Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / DrawingCollection.cs / 1305600 / DrawingCollection.cs
//---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // Description: This file contains non-generated DrawingCollection // methods. // // History: // // 2005/03/18 : timothyc - Created it. // //--------------------------------------------------------------------------- using System.Collections; using System.Collections.Generic; using System.Windows.Media.Animation; using System.Windows.Markup; namespace System.Windows.Media { ////// Collection of Drawing objects /// public sealed partial class DrawingCollection : Animatable, IList, IList{ /// /// Appends the entire input DrawingCollection, while only firing a single set of /// public events. If an exception is thrown from the public events, the /// Append operation is rolled back. /// internal void TransactionalAppend(DrawingCollection collectionToAppend) { // Use appendCount to avoid inconsistencies & runaway loops when // this == collectionToAppend, and to ensure collectionToAppend.Count // is only evaluated once. int appendCount = collectionToAppend.Count; // First, append the collection for(int i = 0; i < appendCount; i++) { AddWithoutFiringPublicEvents(collectionToAppend.Internal_GetItem(i)); } // Fire the public Changed event after all the elements have been added. // // If an exception is thrown, then the Append operation is rolled-back without // firing additional events. try { FireChanged(); } catch (Exception) { // Compute the number of elements that existed before the append int beforeAppendCount = Count - appendCount; // Remove the appended elements in reverse order without firing Changed events. for ( int i = Count - 1; // Start at the current last index i >= beforeAppendCount; // Until the previous last index i-- // Move to the preceding index ) { RemoveAtWithoutFiringPublicEvents(i); } // Avoid firing WritePostscript events (e.g., OnChanged) after rolling-back // the current operation. // // This ensures that only a single set of events is fired for both exceptional & // typical cases, and it's likely that firing events would cause another exception. throw; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ToolStripItem.cs
- BeginEvent.cs
- errorpatternmatcher.cs
- AnimatedTypeHelpers.cs
- Stackframe.cs
- TabletCollection.cs
- ManifestSignedXml.cs
- ConnectionManagementSection.cs
- CalendarKeyboardHelper.cs
- Config.cs
- TextSelectionProcessor.cs
- IdnElement.cs
- TreeViewItem.cs
- BmpBitmapEncoder.cs
- EventlogProvider.cs
- DiscoveryReferences.cs
- Predicate.cs
- DataAdapter.cs
- SerializationStore.cs
- MinimizableAttributeTypeConverter.cs
- ClientSettingsStore.cs
- DataViewSetting.cs
- JumpPath.cs
- EncoderBestFitFallback.cs
- COM2ColorConverter.cs
- IUnknownConstantAttribute.cs
- _HTTPDateParse.cs
- Command.cs
- EdmToObjectNamespaceMap.cs
- SchemaEntity.cs
- ProtocolElement.cs
- AppDomainGrammarProxy.cs
- LeafCellTreeNode.cs
- InkCanvasAutomationPeer.cs
- XsdBuildProvider.cs
- InvalidateEvent.cs
- NamespaceExpr.cs
- DataColumnPropertyDescriptor.cs
- ValidationSummary.cs
- ContainerFilterService.cs
- RectKeyFrameCollection.cs
- Part.cs
- PersonalizableAttribute.cs
- CollectionContainer.cs
- AdvancedBindingPropertyDescriptor.cs
- RectConverter.cs
- ReplyChannel.cs
- CreateUserWizardStep.cs
- BufferedGraphics.cs
- XmlEntity.cs
- ReliabilityContractAttribute.cs
- AnnotationMap.cs
- XPathException.cs
- FrameworkElementFactory.cs
- TextBreakpoint.cs
- SecurityUniqueId.cs
- PKCS1MaskGenerationMethod.cs
- WSSecurityPolicy12.cs
- CompilerGeneratedAttribute.cs
- RectangleHotSpot.cs
- XamlWriter.cs
- Menu.cs
- AlignmentXValidation.cs
- WorkflowApplicationIdleEventArgs.cs
- StaticContext.cs
- AttachedAnnotationChangedEventArgs.cs
- HyperLinkStyle.cs
- StatusBarDrawItemEvent.cs
- ActivityInterfaces.cs
- SecurityPermission.cs
- RowSpanVector.cs
- ControlBuilder.cs
- XPathMessageContext.cs
- NumericUpDownAccelerationCollection.cs
- _SslStream.cs
- TypeConverterHelper.cs
- SignatureHelper.cs
- CheckBox.cs
- XmlDigitalSignatureProcessor.cs
- AutomationElementIdentifiers.cs
- HighlightVisual.cs
- XmlValidatingReader.cs
- ClientOperation.cs
- TextTreePropertyUndoUnit.cs
- ManagementObjectSearcher.cs
- ProcessThread.cs
- WinFormsSecurity.cs
- TextBoxRenderer.cs
- DesignerOptionService.cs
- LazyTextWriterCreator.cs
- CustomErrorCollection.cs
- SendKeys.cs
- RewritingPass.cs
- CellRelation.cs
- UidManager.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- LinqDataSourceUpdateEventArgs.cs
- ADConnectionHelper.cs
- BulletDecorator.cs
- FunctionCommandText.cs