldPaintPropertyRadElement.VisibilityPropertyRadElement.NamePropertyRadElement.ClassPropertyRadElement.ClipDrawingPropertyRadElement.ShapePropertyRadElement.MouseClickedEventRadElement.MouseDoubleClickedEventRadElement.MouseDownEventRadElement.MouseUpEventRadElement.MouseWheelEventRadElement.ChildElementAddedEventRadElement.ParentChangedEventRadElement.BoundsChangedEventRadElement.VisibilityChangingEventRadElement.EnabledChangedEventRadElement.ControlChangedEventRadElement.BackgroundShapePropertyRadElement.BackgroundShapePaintModePropertyRadElement.ContainsFocusPropertyRadElement.ContainsMousePropertyRadElement.MaxSizePropertyRadElement.RightToLeftPropertyRadElement.AutoSizePropertyRadElement.ZIndexPropertyRadElement.AngleTransformPropertyRadElement.ScaleTransformPropertyRadElement.PositionOffsetPropertyRadElement.TagPropertyRadElement.StretchHorizontallyPropertyRadElement.StretchVerticallyPropertyRadElement.UseCompatibleTextRenderingPropertyRadElement.ClickModePropertyRadElement.styleVersionRadElement.paintSystemSkinRadElement.SetPropertyValueCommandRadElement.GetPropertyValueCommandRadElement.StylePropertyRadElement.CallCreateChildElements()RadElement.SuspendReferenceUpdate()RadElement.ResumeReferenceUpdate()RadElement.CreateChildElements()RadElement.OnLoad(bool)RadElement.LoadCore()RadElement.OnLoaded()RadElement.OnUnload(ComponentThemableElementTree, bool)RadElement.UnloadCore(ComponentThemableElementTree)RadElement.OnUnloaded(ComponentThemableElementTree)RadElement.OnElementTreeChanged(ComponentThemableElementTree)RadElement.OnBeginDispose()RadElement.SetParent(RadElement)RadElement.OnParentChanged(RadElement)RadElement.UpdateReferences(ComponentThemableElementTree, bool, bool)RadElement.ResetLayout(bool)RadElement.HasInvisibleAncestor()RadElement.ResetLayoutCore()RadElement.InvalidateArrange()RadElement.InvalidateArrange(bool)RadElement.InvalidateMeasure()RadElement.InvalidateMeasure(bool)RadElement.UpdateLayout()RadElement.SuspendLayout()RadElement.SuspendLayout(bool)RadElement.ResumeLayout(bool)RadElement.ResumeLayout(bool, bool)RadElement.Arrange(RectangleF)RadElement.Measure(SizeF)RadElement.SetBounds(Rectangle)RadElement.SetBounds(int, int, int, int)RadElement.GetBoundingRectangle(Size)RadElement.GetBoundingRectangle(Rectangle)RadElement.GetDesiredSize(bool)RadElement.PointToScreen(Point)RadElement.PointFromScreen(Point)RadElement.PointToControl(Point)RadElement.PointFromControl(Point)RadElement.LocationToControl()RadElement.RectangleToScreen(Rectangle)RadElement.OnRenderSizeChanged(SizeChangedInfo)RadElement.OnChildDesiredSizeChanged(RadElement)RadElement.OnLayoutPropertyChanged(RadPropertyChangedEventArgs)RadElement.ArrangeCore(RectangleF)RadElement.MeasureCore(SizeF)RadElement.ShouldArrangeChild(RadElement)RadElement.ShouldMeasureChild(RadElement)RadElement.MeasureChildren(SizeF)RadElement.GetArrangeRect(RectangleF)RadElement.CanExecuteLayoutOperation()RadElement.CalcLayoutOffset(PointF)RadElement.LockBounds()RadElement.UnlockBounds()RadElement.SetBoundsCore(Rectangle)RadElement.IsInValidState(bool)RadElement.Invalidate()RadElement.Invalidate(bool)RadElement.GetInvalidateBounds()RadElement.NotifyInvalidate(RadElement)RadElement.OnTransformationInvalidated()RadElement.PerformLayoutTransformation(ref