Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / 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
- TrackingStringDictionary.cs
- SerialReceived.cs
- ObjectToken.cs
- ChildTable.cs
- SqlStatistics.cs
- String.cs
- EnumCodeDomSerializer.cs
- Base64Decoder.cs
- SystemIcmpV6Statistics.cs
- SubMenuStyleCollection.cs
- PointAnimationBase.cs
- WsrmMessageInfo.cs
- RoleService.cs
- SecurityPermission.cs
- DataGridViewRowEventArgs.cs
- ItemDragEvent.cs
- MsmqIntegrationBindingElement.cs
- WindowsAuthenticationModule.cs
- ButtonDesigner.cs
- AsyncDataRequest.cs
- DataSourceSelectArguments.cs
- SQLMoneyStorage.cs
- followingquery.cs
- TextEndOfSegment.cs
- RecordBuilder.cs
- ClosableStream.cs
- XXXInfos.cs
- XmlSchemaRedefine.cs
- Filter.cs
- DirectoryNotFoundException.cs
- TextChange.cs
- IssuedTokenParametersElement.cs
- EncryptedPackage.cs
- DummyDataSource.cs
- __TransparentProxy.cs
- BufferedStream.cs
- PermissionSetTriple.cs
- ObjectContextServiceProvider.cs
- TokenBasedSet.cs
- ListDictionary.cs
- DataBindingCollectionEditor.cs
- VariantWrapper.cs
- TargetFrameworkUtil.cs
- UInt16.cs
- TransformerConfigurationWizardBase.cs
- FrameworkContentElement.cs
- StreamGeometry.cs
- UriTemplateVariablePathSegment.cs
- XmlTextEncoder.cs
- DefaultPrintController.cs
- BuildManagerHost.cs
- ResourcesGenerator.cs
- KeyGestureConverter.cs
- ShaperBuffers.cs
- ListViewDeletedEventArgs.cs
- RelationshipConstraintValidator.cs
- ipaddressinformationcollection.cs
- _FixedSizeReader.cs
- SqlCrossApplyToCrossJoin.cs
- Vector3DCollectionConverter.cs
- GridViewHeaderRowPresenterAutomationPeer.cs
- ListViewGroup.cs
- FormViewDeletedEventArgs.cs
- CubicEase.cs
- NativeMethodsCLR.cs
- Content.cs
- ComboBoxRenderer.cs
- MenuCommand.cs
- SafeTimerHandle.cs
- ControlIdConverter.cs
- XhtmlTextWriter.cs
- DynamicQueryableWrapper.cs
- lengthconverter.cs
- Itemizer.cs
- DbParameterCollection.cs
- SoapHeaders.cs
- WindowsContainer.cs
- Button.cs
- AttributeParameterInfo.cs
- Rectangle.cs
- EventSinkHelperWriter.cs
- IndexOutOfRangeException.cs
- ValidatorUtils.cs
- ChangeToolStripParentVerb.cs
- TypeConstant.cs
- QuadraticBezierSegment.cs
- MD5.cs
- SerializationObjectManager.cs
- EdmToObjectNamespaceMap.cs
- CacheMemory.cs
- PageTheme.cs
- _Events.cs
- DataGridViewEditingControlShowingEventArgs.cs
- PaperSize.cs
- PropertyFilterAttribute.cs
- ResetableIterator.cs
- ProfileParameter.cs
- HelpProvider.cs
- CodeTypeReferenceExpression.cs
- FileSystemEventArgs.cs