Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Base / System / ComponentModel / SortDescription.cs / 1305600 / SortDescription.cs
//---------------------------------------------------------------------------- // //// Copyright (C) 2003 by Microsoft Corporation. All rights reserved. // // // // Description: Defines property and direction to sort. // // See spec at http://avalon/connecteddata/M5%20Specs/IDataCollection.mht // // History: // 06/02/2003 : [....] - Created // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Windows; // SR using MS.Internal.WindowsBase; namespace System.ComponentModel { ////// Defines a property and direction to sort a list by. /// public struct SortDescription { //----------------------------------------------------- // // Public Constructors // //----------------------------------------------------- #region Public Constructors ////// Create a sort description. /// /// Property to sort by /// Specifies the direction of sort operation ///direction is not a valid value for ListSortDirection public SortDescription(string propertyName, ListSortDirection direction) { if (direction != ListSortDirection.Ascending && direction != ListSortDirection.Descending) throw new InvalidEnumArgumentException("direction", (int)direction, typeof(ListSortDirection)); _propertyName = propertyName; _direction = direction; _sealed = false; } #endregion Public Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// Property name to sort by. /// public string PropertyName { get { return _propertyName; } set { if (_sealed) throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "SortDescription")); _propertyName = value; } } ////// Sort direction. /// public ListSortDirection Direction { get { return _direction; } set { if (_sealed) throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "SortDescription")); if (value < ListSortDirection.Ascending || value > ListSortDirection.Descending) throw new InvalidEnumArgumentException("value", (int) value, typeof(ListSortDirection)); _direction = value; } } ////// Returns true if the SortDescription is in use (sealed). /// public bool IsSealed { get { return _sealed; } } #endregion Public Properties //------------------------------------------------------ // // Public methods // //------------------------------------------------------ #region Public Methods ///Override of Object.Equals public override bool Equals(object obj) { return (obj is SortDescription) ? (this == (SortDescription)obj) : false; } ///Equality operator for SortDescription. public static bool operator==(SortDescription sd1, SortDescription sd2) { return sd1.PropertyName == sd2.PropertyName && sd1.Direction == sd2.Direction; } ///Inequality operator for SortDescription. public static bool operator!=(SortDescription sd1, SortDescription sd2) { return !(sd1 == sd2); } ///Override of Object.GetHashCode public override int GetHashCode() { int result = Direction.GetHashCode(); if (PropertyName != null) { result = unchecked(PropertyName.GetHashCode() + result); } return result; } #endregion Public Methods //----------------------------------------------------- // // Internal methods // //------------------------------------------------------ #region Internal Methods internal void Seal() { _sealed = true; } #endregion Internal Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private string _propertyName; private ListSortDirection _direction; bool _sealed; #endregion Private Fields } } // 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
- TextBoxAutoCompleteSourceConverter.cs
- TextWriterEngine.cs
- TextBlockAutomationPeer.cs
- TabPageDesigner.cs
- XmlDataDocument.cs
- Verify.cs
- CodeMemberField.cs
- ComboBox.cs
- HttpProfileBase.cs
- SoapCodeExporter.cs
- CustomErrorCollection.cs
- ObjectTag.cs
- SQLDoubleStorage.cs
- HttpConfigurationContext.cs
- SimpleType.cs
- SizeConverter.cs
- AttributeProviderAttribute.cs
- IPEndPoint.cs
- CompositionTarget.cs
- TcpTransportManager.cs
- WorkerRequest.cs
- InstanceDataCollectionCollection.cs
- ArraySegment.cs
- WebSysDescriptionAttribute.cs
- TypeBuilderInstantiation.cs
- ViewGenerator.cs
- SystemColors.cs
- TerminateWorkflow.cs
- GC.cs
- DesignerUtils.cs
- ParserOptions.cs
- Figure.cs
- HtmlInputButton.cs
- ConfigurationStrings.cs
- SatelliteContractVersionAttribute.cs
- ProfileModule.cs
- ManagementClass.cs
- ServiceContractViewControl.Designer.cs
- ApplicationHost.cs
- PowerStatus.cs
- Keywords.cs
- InternalConfirm.cs
- DeclarativeConditionsCollection.cs
- Rijndael.cs
- OdbcPermission.cs
- ProviderIncompatibleException.cs
- DataViewManagerListItemTypeDescriptor.cs
- LogExtent.cs
- SemanticKeyElement.cs
- XPathExpr.cs
- TaskResultSetter.cs
- SiteMapPath.cs
- HMAC.cs
- PowerModeChangedEventArgs.cs
- ReturnEventArgs.cs
- BaseResourcesBuildProvider.cs
- AddInDeploymentState.cs
- SqlSelectStatement.cs
- CodeStatementCollection.cs
- ValidationResults.cs
- StickyNoteAnnotations.cs
- initElementDictionary.cs
- FileEnumerator.cs
- SimpleTypeResolver.cs
- Base64Decoder.cs
- ListView.cs
- NativeStructs.cs
- SqlCacheDependencyDatabase.cs
- ValidationVisibilityAttribute.cs
- AsymmetricSignatureDeformatter.cs
- ToolStripSeparator.cs
- IItemContainerGenerator.cs
- TabControl.cs
- XmlSchemaAny.cs
- DmlSqlGenerator.cs
- StorageComplexPropertyMapping.cs
- TypeSystem.cs
- XpsTokenContext.cs
- CorrelationManager.cs
- StringArrayConverter.cs
- StylusPointDescription.cs
- DockPanel.cs
- DataViewManager.cs
- ClientTargetSection.cs
- QuarticEase.cs
- RequestCacheValidator.cs
- CodeAttributeDeclaration.cs
- WebConfigurationHost.cs
- OleStrCAMarshaler.cs
- COAUTHIDENTITY.cs
- ReadOnlyHierarchicalDataSourceView.cs
- FileDialog_Vista_Interop.cs
- DisposableCollectionWrapper.cs
- SQLDecimal.cs
- __FastResourceComparer.cs
- CustomPopupPlacement.cs
- FieldInfo.cs
- BezierSegment.cs
- OleDbDataAdapter.cs
- ElementUtil.cs