Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / 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
- SeverityFilter.cs
- LockingPersistenceProvider.cs
- StorageModelBuildProvider.cs
- BinaryCommonClasses.cs
- SchemaComplexType.cs
- ComponentEvent.cs
- AccessibilityHelperForXpWin2k3.cs
- SupportsEventValidationAttribute.cs
- DataControlFieldHeaderCell.cs
- SharedUtils.cs
- ListenerChannelContext.cs
- FixedDocument.cs
- XmlnsPrefixAttribute.cs
- MsmqMessage.cs
- FunctionImportElement.cs
- precedingsibling.cs
- TrackingProfile.cs
- SqlDataSourceConfigureSelectPanel.cs
- SmtpSection.cs
- KeyboardNavigation.cs
- DataGridRow.cs
- RandomNumberGenerator.cs
- TrackingConditionCollection.cs
- ReflectionServiceProvider.cs
- NameValuePair.cs
- DataGridParentRows.cs
- RankException.cs
- ConfigurationValidatorBase.cs
- FamilyTypeface.cs
- TemplateNameScope.cs
- BlobPersonalizationState.cs
- WindowsContainer.cs
- SQLRoleProvider.cs
- HealthMonitoringSectionHelper.cs
- CustomCategoryAttribute.cs
- HtmlInputCheckBox.cs
- DivideByZeroException.cs
- SynchronizationHandlesCodeDomSerializer.cs
- ScrollEventArgs.cs
- Int32Rect.cs
- TextStore.cs
- EntityObject.cs
- TypedElement.cs
- DataGridViewSortCompareEventArgs.cs
- ContentHostHelper.cs
- SettingsProviderCollection.cs
- PolygonHotSpot.cs
- SerializationInfoEnumerator.cs
- AppendHelper.cs
- DataGridViewRowHeaderCell.cs
- ContextMarshalException.cs
- FontInfo.cs
- TaskFileService.cs
- AdministrationHelpers.cs
- TextEndOfLine.cs
- EventListener.cs
- HtmlEmptyTagControlBuilder.cs
- ConsumerConnectionPoint.cs
- HttpWebRequestElement.cs
- MediaContext.cs
- RegisteredArrayDeclaration.cs
- uribuilder.cs
- XmlSchemaDocumentation.cs
- SoapFault.cs
- GregorianCalendarHelper.cs
- WebReferencesBuildProvider.cs
- LazyTextWriterCreator.cs
- XmlHierarchicalDataSourceView.cs
- CmsUtils.cs
- AttachedAnnotation.cs
- DocumentXPathNavigator.cs
- PropertyPathWorker.cs
- JobStaple.cs
- ToolBar.cs
- OSFeature.cs
- XamlVector3DCollectionSerializer.cs
- CopyCodeAction.cs
- WrapperEqualityComparer.cs
- Vars.cs
- HttpResponse.cs
- ProfileSettingsCollection.cs
- SolidColorBrush.cs
- FormattedText.cs
- GridLengthConverter.cs
- DataColumn.cs
- AppliedDeviceFiltersDialog.cs
- TreeNode.cs
- HtmlUtf8RawTextWriter.cs
- BamlTreeUpdater.cs
- HashCodeCombiner.cs
- ProcessManager.cs
- DataServiceRequest.cs
- FileIOPermission.cs
- ExternalFile.cs
- ListViewDeletedEventArgs.cs
- InputLanguage.cs
- Int64KeyFrameCollection.cs
- NeutralResourcesLanguageAttribute.cs
- DbParameterCollectionHelper.cs
- ParallelSeparator.xaml.cs