Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Configuration / System / Configuration / GenericEnumConverter.cs / 1 / GenericEnumConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; using System.Reflection; using System.Security.Permissions; using System.Xml; using System.Collections.Specialized; using System.Globalization; using System.ComponentModel; using System.Security; using System.Text; namespace System.Configuration { public sealed class GenericEnumConverter : ConfigurationConverterBase { private Type _enumType; public GenericEnumConverter(Type typeEnum) { if (typeEnum == null) { throw new ArgumentNullException("typeEnum"); } _enumType = typeEnum; } public override object ConvertTo(ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type) { Debug.Assert(typeof(System.Enum).IsAssignableFrom(value.GetType()), "typeof(System.Enum).IsAssignableFrom(value.GetType())"); return value.ToString(); } public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data) { object result = null; // // For any error, throw the ArgumentException with SR.Invalid_enum_value // try { string value = (string)data; if (String.IsNullOrEmpty(value)) { throw new Exception(); } // Disallow numeric values for enums. if (!String.IsNullOrEmpty(value) && (Char.IsDigit(value[0]) || (value[0] == '-') || (value[0] == '+'))) { throw new Exception(); } if (value != value.Trim()) { // throw if the value has whitespace throw new Exception(); } result = Enum.Parse(_enumType, value); } catch { StringBuilder names = new StringBuilder(); foreach (string name in Enum.GetNames(_enumType)) { if (names.Length != 0) { names.Append(", "); } names.Append(name); } throw new ArgumentException(SR.GetString(SR.Invalid_enum_value, names.ToString())); } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.IO; using System.Reflection; using System.Security.Permissions; using System.Xml; using System.Collections.Specialized; using System.Globalization; using System.ComponentModel; using System.Security; using System.Text; namespace System.Configuration { public sealed class GenericEnumConverter : ConfigurationConverterBase { private Type _enumType; public GenericEnumConverter(Type typeEnum) { if (typeEnum == null) { throw new ArgumentNullException("typeEnum"); } _enumType = typeEnum; } public override object ConvertTo(ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type) { Debug.Assert(typeof(System.Enum).IsAssignableFrom(value.GetType()), "typeof(System.Enum).IsAssignableFrom(value.GetType())"); return value.ToString(); } public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data) { object result = null; // // For any error, throw the ArgumentException with SR.Invalid_enum_value // try { string value = (string)data; if (String.IsNullOrEmpty(value)) { throw new Exception(); } // Disallow numeric values for enums. if (!String.IsNullOrEmpty(value) && (Char.IsDigit(value[0]) || (value[0] == '-') || (value[0] == '+'))) { throw new Exception(); } if (value != value.Trim()) { // throw if the value has whitespace throw new Exception(); } result = Enum.Parse(_enumType, value); } catch { StringBuilder names = new StringBuilder(); foreach (string name in Enum.GetNames(_enumType)) { if (names.Length != 0) { names.Append(", "); } names.Append(name); } throw new ArgumentException(SR.GetString(SR.Invalid_enum_value, names.ToString())); } return result; } } } // 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
- TargetConverter.cs
- InputLangChangeEvent.cs
- XhtmlConformanceSection.cs
- CheckoutException.cs
- CellQuery.cs
- DocumentGridContextMenu.cs
- SmiMetaData.cs
- DataGridItemEventArgs.cs
- TreeBuilderXamlTranslator.cs
- GridViewCancelEditEventArgs.cs
- exports.cs
- ActiveXSite.cs
- CommandValueSerializer.cs
- ColorAnimationUsingKeyFrames.cs
- NativeRightsManagementAPIsStructures.cs
- TraceContextEventArgs.cs
- ColorConverter.cs
- List.cs
- DetailsViewDeletedEventArgs.cs
- RegexStringValidator.cs
- DataPointer.cs
- DBAsyncResult.cs
- ChildTable.cs
- EntityType.cs
- WebPartPersonalization.cs
- HtmlMeta.cs
- XhtmlStyleClass.cs
- HttpGetProtocolReflector.cs
- XpsInterleavingPolicy.cs
- DataBoundControlAdapter.cs
- EncryptedHeader.cs
- IteratorDescriptor.cs
- EntityFunctions.cs
- EncoderExceptionFallback.cs
- DependencyObjectType.cs
- AsyncResult.cs
- SubMenuStyleCollection.cs
- PeerIPHelper.cs
- UpdatableGenericsFeature.cs
- SoapAttributeAttribute.cs
- BasicExpressionVisitor.cs
- DataBindingList.cs
- AdPostCacheSubstitution.cs
- WebBrowsableAttribute.cs
- DTCTransactionManager.cs
- DialogResultConverter.cs
- CompilationSection.cs
- LogicalTreeHelper.cs
- FormView.cs
- Geometry3D.cs
- Directory.cs
- GlobalItem.cs
- _SafeNetHandles.cs
- AssociativeAggregationOperator.cs
- GenericTypeParameterBuilder.cs
- SafeTokenHandle.cs
- Array.cs
- MaterialGroup.cs
- AsmxEndpointPickerExtension.cs
- Point3DAnimationBase.cs
- DefaultValidator.cs
- LayoutManager.cs
- XmlDataSourceNodeDescriptor.cs
- __FastResourceComparer.cs
- XPathAxisIterator.cs
- FilterRepeater.cs
- ServiceErrorHandler.cs
- XamlVector3DCollectionSerializer.cs
- ProcessProtocolHandler.cs
- ClientSettingsSection.cs
- XpsDocument.cs
- SapiAttributeParser.cs
- ToolStripSeparatorRenderEventArgs.cs
- XmlNamespaceDeclarationsAttribute.cs
- ADConnectionHelper.cs
- PerformanceCounterPermission.cs
- DefaultProxySection.cs
- CanExecuteRoutedEventArgs.cs
- SplitContainer.cs
- OrderedParallelQuery.cs
- AliasedSlot.cs
- ButtonBaseAdapter.cs
- QueryExtender.cs
- SqlParameterCollection.cs
- EndpointFilterProvider.cs
- WindowsRichEdit.cs
- ScriptModule.cs
- SetterBase.cs
- DataGridCell.cs
- PathNode.cs
- SqlSupersetValidator.cs
- DrawListViewItemEventArgs.cs
- Privilege.cs
- CmsInterop.cs
- DataGridRelationshipRow.cs
- ProcessHost.cs
- ApplicationManager.cs
- EncodingTable.cs
- StylusPointPropertyId.cs
- XmlIlTypeHelper.cs