Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.Activities / System / Activities / Expressions / UnaryExpressionHelper.cs / 1305376 / UnaryExpressionHelper.cs
//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------- namespace System.Activities.Expressions { using System.Activities.Validation; using System.Collections.ObjectModel; using System.Linq.Expressions; using System.Runtime; static class UnaryExpressionHelper { public static void OnGetArguments(CodeActivityMetadata metadata, InArgument operand) { RuntimeArgument operandArgument = new RuntimeArgument("Operand", typeof(TOperand), ArgumentDirection.In, true); metadata.Bind(operand, operandArgument); metadata.SetArgumentsCollection( new Collection { operandArgument }); } public static bool TryGenerateLinqDelegate (ExpressionType operatorType, out Func operation, out ValidationError validationError) { operation = null; validationError = null; ParameterExpression operandParameter = Expression.Parameter(typeof(TOperand), "operand"); try { UnaryExpression unaryExpression = Expression.MakeUnary(operatorType, operandParameter, typeof(TResult)); Expression > lambdaExpression = Expression.Lambda >(unaryExpression, operandParameter); operation = lambdaExpression.Compile(); return true; } catch (Exception e) { if (Fx.IsFatal(e)) { throw; } validationError = new ValidationError(e.Message); return false; } } } } // 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
- DynamicPropertyHolder.cs
- SafeArchiveContext.cs
- RangeValueProviderWrapper.cs
- BindingManagerDataErrorEventArgs.cs
- ContentIterators.cs
- DockProviderWrapper.cs
- DoubleCollectionConverter.cs
- TraceListeners.cs
- ChineseLunisolarCalendar.cs
- ProbeMatches11.cs
- TryCatchDesigner.xaml.cs
- BackStopAuthenticationModule.cs
- RegexRunnerFactory.cs
- OrderedDictionary.cs
- XPathNavigatorKeyComparer.cs
- UInt64Converter.cs
- bindurihelper.cs
- CodeConstructor.cs
- ImplicitInputBrush.cs
- DbReferenceCollection.cs
- HtmlInputText.cs
- CompilationSection.cs
- IBuiltInEvidence.cs
- ZipIORawDataFileBlock.cs
- HostingEnvironmentException.cs
- ActivationWorker.cs
- HostingEnvironmentWrapper.cs
- BamlTreeNode.cs
- ExpressionCopier.cs
- SizeAnimationUsingKeyFrames.cs
- CatalogPartCollection.cs
- ImageFormat.cs
- ControlType.cs
- TdsEnums.cs
- StringInfo.cs
- ChangesetResponse.cs
- RecoverInstanceLocksCommand.cs
- ActivityInstanceMap.cs
- PrintPreviewGraphics.cs
- PreservationFileReader.cs
- TextTreeTextElementNode.cs
- MemberRestriction.cs
- ConfigUtil.cs
- ExpandButtonVisibilityConverter.cs
- HTTPNotFoundHandler.cs
- TableCellCollection.cs
- GridItemPatternIdentifiers.cs
- GenericTextProperties.cs
- CalendarButton.cs
- RawStylusInputReport.cs
- SafeNativeMethodsCLR.cs
- PersonalizationProviderCollection.cs
- TextTreePropertyUndoUnit.cs
- ListItemCollection.cs
- HtmlControlPersistable.cs
- MenuCommand.cs
- TextOptionsInternal.cs
- WebResourceAttribute.cs
- XmlAnyAttributeAttribute.cs
- ParameterCollection.cs
- Barrier.cs
- DirectoryNotFoundException.cs
- CornerRadius.cs
- CodeIdentifier.cs
- WebExceptionStatus.cs
- CounterCreationData.cs
- Oid.cs
- InfocardInteractiveChannelInitializer.cs
- SqlDataReaderSmi.cs
- EventListenerClientSide.cs
- UmAlQuraCalendar.cs
- AuthenticationModuleElement.cs
- SiteMapHierarchicalDataSourceView.cs
- AttachedPropertyBrowsableWhenAttributePresentAttribute.cs
- PolyLineSegmentFigureLogic.cs
- SourceFilter.cs
- AssemblyUtil.cs
- PixelShader.cs
- FontFamilyValueSerializer.cs
- LayoutInformation.cs
- RelationshipNavigation.cs
- UIntPtr.cs
- Point3DValueSerializer.cs
- BrowserDefinition.cs
- EdmToObjectNamespaceMap.cs
- DataGridViewRowCollection.cs
- WebSysDescriptionAttribute.cs
- BindingContext.cs
- ExpressionDumper.cs
- QuaternionAnimationBase.cs
- AutomationPropertyInfo.cs
- RoleServiceManager.cs
- BitmapCodecInfoInternal.cs
- Nodes.cs
- ProfileServiceManager.cs
- EventProviderBase.cs
- XmlSchemaComplexContent.cs
- ExtenderProvidedPropertyAttribute.cs
- IISMapPath.cs
- ValueSerializerAttribute.cs