Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Animation / ParallelTimeline.cs / 1 / ParallelTimeline.cs
//---------------------------------------------------------------------------- //// Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using MS.Internal; using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.ComponentModel; namespace System.Windows.Media.Animation { ////// This class represents a group of Timelines where the children /// become active according to the value of their Begin property rather /// than their specific order in the Children collection. Children /// are also able to overlap and run in parallel with each other. /// public partial class ParallelTimeline : TimelineGroup { #region Constructors ////// Creates a ParallelTimeline with default properties. /// public ParallelTimeline() : base() { } ////// Creates a ParallelTimeline with the specified BeginTime. /// /// /// The scheduled BeginTime for this ParallelTimeline. /// public ParallelTimeline(TimeSpan? beginTime) : base(beginTime) { } ////// Creates a ParallelTimeline with the specified begin time and duration. /// /// /// The scheduled BeginTime for this ParallelTimeline. /// /// /// The simple Duration of this ParallelTimeline. /// public ParallelTimeline(TimeSpan? beginTime, Duration duration) : base(beginTime, duration) { } ////// Creates a ParallelTimeline with the specified BeginTime, Duration and RepeatBehavior. /// /// /// The scheduled BeginTime for this ParallelTimeline. /// /// /// The simple Duration of this ParallelTimeline. /// /// /// The RepeatBehavior for this ParallelTimeline. /// public ParallelTimeline(TimeSpan? beginTime, Duration duration, RepeatBehavior repeatBehavior) : base(beginTime, duration, repeatBehavior) { } #endregion #region Methods ////// Return the duration from a specific clock /// /// /// The Clock whose natural duration is desired. /// ////// A Duration quantity representing the natural duration. /// protected override Duration GetNaturalDurationCore(Clock clock) { Duration simpleDuration = TimeSpan.Zero; ClockGroup clockGroup = clock as ClockGroup; if (clockGroup != null) { Listchildren = clockGroup.InternalChildren; // The container ends when all of its children have ended at least // one of their active periods. if (children != null) { bool hasChildWithUnresolvedDuration = false; for (int childIndex = 0; childIndex < children.Count; childIndex++) { Duration childEndOfActivePeriod = children[childIndex].EndOfActivePeriod; if (childEndOfActivePeriod == Duration.Forever) { // If we have even one child with a duration of forever // our resolved duration will also be forever. It doesn't // matter if other children have unresolved durations. return Duration.Forever; } else if (childEndOfActivePeriod == Duration.Automatic) { hasChildWithUnresolvedDuration = true; } else if (childEndOfActivePeriod > simpleDuration) { simpleDuration = childEndOfActivePeriod; } } // We've iterated through all our children. We know that at this // point none of them have a duration of Forever or we would have // returned already. If any of them still have unresolved // durations then our duration is also still unresolved and we // will return automatic. Otherwise, we'll fall out of the 'if' // block and return the simpleDuration as our final resolved // duration. if (hasChildWithUnresolvedDuration) { return Duration.Automatic; } } } return simpleDuration; } #endregion #region SlipBehavior Property /// /// SlipBehavior Property /// public static readonly DependencyProperty SlipBehaviorProperty = DependencyProperty.Register( "SlipBehavior", typeof(SlipBehavior), typeof(ParallelTimeline), new PropertyMetadata( SlipBehavior.Grow, new PropertyChangedCallback(ParallelTimeline_PropertyChangedFunction)), new ValidateValueCallback(ValidateSlipBehavior)); private static bool ValidateSlipBehavior(object value) { return TimeEnumHelper.IsValidSlipBehavior((SlipBehavior)value); } ////// Returns the SlipBehavior for this ClockGroup /// [DefaultValue(SlipBehavior.Grow)] public SlipBehavior SlipBehavior { get { return (SlipBehavior)GetValue(SlipBehaviorProperty); } set { SetValue(SlipBehaviorProperty, value); } } internal static void ParallelTimeline_PropertyChangedFunction(DependencyObject d, DependencyPropertyChangedEventArgs e) { ((ParallelTimeline)d).PropertyChanged(e.Property); } #endregion // SlipBehavior Property } } // 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
- GeometryGroup.cs
- DataMemberConverter.cs
- ToolStripComboBox.cs
- MissingSatelliteAssemblyException.cs
- OleDbConnectionInternal.cs
- OpCopier.cs
- RegexRunnerFactory.cs
- mediaclock.cs
- PersonalizationStateInfo.cs
- PathFigureCollection.cs
- PrivateUnsafeNativeCompoundFileMethods.cs
- RectConverter.cs
- BufferedGraphicsManager.cs
- SqlPersonalizationProvider.cs
- PointLightBase.cs
- ConfigurationStrings.cs
- ChtmlTextBoxAdapter.cs
- DataRelationPropertyDescriptor.cs
- Sql8ExpressionRewriter.cs
- DataViewSetting.cs
- AuthenticationService.cs
- EventlogProvider.cs
- MdiWindowListStrip.cs
- TrackingMemoryStream.cs
- Scanner.cs
- LogArchiveSnapshot.cs
- EntityDataSourceWrapperPropertyDescriptor.cs
- TextTreeDeleteContentUndoUnit.cs
- DispatcherEventArgs.cs
- CharacterBufferReference.cs
- TextEditorTables.cs
- BrowserCapabilitiesCompiler.cs
- ReliabilityContractAttribute.cs
- storagemappingitemcollection.viewdictionary.cs
- Translator.cs
- TextContainerHelper.cs
- Cloud.cs
- RichTextBoxAutomationPeer.cs
- ChtmlSelectionListAdapter.cs
- login.cs
- XPathNode.cs
- UniqueSet.cs
- EventMappingSettings.cs
- CodeSnippetCompileUnit.cs
- DbConnectionFactory.cs
- cookieexception.cs
- RegisteredScript.cs
- parserscommon.cs
- DataGridRelationshipRow.cs
- XamlParser.cs
- ElementNotEnabledException.cs
- SudsCommon.cs
- OracleMonthSpan.cs
- SafeMILHandle.cs
- XPathPatternBuilder.cs
- Propagator.JoinPropagator.JoinPredicateVisitor.cs
- DropSource.cs
- RadioButtonList.cs
- SafeRightsManagementQueryHandle.cs
- TypeContext.cs
- CorrelationInitializer.cs
- X509SubjectKeyIdentifierClause.cs
- XmlNode.cs
- SmiRequestExecutor.cs
- UnsafeNativeMethods.cs
- DrawingAttributesDefaultValueFactory.cs
- WizardForm.cs
- MessageQueueException.cs
- SqlUtil.cs
- WebColorConverter.cs
- SocketAddress.cs
- ItemDragEvent.cs
- Compiler.cs
- StringFormat.cs
- ListControlBuilder.cs
- CellTreeSimplifier.cs
- RangeBase.cs
- Point3DCollectionConverter.cs
- OutOfMemoryException.cs
- TargetInvocationException.cs
- RectangleHotSpot.cs
- NameNode.cs
- WeakReference.cs
- SqlServices.cs
- BindingCompleteEventArgs.cs
- PointConverter.cs
- ShapingEngine.cs
- ObjectStateEntry.cs
- IPHostEntry.cs
- TextServicesDisplayAttribute.cs
- Automation.cs
- SafeHandle.cs
- ListViewContainer.cs
- QilInvoke.cs
- DropShadowEffect.cs
- FileNotFoundException.cs
- XmlSchemaAttribute.cs
- UIPermission.cs
- TaiwanCalendar.cs
- OuterGlowBitmapEffect.cs