Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / TypeListConverter.cs / 1305376 / TypeListConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System.Collections; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Runtime.InteropServices; using System.Runtime.Remoting; using System.Runtime.Serialization.Formatters; using System.Security.Permissions; ////// [HostProtection(SharedState = true)] public abstract class TypeListConverter : TypeConverter { private Type[] types; private StandardValuesCollection values; ///Provides a type /// converter that can be used to populate a list box with available types. ////// protected TypeListConverter(Type[] types) { this.types = types; } ///Initializes a new instance of the ///class using /// the type array as the available types. /// /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } return base.CanConvertFrom(context, sourceType); } ///Gets a value indicating whether this converter /// can convert an object in the given source type to an enumeration object using /// the specified context. ////// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor)) { return true; } return base.CanConvertTo(context, destinationType); } ///Gets a value indicating whether this converter can /// convert an object to the given destination type using the context. ////// /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { foreach(Type t in types) { if (value.Equals(t.FullName)) { return t; } } } return base.ConvertFrom(context, culture, value); } ///Converts the specified value object to an enumeration object. ////// /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(string)) { if (value == null) { return SR.GetString(SR.toStringNone); } else { return((Type)value).FullName; } } if (destinationType == typeof(InstanceDescriptor) && value is Type) { MethodInfo method = typeof(Type).GetMethod("GetType", new Type[] {typeof(string)}); if (method != null) { return new InstanceDescriptor(method, new object[] {((Type)value).AssemblyQualifiedName}); } } return base.ConvertTo(context, culture, value, destinationType); } ///Converts the given value object to the specified destination type. ////// /// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (values == null) { object[] objTypes; if (types != null) { objTypes = new object[types.Length]; Array.Copy(types, objTypes, types.Length); } else { objTypes = null; } values = new StandardValuesCollection(objTypes); } return values; } ///Gets a collection of standard values for the data type this validator is /// designed for. ////// /// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return true; } ///Gets a value indicating whether the list of standard values returned from /// ///is an exclusive list. /// /// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Gets a value indicating whether this object supports a /// standard set of values that can be picked from a list using the specified /// context. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Vector3dCollection.cs
- ContentElement.cs
- Configuration.cs
- ProfileService.cs
- ListSortDescriptionCollection.cs
- DictionaryEntry.cs
- IsolatedStorageException.cs
- DataExpression.cs
- FontStretches.cs
- MouseEvent.cs
- ObfuscationAttribute.cs
- ExceptionValidationRule.cs
- DataTableMapping.cs
- WindowsPrincipal.cs
- Grant.cs
- _IPv6Address.cs
- Binding.cs
- EFTableProvider.cs
- FileDialog_Vista_Interop.cs
- SaveWorkflowCommand.cs
- EqualityComparer.cs
- RtfControlWordInfo.cs
- WebBrowsableAttribute.cs
- SettingsBase.cs
- MetafileHeaderWmf.cs
- QilName.cs
- mediaeventshelper.cs
- Vector3DKeyFrameCollection.cs
- TableLayoutStyleCollection.cs
- NotImplementedException.cs
- MissingManifestResourceException.cs
- HttpWriter.cs
- StorageInfo.cs
- Environment.cs
- RuntimeCompatibilityAttribute.cs
- DataKeyCollection.cs
- IItemContainerGenerator.cs
- CustomValidator.cs
- XmlBinaryReader.cs
- LabelEditEvent.cs
- DrawListViewSubItemEventArgs.cs
- LineInfo.cs
- EventMappingSettings.cs
- DocumentApplicationJournalEntry.cs
- DrawingContextWalker.cs
- MemberDescriptor.cs
- CompoundFileIOPermission.cs
- TextTrailingWordEllipsis.cs
- DataGridState.cs
- WorkflowOperationContext.cs
- fixedPageContentExtractor.cs
- ScopedKnownTypes.cs
- RealizationContext.cs
- HMAC.cs
- DeferredTextReference.cs
- configsystem.cs
- ContractCodeDomInfo.cs
- WindowsRichEdit.cs
- TemplateControlParser.cs
- DataGridAddNewRow.cs
- LineUtil.cs
- ElementFactory.cs
- PDBReader.cs
- SequenceQuery.cs
- SimpleFileLog.cs
- PointHitTestParameters.cs
- BindingCollection.cs
- sitestring.cs
- ColumnResizeAdorner.cs
- StylusTip.cs
- XmlSchemaNotation.cs
- ToolStripDropDownClosingEventArgs.cs
- MetadataArtifactLoaderXmlReaderWrapper.cs
- Matrix3DConverter.cs
- ScrollData.cs
- ComponentEvent.cs
- FigureParaClient.cs
- XmlSerializerFactory.cs
- VirtualPath.cs
- _OverlappedAsyncResult.cs
- EntityCommandDefinition.cs
- WebPartMenuStyle.cs
- RankException.cs
- EntityDataSourceState.cs
- FaultContractAttribute.cs
- MemoryPressure.cs
- ToolStripActionList.cs
- DefaultMergeHelper.cs
- SystemTcpStatistics.cs
- MimeWriter.cs
- PreservationFileReader.cs
- SignatureTargetIdManager.cs
- CacheModeConverter.cs
- TypedElement.cs
- DbMetaDataCollectionNames.cs
- FillRuleValidation.cs
- FileNotFoundException.cs
- MatrixTransform.cs
- XmlIgnoreAttribute.cs
- Configuration.cs