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
- BaseHashHelper.cs
- IODescriptionAttribute.cs
- WebBrowserProgressChangedEventHandler.cs
- Compress.cs
- TemplateControlParser.cs
- EventLogEntry.cs
- EventLogEntryCollection.cs
- HTMLTextWriter.cs
- FlowLayout.cs
- MimeFormatExtensions.cs
- ImageList.cs
- SignatureHelper.cs
- WorkflowMarkupElementEventArgs.cs
- TextEditorDragDrop.cs
- ExceptionCollection.cs
- HtmlInputRadioButton.cs
- DataGridCellsPresenter.cs
- FixedPageAutomationPeer.cs
- PointF.cs
- sqlpipe.cs
- ProfilePropertySettingsCollection.cs
- XmlSchema.cs
- NonSerializedAttribute.cs
- WinFormsSpinner.cs
- DetailsView.cs
- filewebrequest.cs
- ReferencedAssembly.cs
- IssuedTokensHeader.cs
- WinEventHandler.cs
- IERequestCache.cs
- RangeBase.cs
- webclient.cs
- XmlMtomWriter.cs
- ColumnResult.cs
- WCFServiceClientProxyGenerator.cs
- FrameAutomationPeer.cs
- SecureConversationDriver.cs
- ObjectListComponentEditor.cs
- MatrixValueSerializer.cs
- ContextProperty.cs
- Part.cs
- ArrangedElement.cs
- RtfControls.cs
- MemberProjectionIndex.cs
- MethodCallConverter.cs
- BindingListCollectionView.cs
- ScopeElementCollection.cs
- XPathNodeList.cs
- InfoCardSymmetricCrypto.cs
- Crc32Helper.cs
- SelectedGridItemChangedEvent.cs
- WebPartMenu.cs
- URLAttribute.cs
- Win32Native.cs
- FixedSOMSemanticBox.cs
- OracleBinary.cs
- SmiRecordBuffer.cs
- JsonReaderDelegator.cs
- VisualBrush.cs
- SQLDoubleStorage.cs
- VisualStyleInformation.cs
- BinaryMethodMessage.cs
- DbConnectionPoolOptions.cs
- ProtectedConfigurationProviderCollection.cs
- NavigationEventArgs.cs
- GlobalItem.cs
- SqlCommand.cs
- DivideByZeroException.cs
- CorrelationTokenTypeConvertor.cs
- ThemeableAttribute.cs
- _SingleItemRequestCache.cs
- ScanQueryOperator.cs
- SortKey.cs
- HandlerFactoryWrapper.cs
- IisTraceListener.cs
- TaiwanCalendar.cs
- PropertyNames.cs
- Cursor.cs
- XmlUtil.cs
- SegmentTree.cs
- StrokeNodeData.cs
- ShapingEngine.cs
- ToolStripSplitStackLayout.cs
- WriteableBitmap.cs
- SqlXml.cs
- InternalConfigEventArgs.cs
- Pkcs7Recipient.cs
- View.cs
- ISAPIRuntime.cs
- NameSpaceEvent.cs
- ApplicationServiceHelper.cs
- TextOnlyOutput.cs
- shaperfactoryquerycachekey.cs
- regiisutil.cs
- TrackingStringDictionary.cs
- ClientBuildManager.cs
- ComponentDispatcherThread.cs
- EventSourceCreationData.cs
- ExpandoClass.cs
- TextServicesCompartmentContext.cs