Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Core / Microsoft / Scripting / Ast / MemberAssignment.cs / 1305376 / MemberAssignment.cs
/* **************************************************************************** * * Copyright (c) Microsoft Corporation. * * This source code is subject to terms and conditions of the Microsoft Public License. A * copy of the license can be found in the License.html file at the root of this distribution. If * you cannot locate the Microsoft Public License, please send an email to * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound * by the terms of the Microsoft Public License. * * You must not remove this notice, or any other, from this software. * * * ***************************************************************************/ using System.Dynamic.Utils; using System.Reflection; #if SILVERLIGHT using System.Core; #endif namespace System.Linq.Expressions { ////// Represents assignment to a member of an object. /// public sealed class MemberAssignment : MemberBinding { Expression _expression; internal MemberAssignment(MemberInfo member, Expression expression) #pragma warning disable 618 : base(MemberBindingType.Assignment, member) { #pragma warning restore 618 _expression = expression; } ////// Gets the public Expression Expression { get { return _expression; } } ///which represents the object whose member is being assigned to. /// /// Creates a new expression that is like this one, but using the /// supplied children. If all of the children are the same, it will /// return this expression. /// /// Theproperty of the result. /// This expression if no children changed, or an expression with the updated children. public MemberAssignment Update(Expression expression) { if (expression == Expression) { return this; } return Expression.Bind(Member, expression); } } public partial class Expression { ////// Creates a /// Thebinding the specified value to the given member. /// for the member which is being assigned to. /// The value to be assigned to . /// The created public static MemberAssignment Bind(MemberInfo member, Expression expression) { ContractUtils.RequiresNotNull(member, "member"); RequiresCanRead(expression, "expression"); Type memberType; ValidateSettableFieldOrPropertyMember(member, out memberType); if (!memberType.IsAssignableFrom(expression.Type)) { throw Error.ArgumentTypesMustMatch(); } return new MemberAssignment(member, expression); } ///. /// Creates a /// Thebinding the specified value to the given property. /// for the property which is being assigned to. /// The value to be assigned to . /// The created public static MemberAssignment Bind(MethodInfo propertyAccessor, Expression expression) { ContractUtils.RequiresNotNull(propertyAccessor, "propertyAccessor"); ContractUtils.RequiresNotNull(expression, "expression"); ValidateMethodInfo(propertyAccessor); return Bind(GetProperty(propertyAccessor), expression); } private static void ValidateSettableFieldOrPropertyMember(MemberInfo member, out Type memberType) { FieldInfo fi = member as FieldInfo; if (fi == null) { PropertyInfo pi = member as PropertyInfo; if (pi == null) { throw Error.ArgumentMustBeFieldInfoOrPropertInfo(); } if (!pi.CanWrite) { throw Error.PropertyDoesNotHaveSetter(pi); } memberType = pi.PropertyType; } else { memberType = fi.FieldType; } } } } // 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
- ProcessHostServerConfig.cs
- LoginUtil.cs
- QueryExtender.cs
- ControlCollection.cs
- UntrustedRecipientException.cs
- CalendarTable.cs
- SecurityManager.cs
- DataViewManagerListItemTypeDescriptor.cs
- VariableQuery.cs
- RequestResponse.cs
- Command.cs
- TemplateNodeContextMenu.cs
- DataGridSortingEventArgs.cs
- VoiceObjectToken.cs
- UiaCoreApi.cs
- RegexCompilationInfo.cs
- OleDbRowUpdatingEvent.cs
- LiteralControl.cs
- SqlTypeSystemProvider.cs
- PeerResolverBindingElement.cs
- ProtocolViolationException.cs
- ModelItemCollectionImpl.cs
- odbcmetadatacolumnnames.cs
- ProfileGroupSettingsCollection.cs
- SoapIgnoreAttribute.cs
- PrinterUnitConvert.cs
- DataGridCommandEventArgs.cs
- SortDescription.cs
- IsolatedStorageException.cs
- RtfToken.cs
- StretchValidation.cs
- XmlAnyElementAttribute.cs
- TextEditorMouse.cs
- COM2IVsPerPropertyBrowsingHandler.cs
- InteropEnvironment.cs
- SQLBinaryStorage.cs
- FrameworkElement.cs
- HwndHostAutomationPeer.cs
- StreamReader.cs
- PenCursorManager.cs
- DiscardableAttribute.cs
- Size3DValueSerializer.cs
- WCFServiceClientProxyGenerator.cs
- AttachedPropertyMethodSelector.cs
- selecteditemcollection.cs
- DataGridViewCell.cs
- MultipartIdentifier.cs
- DoubleAnimationUsingPath.cs
- HttpPostedFileBase.cs
- COM2ColorConverter.cs
- PaperSize.cs
- SubMenuStyleCollection.cs
- EntityDataSourceConfigureObjectContext.cs
- SynchronizedInputProviderWrapper.cs
- CodeIndexerExpression.cs
- Int32RectValueSerializer.cs
- SystemParameters.cs
- SiteMapNodeItem.cs
- CollectionViewGroupRoot.cs
- BinaryReader.cs
- StyleSheet.cs
- Parser.cs
- X509RecipientCertificateClientElement.cs
- StringToken.cs
- TickBar.cs
- BitmapImage.cs
- EventLogTraceListener.cs
- StreamHelper.cs
- CodePropertyReferenceExpression.cs
- QuaternionAnimation.cs
- Label.cs
- CompoundFileStreamReference.cs
- ListViewDataItem.cs
- PropertyGrid.cs
- DataColumnCollection.cs
- StringComparer.cs
- Size.cs
- MenuItemCollection.cs
- odbcmetadatacollectionnames.cs
- RemoveStoryboard.cs
- VisualProxy.cs
- Operand.cs
- FieldMetadata.cs
- PageRequestManager.cs
- XmlEncodedRawTextWriter.cs
- ToolStripDesignerAvailabilityAttribute.cs
- MailWebEventProvider.cs
- BuildProviderCollection.cs
- GeometryDrawing.cs
- HwndSource.cs
- StylusEventArgs.cs
- SweepDirectionValidation.cs
- ComplexLine.cs
- SRGSCompiler.cs
- XmlWrappingReader.cs
- AddressAlreadyInUseException.cs
- WebDisplayNameAttribute.cs
- WindowsScroll.cs
- BoolExpression.cs
- TextWriter.cs