Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / Media / Animation / ControllableStoryboardAction.cs / 1 / 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
- SecurityState.cs
- ClientApiGenerator.cs
- Object.cs
- GeometryDrawing.cs
- TypeDependencyAttribute.cs
- NavigatorInput.cs
- SspiNegotiationTokenProviderState.cs
- ActiveXSerializer.cs
- XmlAttributeOverrides.cs
- ActiveXSite.cs
- EntityContainerRelationshipSet.cs
- AccessDataSourceWizardForm.cs
- MembershipUser.cs
- DataKey.cs
- DataGridViewSelectedColumnCollection.cs
- CompoundFileStreamReference.cs
- StrokeNodeOperations2.cs
- ExcCanonicalXml.cs
- WindowsImpersonationContext.cs
- SID.cs
- ValueUtilsSmi.cs
- XmlObjectSerializerReadContextComplex.cs
- BindingMAnagerBase.cs
- ManagementQuery.cs
- XmlSchemaComplexContent.cs
- LayoutDump.cs
- RegexCapture.cs
- TemplatedWizardStep.cs
- Random.cs
- FileSecurity.cs
- InProcStateClientManager.cs
- ContentHostHelper.cs
- MemberRelationshipService.cs
- TypeElement.cs
- SchemaTypeEmitter.cs
- EmptyQuery.cs
- CharConverter.cs
- ViewBase.cs
- XmlSchemaSearchPattern.cs
- JumpPath.cs
- StandardBindingImporter.cs
- ToolBarButton.cs
- CompositeScriptReferenceEventArgs.cs
- UnsafeNativeMethods.cs
- DbException.cs
- CellPartitioner.cs
- DelimitedListTraceListener.cs
- ProfileServiceManager.cs
- DataTableMapping.cs
- InstanceDataCollection.cs
- FormatterServices.cs
- ManagementInstaller.cs
- PieceDirectory.cs
- CustomWebEventKey.cs
- _NtlmClient.cs
- TreeNodeStyle.cs
- cookiecollection.cs
- SpeakCompletedEventArgs.cs
- Path.cs
- WeakReferenceList.cs
- XmlNamespaceDeclarationsAttribute.cs
- StyleCollection.cs
- DbSetClause.cs
- IOThreadScheduler.cs
- FamilyCollection.cs
- XmlIlGenerator.cs
- OperationAbortedException.cs
- StructuralCache.cs
- CodeLinePragma.cs
- MultipartContentParser.cs
- TargetInvocationException.cs
- EmptyEnumerator.cs
- CheckoutException.cs
- InputGestureCollection.cs
- TableCell.cs
- QuadraticEase.cs
- DBCommandBuilder.cs
- CapiHashAlgorithm.cs
- BrushConverter.cs
- SplitterPanel.cs
- ChildrenQuery.cs
- SqlDataSourceEnumerator.cs
- DeviceSpecificChoice.cs
- PriorityQueue.cs
- brushes.cs
- XmlQuerySequence.cs
- NetworkInformationException.cs
- EventLogRecord.cs
- DetailsViewRow.cs
- LayoutInformation.cs
- AlgoModule.cs
- GuidConverter.cs
- InputLanguage.cs
- ComponentResourceKeyConverter.cs
- PersianCalendar.cs
- XPathAxisIterator.cs
- MetadataItemCollectionFactory.cs
- PlainXmlDeserializer.cs
- HtmlInputImage.cs
- DWriteFactory.cs