Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Animation / TimelineGroup.cs / 1 / TimelineGroup.cs
//---------------------------------------------------------------------------- //// Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System.ComponentModel; using System.Diagnostics; using System.Runtime.InteropServices; using System.Windows.Markup; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Animation { ////// This class represents base class for Timelines that have functionality /// related to having Children. /// [ContentProperty("Children")] public abstract partial class TimelineGroup : Timeline, IAddChild { #region Constructors ////// Creates a TimelineGroup with default properties. /// protected TimelineGroup() : base() { } ////// Creates a TimelineGroup with the specified BeginTime. /// /// /// The scheduled BeginTime for this TimelineGroup. /// protected TimelineGroup(NullablebeginTime) : base(beginTime) { } /// /// Creates a TimelineGroup with the specified begin time and duration. /// /// /// The scheduled BeginTime for this TimelineGroup. /// /// /// The simple Duration of this TimelineGroup. /// protected TimelineGroup(NullablebeginTime, Duration duration) : base(beginTime, duration) { } /// /// Creates a TimelineGroup with the specified BeginTime, Duration and RepeatBehavior. /// /// /// The scheduled BeginTime for this TimelineGroup. /// /// /// The simple Duration of this TimelineGroup. /// /// /// The RepeatBehavior for this TimelineGroup. /// protected TimelineGroup(NullablebeginTime, Duration duration, RepeatBehavior repeatBehavior) : base(beginTime, duration, repeatBehavior) { } #endregion #region Timeline /// /// /// ///protected internal override Clock AllocateClock() { return new ClockGroup(this); } /// /// Creates a new ClockGroup using this TimelineGroup. /// ///A new ClockGroup. new public ClockGroup CreateClock() { return (ClockGroup)base.CreateClock(); } #endregion #region IAddChild interface ////// Adds a child object to this TimelineGroup. /// /// /// The child object to add. /// ////// A Timeline only accepts another Timeline (or derived class) as /// a child. /// void IAddChild.AddChild(object child) { WritePreamble(); if (child == null) { throw new ArgumentNullException("child"); } AddChild(child); WritePostscript(); } ////// This method performs the core functionality of the AddChild() /// method on the IAddChild interface. For a Timeline this means /// determining adding the child parameter to the Children collection /// if it's a Timeline. /// ////// This method is the only core implementation. It does not call /// WritePreamble() or WritePostscript(). It also doesn't throw an /// ArgumentNullException if the child parameter is null. These tasks /// are performed by the interface implementation. Therefore, it's OK /// for a derived class to override this method and call the base /// class implementation only if they determine that it's the right /// course of action. The derived class can rely on Timeline's /// implementation of IAddChild.AddChild or implement their own /// following the Freezable pattern since that would be a public /// method. /// /// An object representing the child that /// should be added. If this is a Timeline it will be added to the /// Children collection; otherwise an exception will be thrown. ///The child parameter is not a /// Timeline. [EditorBrowsable(EditorBrowsableState.Advanced)] protected virtual void AddChild(object child) { Timeline timelineChild = child as Timeline; if (timelineChild == null) { throw new ArgumentException(SR.Get(SRID.Timing_ChildMustBeTimeline), "child"); } else { Children.Add(timelineChild); } } ////// Adds a text string as a child of this Timeline. /// /// /// The text to add. /// ////// A Timeline does not accept text as a child, so this method will /// raise an InvalididOperationException unless a derived class has /// overridden the behavior to add text. /// ///The