Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Media / Animation / ControllableStoryboardAction.cs / 1305600 / ControllableStoryboardAction.cs
/****************************************************************************\ * * File: ControllableStoryboardAction.cs * * This object includes a named Storyboard references. When triggered, the * name is resolved and passed to a derived class method to perform the * actual action. * * Copyright (C) by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System.ComponentModel; // DefaultValueAttribute using System.Diagnostics; // Debug.Assert using System.Windows.Documents; // TableTemplate using System.Windows.Markup; // INameScope namespace System.Windows.Media.Animation { ////// A controllable storyboard action associates a trigger action with a /// Storyboard. The association from this object is a string that is the name /// of the Storyboard in a resource dictionary. /// public abstract class ControllableStoryboardAction : TriggerAction { ////// Internal constructor - nobody is supposed to ever create an instance /// of this class. Use a derived class instead. /// internal ControllableStoryboardAction() { } ////// Name to use for resolving the storyboard reference needed. This /// points to a BeginStoryboard instance, and we're controlling that one. /// [DefaultValue(null)] public string BeginStoryboardName { get { return _beginStoryboardName; } set { if (IsSealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "ControllableStoryboardAction")); } // Null is allowed to wipe out existing name - as long as another // valid name is set before Invoke time. _beginStoryboardName = value; } } internal sealed override void Invoke( FrameworkElement fe, FrameworkContentElement fce, Style targetStyle, FrameworkTemplate frameworkTemplate, Int64 layer ) { Debug.Assert( fe != null || fce != null, "Caller of internal function failed to verify that we have a FE or FCE - we have neither." ); Debug.Assert( targetStyle != null || frameworkTemplate != null, "This function expects to be called when the associated action is inside a Style/Template. But it was not given a reference to anything." ); INameScope nameScope = null; if( targetStyle != null ) { nameScope = targetStyle; } else { Debug.Assert( frameworkTemplate != null ); nameScope = frameworkTemplate; } Invoke( fe, fce, GetStoryboard( fe, fce, nameScope ) ); } internal sealed override void Invoke( FrameworkElement fe ) { Debug.Assert( fe != null, "Invoke needs an object as starting point"); Invoke( fe, null, GetStoryboard( fe, null, null ) ); } internal virtual void Invoke( FrameworkElement containingFE, FrameworkContentElement containingFCE, Storyboard storyboard ) { } // Find a Storyboard object for this StoryboardAction to act on, using the // given BeginStoryboardName to find a BeginStoryboard instance and use // its Storyboard object reference. private Storyboard GetStoryboard( FrameworkElement fe, FrameworkContentElement fce, INameScope nameScope ) { if( BeginStoryboardName == null ) { throw new InvalidOperationException(SR.Get(SRID.Storyboard_BeginStoryboardNameRequired)); } BeginStoryboard keyedBeginStoryboard = Storyboard.ResolveBeginStoryboardName( BeginStoryboardName, nameScope, fe, fce ); Storyboard storyboard = keyedBeginStoryboard.Storyboard; if( storyboard == null ) { throw new InvalidOperationException(SR.Get(SRID.Storyboard_BeginStoryboardNoStoryboard, BeginStoryboardName)); } return storyboard; } private string _beginStoryboardName = null; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: ControllableStoryboardAction.cs * * This object includes a named Storyboard references. When triggered, the * name is resolved and passed to a derived class method to perform the * actual action. * * Copyright (C) by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System.ComponentModel; // DefaultValueAttribute using System.Diagnostics; // Debug.Assert using System.Windows.Documents; // TableTemplate using System.Windows.Markup; // INameScope namespace System.Windows.Media.Animation { ////// A controllable storyboard action associates a trigger action with a /// Storyboard. The association from this object is a string that is the name /// of the Storyboard in a resource dictionary. /// public abstract class ControllableStoryboardAction : TriggerAction { ////// Internal constructor - nobody is supposed to ever create an instance /// of this class. Use a derived class instead. /// internal ControllableStoryboardAction() { } ////// Name to use for resolving the storyboard reference needed. This /// points to a BeginStoryboard instance, and we're controlling that one. /// [DefaultValue(null)] public string