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
- CommandHelpers.cs
- AnnotationDocumentPaginator.cs
- JsonGlobals.cs
- HwndTarget.cs
- ResourceReferenceExpressionConverter.cs
- CodeGenerator.cs
- ManagementScope.cs
- MetadataImporter.cs
- ColorConvertedBitmap.cs
- Brushes.cs
- SqlCacheDependencyDatabase.cs
- FieldDescriptor.cs
- Error.cs
- SetUserPreferenceRequest.cs
- ListItemParagraph.cs
- StsCommunicationException.cs
- ProtocolsConfigurationHandler.cs
- WpfKnownMember.cs
- HandoffBehavior.cs
- EdgeProfileValidation.cs
- RelationshipNavigation.cs
- ThousandthOfEmRealDoubles.cs
- PenContext.cs
- UnsafeNativeMethods.cs
- SemaphoreFullException.cs
- RadioButtonAutomationPeer.cs
- ErrorEventArgs.cs
- UidManager.cs
- ExtenderControl.cs
- HostedTcpTransportManager.cs
- ClientFormsAuthenticationCredentials.cs
- AttributeUsageAttribute.cs
- ProfilePropertySettings.cs
- MultiPageTextView.cs
- ParamArrayAttribute.cs
- ReaderContextStackData.cs
- TypeInfo.cs
- EditingScope.cs
- SqlAliasesReferenced.cs
- CompilerGlobalScopeAttribute.cs
- ChangePasswordDesigner.cs
- DataControlCommands.cs
- LocalizableResourceBuilder.cs
- XmlLanguageConverter.cs
- updateconfighost.cs
- HttpContext.cs
- HtmlHistory.cs
- CurrentChangingEventManager.cs
- WebBrowsableAttribute.cs
- DataBindEngine.cs
- WebPartMenuStyle.cs
- FunctionImportElement.cs
- dsa.cs
- IOException.cs
- UInt64Storage.cs
- SqlTypeConverter.cs
- TransportChannelListener.cs
- DataTableClearEvent.cs
- WebMessageBodyStyleHelper.cs
- WindowInteractionStateTracker.cs
- LinqDataSourceStatusEventArgs.cs
- DataGridViewDesigner.cs
- StyleModeStack.cs
- ToolStripContainer.cs
- HtmlElementCollection.cs
- DelegateBodyWriter.cs
- Model3DGroup.cs
- LocatorBase.cs
- codemethodreferenceexpression.cs
- ProfileGroupSettingsCollection.cs
- DrawToolTipEventArgs.cs
- MailAddressParser.cs
- ResourceDictionaryCollection.cs
- BindingMemberInfo.cs
- KnownTypesProvider.cs
- MethodToken.cs
- smtppermission.cs
- PrinterResolution.cs
- WindowsRichEdit.cs
- ServiceRouteHandler.cs
- ImageMapEventArgs.cs
- ColorTransformHelper.cs
- XamlFilter.cs
- EntityDesignPluralizationHandler.cs
- CodeTypeParameter.cs
- ExpressionVisitorHelpers.cs
- GradientSpreadMethodValidation.cs
- SimpleTypesSurrogate.cs
- CssClassPropertyAttribute.cs
- DisplayInformation.cs
- safemediahandle.cs
- Funcletizer.cs
- SessionStateItemCollection.cs
- MemberAssignment.cs
- AsnEncodedData.cs
- RecognizedAudio.cs
- TypeConverterAttribute.cs
- ReadWriteObjectLock.cs
- SafeEventLogWriteHandle.cs
- EditingCommands.cs