childText parameter is /// null. void IAddChild.AddText(string childText) { WritePreamble(); if (childText == null) { throw new ArgumentNullException("childText"); } AddText(childText); WritePostscript(); } ////// This method performs the core functionality of the AddText() /// method on the IAddChild interface. For a Timeline this means /// throwing and InvalidOperationException because it doesn't /// support adding text. /// ////// This method is the only core implementation. It does not call /// WritePreamble() or WritePostscript(). It also doesn't throw an /// ArgumentNullException if the childText parameter is null. These tasks /// are performed by the interface implementation. Therefore, it's OK /// for a derived class to override this method and call the base /// class implementation only if they determine that it's the right /// course of action. The derived class can rely on Timeline's /// implementation of IAddChild.AddChild or implement their own /// following the Freezable pattern since that would be a public /// method. /// /// A string representing the child text that /// should be added. If this is a Timeline an exception will be /// thrown. ///Timelines have no way /// of adding text. [EditorBrowsable(EditorBrowsableState.Advanced)] protected virtual void AddText(string childText) { throw new InvalidOperationException(SR.Get(SRID.Timing_NoTextChildren)); } #endregion // IAddChild interface } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Throw.cs
- ThicknessKeyFrameCollection.cs
- BinHexDecoder.cs
- AttributeAction.cs
- OleDbMetaDataFactory.cs
- PerformanceCounterLib.cs
- ExpressionNormalizer.cs
- SetStoryboardSpeedRatio.cs
- BitmapSourceSafeMILHandle.cs
- BindingSource.cs
- InitiatorSessionSymmetricTransportSecurityProtocol.cs
- StringExpressionSet.cs
- Margins.cs
- RecognizerInfo.cs
- SelectionListComponentEditor.cs
- TemplateControlCodeDomTreeGenerator.cs
- RecognitionResult.cs
- FormattedTextSymbols.cs
- ServicePointManager.cs
- ClientSettingsSection.cs
- SecurityRuntime.cs
- FamilyTypefaceCollection.cs
- PostBackOptions.cs
- AttributeEmitter.cs
- WindowVisualStateTracker.cs
- SerializationIncompleteException.cs
- CompositionAdorner.cs
- ConfigurationProperty.cs
- RowUpdatedEventArgs.cs
- BitmapEffectGeneralTransform.cs
- Thread.cs
- HttpApplication.cs
- DesignerActionItemCollection.cs
- TimeSpan.cs
- Vector3dCollection.cs
- InvalidOperationException.cs
- AlternateView.cs
- ResourcesChangeInfo.cs
- HyperLink.cs
- MouseButtonEventArgs.cs
- ReflectEventDescriptor.cs
- ObjectSet.cs
- ExceptionRoutedEventArgs.cs
- Point3DCollection.cs
- AdapterSwitches.cs
- TreeBuilderXamlTranslator.cs
- SourceLineInfo.cs
- FixedHighlight.cs
- EntitySqlQueryBuilder.cs
- CheckedPointers.cs
- FilteredXmlReader.cs
- Transform.cs
- AssociationSetMetadata.cs
- AutomationPeer.cs
- DuplicateWaitObjectException.cs
- NamedPipeProcessProtocolHandler.cs
- RenderDataDrawingContext.cs
- EmulateRecognizeCompletedEventArgs.cs
- XmlWriter.cs
- CodeRemoveEventStatement.cs
- DateTimeUtil.cs
- XmlSchemaDocumentation.cs
- ConstraintManager.cs
- WebPartTransformerCollection.cs
- BezierSegment.cs
- LogConverter.cs
- VectorCollection.cs
- ProfileBuildProvider.cs
- DataControlFieldCell.cs
- PreProcessInputEventArgs.cs
- SolidBrush.cs
- CodeTypeMember.cs
- ToolStripDropDownItem.cs
- ForEachAction.cs
- TransportSecurityHelpers.cs
- NamespaceList.cs
- RunInstallerAttribute.cs
- StylusButtonCollection.cs
- Encoding.cs
- Rectangle.cs
- CategoryNameCollection.cs
- MultiBinding.cs
- Baml2006KeyRecord.cs
- processwaithandle.cs
- XmlText.cs
- ChtmlSelectionListAdapter.cs
- CompilationUtil.cs
- Function.cs
- SecurityIdentifierElement.cs
- StructuredType.cs
- ObjectSet.cs
- NameScope.cs
- ExpressionVisitor.cs
- XmlSchemaImport.cs
- DataSourceXmlTextReader.cs
- BaseComponentEditor.cs
- OdbcRowUpdatingEvent.cs
- StorageConditionPropertyMapping.cs
- ProgressBar.cs
- HideDisabledControlAdapter.cs