RadMatrix)RadElement.PerformPaintTransformation(ref RadMatrix)RadElement.IsInGetAsBitmap()RadElement.PaintElementSkin(IGraphics)RadElement.PaintOverride(IGraphics, Rectangle, float, SizeF, bool)RadElement.PaintBackgroundShape(IGraphics)RadElement.PaintChild(RadElement, IGraphics, Rectangle, float, SizeF, bool)RadElement.PaintShadow(RadElement, IGraphics)RadElement.PaintShadowCore(Graphics, Rectangle, RadItem)RadElement.GetShadowRect(ref Rectangle, int)RadElement.PaintFocusCues(IGraphics, Rectangle)RadElement.GetAsBitmap(IGraphics, Brush, float, SizeF)RadElement.GetAsTransformedBitmap(IGraphics, Brush, float, SizeF)RadElement.GetAsTransformedBitmap(Brush, float, SizeF)RadElement.GetAsTransformedBitmap(Rectangle, Brush, float, SizeF)RadElement.GetAsBitmapEx(Color, float, SizeF)RadElement.GetAsBitmapEx(Brush, float, SizeF)RadElement.GetAsBitmap(Brush, float, SizeF)RadElement.IsInVisibleClipBounds(Rectangle)RadElement.SetClipping(Graphics)RadElement.ShouldPaintChild(RadElement)RadElement.GetFocusRect()RadElement.GetCurrentShape()RadElement.GetPaintRectangle(float, float, SizeF)RadElement.GetPatchedRect(RectangleF, float, SizeF)RadElement.GetXPVisualStyle()RadElement.GetVistaVisualStyle()RadElement.InitializeSystemSkinPaint()RadElement.UnitializeSystemSkinPaint()RadElement.GetSystemSkinPaintBounds()RadElement.OnUseSystemSkinChanged(EventArgs)RadElement.ShouldPaintSystemSkin()RadElement.ComposeShouldPaintSystemSkin()RadElement.GetStylablePropertiesFilter()RadElement.ResetStyleSettings(bool)RadElement.ResetStyleSettings(bool, RadProperty)RadElement.ProcessBehaviors(RadPropertyChangedEventArgs)RadElement.AddBehavior(PropertyChangeBehavior)RadElement.GetBehaviors()RadElement.RemoveBehavior(PropertyChangeBehavior)RadElement.ClearBehaviors()RadElement.AddRangeBehavior(PropertyChangeBehaviorCollection)RadElement.SetThemeApplied(bool)RadElement.OnStyleChanged(RadPropertyChangedEventArgs)RadElement.UnapplyStyle()RadElement.RemoveRangeBehaviors(PropertyChangeBehaviorCollection)RadElement.RemoveBehaviors(PropertyChangeBehavior)RadElement.RemoveRangeRoutedEventBehaviors(RoutedEventBehaviorCollection)RadElement.GetThemeEffectiveType()RadElement.GetChildrenByType(Type)RadElement.GetChildrenByBaseType(Type)RadElement.FindAncestorByThemeEffectiveType(Type)RadElement.FindAncestor<T>()RadElement.IsAncestorOf(RadElement)RadElement.FindDescendant<T>()RadElement.FindDescendant(Predicate<RadElement>)RadElement.FindDescendant(Type)RadElement.EnumDescendants(TreeTraversalMode)RadElement.EnumDescendants(Predicate<RadElement>, TreeTraversalMode)RadElement.EnumDescendants(Filter, TreeTraversalMode)RadElement.GetDescendants(Predicate<RadElement>, TreeTraversalMode)RadElement.GetDescendants(Filter, TreeTraversalMode)RadElement.GetAncestors(Filter)RadElement.GetAncestors(Predicate<RadElement>)RadElement.RaiseRoutedEvent(RadElement, RoutedEventArgs)RadElement.RaiseTunnelEvent(RadElement, RoutedEventArgs)RadElement.RaiseBubbleEvent(RadElement, RoutedEventArgs)RadElement.OnTunnelEvent(RadElement, RoutedEventArgs)RadElement.IsEventInProcess(RaisedRoutedEvent)RadElement.RegisterRoutedEvent(string, Type)RadElement.GetRegisterRoutedEvent(string, Type)RadElement.GetRegisterRoutedEvent(string, string)RadElement.GetRegisterRoutedEvent(string)RadElement.OnChildrenChanged(RadElement, ItemsChangeOperation)RadElement.GetChildren(ChildrenListOptions)RadElement.SendToBack()RadElement.BringToFront()RadElement.IsChildOf(RadElement)RadElement.Focus()RadElement.Focus(bool)RadElement.SetFocusPropertySafe(bool)RadElement.KillFocus()RadElement.OnCLREventsRise(RoutedEventArgs)RadElement.OnMouseHover(EventArgs)RadElement.OnEnabledChanged(RadPropertyChangedEventArgs)RadElement.OnParentEnabledChanged(RadPropertyChangedEventArgs)RadElement.OnLostMouseCapture(MouseEventArgs)RadElement.OnMouseEnter(EventArgs)RadElement.OnMouseLeave(EventArgs)RadElement.PerformClick()RadElement.OnMouseWheel(MouseEventArgs)RadElement.IsInputKey(InputKeyEventArgs)RadElement.MouseEventArgsFromControl(MouseEventArgs)RadElement.DoMouseDown(MouseEventArgs)RadElement.DoMouseUp(MouseEventArgs)RadElement.ShowScreenTip(ScreenTipNeededEventArgs)RadElement.HideScreenTip()RadElement.DoMouseHover(EventArgs)RadElement.OnShowScreenTip(ComponentInputBehavior)RadElement.RaiseClick(EventArgs)RadElement.RaiseDoubleClick(EventArgs)RadElement.RaiseMouseWheel(MouseEventArgs)RadElement.UpdateContainsFocus(bool)RadElement.DoMouseEnter(EventArgs)RadElement.DoMouseLeave(EventArgs)RadElement.GetValue(RadProperty)RadElement.AddStylePropertySetting(IPropertySetting)RadElement.SetValueCore(RadPropertyValue, object, object, ValueSource)RadElement.NotifyChildren(RadPropertyChangedEventArgs)RadElement.OnLocationChanged(RadPropertyChangedEventArgs)RadElement.OnDisplayPropertyChanged(RadPropertyChangedEventArgs)RadElement.CanRaisePropertyChangeNotifications(RadPropertyValue)RadElement.IsPropertyCancelable(RadPropertyMetadata)RadElement.OnParentPropertyChanged(RadPropertyChangedEventArgs)RadElement.ReplaceDefaultDescriptors(PropertyDescriptorCollection)RadElement.ToString()RadElement.DisposeManagedResources()RadElement.PerformDispose(bool)RadElement.DisposeChildren()RadElement.GetStylableChildrenHierarchy()RadElement.GetStylableChildren()RadElement.GetBorderThickness(BorderPrimitive)RadElement.ElementStateRadElement.DesiredSizeRadElement.IsLayoutSuspendedRadElement.BoundingRectangleRadElement.ControlBoundingRectangleRadElement.BypassLayoutPoliciesRadElement.IsArrangeValidRadElement.IsMeasureValidRadElement.TreeLevelRadElement.TransformRadElement.TotalTransformRadElement.ShouldPaintUsingParentShapeRadElement.UseSystemSkinRadElement.CanHaveOwnStyleRadElement.PropagateStyleToChildrenRadElement.ThemeEffectiveTypeRadElement.ElementTreeRadElement.ChildrenRadElement.ChildrenHierarchyRadElement.ParentRadElement.RoutedEventBehaviorsRadElement.LayoutableChildrenCountRadElement.ContainsFocusRadElement.ShouldHandleMouseInputRadElement.NotifyParentOnMouseInputRadElement.IsAbleToRespondToMouseEventsRadElement.AutoSizeRadElement.BoundsRadElement.LocationRadElement.SizeRadElement.BorderThicknessRadElement.PaddingRadElement.MarginRadElement.AlignmentRadElement.AutoSizeModeRadElement.FitToSizeModeRadElement.EnabledRadElement.CanFocusRadElement.IsFocusedRadElement.IsMouseOverRadElement.IsMouseOverElementRadElement.IsMouseDownRadElement.InvalidateChildrenOnChildChangedRadElement.ShouldPaintRadElement.VisibilityRadElement.IsElementVisibleRadElement.NameRadElement.ClassRadElement.ClipDrawingRadElement.ShapeRadElement.MinSizeRadElement.MaxSizeRadElement.ZIndexRadElement.RightToLeftRadElement.UseCompatibleTextRenderingRadElement.BackgroundShapeRadElement.BackgroundShapePaintModeRadElement.ContainsMouseRadElement.CaptureRadElement.ScaleTransformRadElement.AngleTransformRadElement.PositionOffsetRadElement.SerializePropertiesRadElement.SerializeElementRadElement.SerializeChildrenRadElement.RenderingMaxFramerateRadElement.IsThemeAppliedRadElement.ShouldApplyThemeRadElement.UseCenteredAngleTransformRadElement.TagRadElement.StretchHorizontallyRadElement.StretchVerticallyRadElement.ClickModeRadElement.DoubleClickEnabledRadElement.CaptureOnMouseDownRadElement.IsItemHoveredRadElement.StyleRadElement.ToolTipTextRadElement.AutoToolTipRadElement.ScreenTipRadElement.AutoNumberKeyTipRadElement.DpiScaleFactorRadElement.LayoutUpdatedRadElement.MouseHoverRadElement.MouseMoveRadElement.MouseDownRadElement.MouseUpRadElement.ClickRadElement.DoubleClickRadElement.MouseWheelRadElement.EnabledChangedRadElement.MouseLeaveRadElement.ChildrenChangedRadElement.LostMouseCaptureRadObject.BindingContextPropertyRadObject.RadTypeRadObject.ClearPropertyStore()RadObject.SuspendPropertyNotifications()RadObject.ResumePropertyNotifications()RadObject.GetPropertyValue(RadProperty)RadObject.SetDefaultValueOverride(RadProperty, object)RadObject.SetValue(RadProperty, object)RadObject.ResetValue(RadProperty)RadObject.ResetLocalValue(RadProperty)RadObject.ResetValue(RadProperty, ValueResetFlags)RadObject.UpdateValue(RadProperty)RadObject.GetValueSource(RadProperty)RadObject.GetRegisteredRadProperty(string)RadObject.UpdateValueCore(RadPropertyValue)RadObject.ResetValueCore(RadPropertyValue, ValueResetFlags)RadObject.GetDefaultValue(RadPropertyValue, object)RadObject.CoerceValue(RadPropertyValue, object)RadObject.ShouldSerializeProperty(RadProperty)RadObject.BindProperty(RadProperty, RadObject, RadProperty, PropertyBindingOptions)RadObject.UnbindProperty(RadProperty)RadObject.GetInheritedValue(RadProperty)RadObject.OnNotifyPropertyChanged(string)RadObject.OnNotifyPropertyChanged(PropertyChangedEventArgs)RadObject.OnShouldSerializeProperty(ShouldSerializePropertyEventArgs)RadObject.PropertyValuesRadObject.PropertyFilterRadObject.RadObjectTypeRadObject.BindingContextRadObject.PropertyChangedRadObject.RadPropertyChangedRadObject.RadPropertyChangingDisposableObject.GetBitState(long)DisposableObject.SetBitState(long, bool)DisposableObject.OnBitStateChanged(long, bool, bool)DisposableObject.Dispose()DisposableObject.Dispose(bool)DisposableObject.DisposeUnmanagedResources()DisposableObject.BitStateDisposableObject.EventsDisposableObject.IsDisposingDisposableObject.IsDisposedDisposableObject.DisposedDisposableObject.Disposing