BeginStoryboardName { get { return _beginStoryboardName; } set { if (IsSealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "ControllableStoryboardAction")); } // Null is allowed to wipe out existing name - as long as another // valid name is set before Invoke time. _beginStoryboardName = value; } } internal sealed override void Invoke( FrameworkElement fe, FrameworkContentElement fce, Style targetStyle, FrameworkTemplate frameworkTemplate, Int64 layer ) { Debug.Assert( fe != null || fce != null, "Caller of internal function failed to verify that we have a FE or FCE - we have neither." ); Debug.Assert( targetStyle != null || frameworkTemplate != null, "This function expects to be called when the associated action is inside a Style/Template. But it was not given a reference to anything." ); INameScope nameScope = null; if( targetStyle != null ) { nameScope = targetStyle; } else { Debug.Assert( frameworkTemplate != null ); nameScope = frameworkTemplate; } Invoke( fe, fce, GetStoryboard( fe, fce, nameScope ) ); } internal sealed override void Invoke( FrameworkElement fe ) { Debug.Assert( fe != null, "Invoke needs an object as starting point"); Invoke( fe, null, GetStoryboard( fe, null, null ) ); } internal virtual void Invoke( FrameworkElement containingFE, FrameworkContentElement containingFCE, Storyboard storyboard ) { } // Find a Storyboard object for this StoryboardAction to act on, using the // given BeginStoryboardName to find a BeginStoryboard instance and use // its Storyboard object reference. private Storyboard GetStoryboard( FrameworkElement fe, FrameworkContentElement fce, INameScope nameScope ) { if( BeginStoryboardName == null ) { throw new InvalidOperationException(SR.Get(SRID.Storyboard_BeginStoryboardNameRequired)); } BeginStoryboard keyedBeginStoryboard = Storyboard.ResolveBeginStoryboardName( BeginStoryboardName, nameScope, fe, fce ); Storyboard storyboard = keyedBeginStoryboard.Storyboard; if( storyboard == null ) { throw new InvalidOperationException(SR.Get(SRID.Storyboard_BeginStoryboardNoStoryboard, BeginStoryboardName)); } return storyboard; } private string _beginStoryboardName = null; } } // 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
- SafeNativeMethods.cs
- Tuple.cs
- CompModSwitches.cs
- TransformCollection.cs
- InputMethodStateChangeEventArgs.cs
- AutomationPropertyInfo.cs
- GradientPanel.cs
- DeadCharTextComposition.cs
- TextRange.cs
- JpegBitmapDecoder.cs
- HttpServerUtilityWrapper.cs
- Crc32.cs
- ToolStripOverflow.cs
- UnaryExpression.cs
- PropertyConverter.cs
- QuotaExceededException.cs
- DataGridItemAttachedStorage.cs
- RuntimeArgumentHandle.cs
- DependencyStoreSurrogate.cs
- PermissionRequestEvidence.cs
- NestedContainer.cs
- DetailsView.cs
- IncrementalReadDecoders.cs
- PartialCachingAttribute.cs
- UnaryNode.cs
- JavascriptXmlWriterWrapper.cs
- BasicBrowserDialog.designer.cs
- TransportSecurityHelpers.cs
- StylusCaptureWithinProperty.cs
- PriorityChain.cs
- ProfileProvider.cs
- SelfIssuedAuthProofToken.cs
- RoleService.cs
- SafeViewOfFileHandle.cs
- AnimationClockResource.cs
- TextParaClient.cs
- PrintEvent.cs
- CustomErrorCollection.cs
- CellParaClient.cs
- ExpanderAutomationPeer.cs
- CompensatableTransactionScopeActivity.cs
- MasterPageCodeDomTreeGenerator.cs
- Peer.cs
- PropVariant.cs
- GridToolTip.cs
- NetDispatcherFaultException.cs
- ChangeBlockUndoRecord.cs
- TraceHandler.cs
- TdsParserStaticMethods.cs
- EmptyQuery.cs
- Stopwatch.cs
- ApplicationInfo.cs
- LOSFormatter.cs
- RepeaterItem.cs
- OrderToken.cs
- BrowserCapabilitiesFactory.cs
- FloaterParaClient.cs
- AdornerPresentationContext.cs
- FontClient.cs
- LocalFileSettingsProvider.cs
- HelpInfo.cs
- DataGridRowDetailsEventArgs.cs
- AdRotator.cs
- InvalidOperationException.cs
- ResourcePermissionBaseEntry.cs
- XmlnsDictionary.cs
- DataPagerFieldCommandEventArgs.cs
- ConfigurationProperty.cs
- ScrollProperties.cs
- ExpressionBuilderCollection.cs
- ImageMapEventArgs.cs
- HttpStreamMessage.cs
- ObjectDisposedException.cs
- InProcStateClientManager.cs
- PropertyValueChangedEvent.cs
- DbModificationClause.cs
- SequentialOutput.cs
- Utils.cs
- PeerResolverElement.cs
- ArgumentOutOfRangeException.cs
- FontStyleConverter.cs
- PageBreakRecord.cs
- DataGridDefaultColumnWidthTypeConverter.cs
- ScriptReferenceBase.cs
- CompilationLock.cs
- ScriptControlDescriptor.cs
- JavaScriptObjectDeserializer.cs
- CodeArrayCreateExpression.cs
- HyperLinkStyle.cs
- ISAPIWorkerRequest.cs
- HttpServerChannel.cs
- MediaTimeline.cs
- LinqDataSourceView.cs
- ReferencedType.cs
- sitestring.cs
- BuildProviderCollection.cs
- CryptographicAttribute.cs
- PropertyDescriptorGridEntry.cs
- PersistenceProvider.cs
- GlyphInfoList.cs