Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / BooleanConverter.cs / 1 / BooleanConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System.Collections; using System.ComponentModel; using System.Diagnostics; using System.Globalization; using System.Runtime.InteropServices; using System.Runtime.Remoting; using System.Runtime.Serialization.Formatters; using System.Security.Permissions; ////// [HostProtection(SharedState = true)] public class BooleanConverter : TypeConverter { private static StandardValuesCollection values; ///Provides a type converter to convert /// Boolean objects to and from various other representations. ////// 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 a Boolean object using the /// specified context. ////// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string text = ((string)value).Trim(); try { return Boolean.Parse(text); } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "Boolean"), e); } } return base.ConvertFrom(context, culture, value); } ///Converts the given value /// object to a Boolean object. ////// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (values == null) { values = new StandardValuesCollection(new object[] {true, false}); } return values; } ///Gets a collection of standard values /// for the Boolean data type. ////// 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; } } }Gets a value indicating whether this object supports a standard set of values /// that can be picked from a list. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- UrlMapping.cs
- CodeBlockBuilder.cs
- MemoryMappedViewStream.cs
- SystemIPInterfaceStatistics.cs
- NotImplementedException.cs
- RoutedCommand.cs
- sqlmetadatafactory.cs
- SoapClientProtocol.cs
- ExceptionDetail.cs
- LabelDesigner.cs
- CollectionViewGroupRoot.cs
- HwndProxyElementProvider.cs
- MetricEntry.cs
- HtmlControlAdapter.cs
- XmlDataSourceNodeDescriptor.cs
- ComboBoxRenderer.cs
- InvariantComparer.cs
- GetLastErrorDetailsRequest.cs
- WindowsScrollBarBits.cs
- XmlILOptimizerVisitor.cs
- EtwTrace.cs
- ClassHandlersStore.cs
- remotingproxy.cs
- DataControlField.cs
- ExpressionSelection.cs
- HttpProfileGroupBase.cs
- CancellationHandler.cs
- ObjectDataSourceSelectingEventArgs.cs
- TableLayoutSettings.cs
- CatalogZone.cs
- XmlStringTable.cs
- FixUpCollection.cs
- ExpressionNormalizer.cs
- BitFlagsGenerator.cs
- XmlElementCollection.cs
- Enum.cs
- WebControl.cs
- ListBindingConverter.cs
- Light.cs
- ConditionalWeakTable.cs
- OraclePermission.cs
- Point4DValueSerializer.cs
- Semaphore.cs
- SettingsAttributes.cs
- RelationshipType.cs
- Tracking.cs
- ConsoleTraceListener.cs
- UserMapPath.cs
- PermissionSetTriple.cs
- SignedXml.cs
- CommandLibraryHelper.cs
- SelectedCellsChangedEventArgs.cs
- Ipv6Element.cs
- EventLogPermissionAttribute.cs
- MonthCalendar.cs
- DelegateBodyWriter.cs
- PrePostDescendentsWalker.cs
- Pair.cs
- RSAProtectedConfigurationProvider.cs
- ActivityMarkupSerializer.cs
- MethodBody.cs
- NetworkInformationException.cs
- BuildProvidersCompiler.cs
- StateBag.cs
- SafeEventHandle.cs
- WSHttpBinding.cs
- PasswordTextNavigator.cs
- processwaithandle.cs
- TextTreeUndo.cs
- SafeWaitHandle.cs
- BridgeDataReader.cs
- ComponentGlyph.cs
- FormatSettings.cs
- QueryableDataSourceView.cs
- MetadataConversionError.cs
- UpdateEventArgs.cs
- WebWorkflowRole.cs
- PbrsForward.cs
- FixedStringLookup.cs
- XmlQueryCardinality.cs
- TextWriterTraceListener.cs
- DataTrigger.cs
- DateTimeUtil.cs
- FolderBrowserDialog.cs
- __Filters.cs
- Pair.cs
- ManipulationDelta.cs
- UnsafeNativeMethods.cs
- SizeConverter.cs
- LassoHelper.cs
- OneOfElement.cs
- CellQuery.cs
- DockAndAnchorLayout.cs
- UInt16.cs
- RawContentTypeMapper.cs
- PolicyException.cs
- ViewManagerAttribute.cs
- SerialPort.cs
- IconHelper.cs
- SchemaDeclBase.cs