Constructors

DocumentRulerElement()

Declaration

cs-api-definition
public DocumentRulerElement()

Fields

ControllerProperty

Declaration

cs-api-definition
public static readonly RadProperty ControllerProperty

Field Value

RadProperty

IsReadOnlyProperty

Declaration

cs-api-definition
public static readonly RadProperty IsReadOnlyProperty

Field Value

RadProperty

MarkersBrushProperty

Declaration

cs-api-definition
public static readonly RadProperty MarkersBrushProperty

Field Value

RadProperty

MeasurementUnitProperty

Declaration

cs-api-definition
public static readonly RadProperty MeasurementUnitProperty

Field Value

RadProperty

Properties

AssociatedRichTextBox

Gets or sets the associated RadRichTextBox. This is a dependency property.

Declaration

cs-api-definition
public RadRichTextBox AssociatedRichTextBox { get; set; }

Property Value

RadRichTextBox

The associated rich text box.

Controller

Declaration

cs-api-definition
public IDocumentRulerController Controller { get; set; }

Property Value

IDocumentRulerController

CreateHorizontalRuler

Declaration

cs-api-definition
public bool CreateHorizontalRuler { get; set; }

Property Value

bool

CreateVerticalRuler

Declaration

cs-api-definition
public bool CreateVerticalRuler { get; set; }

Property Value

bool

DefaultRulerThumbType

Declaration

cs-api-definition
public RulerThumbType DefaultRulerThumbType { get; set; }

Property Value

RulerThumbType

HorizontalRulerHeight

Declaration

cs-api-definition
public int HorizontalRulerHeight { get; set; }

Property Value

int

IsReadOnly

Declaration

cs-api-definition
public bool IsReadOnly { get; set; }

Property Value

bool

MarkersBrush

Declaration

cs-api-definition
public Brush MarkersBrush { get; set; }

Property Value

Brush

MarkersContainerThickness

Declaration

cs-api-definition
public int MarkersContainerThickness { get; set; }

Property Value

int

MeasurementUnit

Declaration

cs-api-definition
public UnitTypes MeasurementUnit { get; set; }

Property Value

UnitTypes

VerticalRulerWidth

Declaration

cs-api-definition
public int VerticalRulerWidth { get; set; }

Property Value

int

Methods

ArrangeOverride(SizeF)

Arranges the RadElement to its final location. The element must call the Arrange method of each of its children.

Declaration

cs-api-definition
protected override SizeF ArrangeOverride(SizeF finalSize)

Parameters

finalSize

SizeF

The size that is available for element.

Returns

SizeF

The rectangle occupied by the element. Usually finalSize. Should you return different size, the Layout system will restart measuring and rearranging the items. That could lead to infinite recursion.

Overrides RadElement.ArrangeOverride(SizeF)

Remarks

In this method call to the Arrange method of each child must be made.

OnApplyTemplate()

Declaration

cs-api-definition
public override void OnApplyTemplate()

Overrides FrameworkElement.OnApplyTemplate()

OnAssociatedRichTextBoxChanged(RadRichTextBox, RadRichTextBox)

Declaration

cs-api-definition
protected virtual void OnAssociatedRichTextBoxChanged(RadRichTextBox oldRichTextBox, RadRichTextBox newRichTextBox)

Parameters

oldRichTextBox

RadRichTextBox

newRichTextBox

RadRichTextBox

OnMouseMove(MouseEventArgs)

Declaration

cs-api-definition
protected override void OnMouseMove(MouseEventArgs e)

Parameters

e

MouseEventArgs

Overrides RadElement.OnMouseMove(MouseEventArgs)

OnPropertyChanging(RadPropertyChangingEventArgs)

Called before a property value is changed, allowing for validation or cancellation.

Declaration

cs-api-definition
protected override void OnPropertyChanging(RadPropertyChangingEventArgs args)

Parameters

args

RadPropertyChangingEventArgs

The property changing event arguments.

Overrides VisualElement.OnPropertyChanging(RadPropertyChangingEventArgs)