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
- ParameterCollection.cs
- RenderDataDrawingContext.cs
- AutomationPatternInfo.cs
- ObjectPersistData.cs
- ToolStripPanelCell.cs
- SimpleTableProvider.cs
- FileUpload.cs
- KeyboardEventArgs.cs
- DefaultTypeArgumentAttribute.cs
- XamlFigureLengthSerializer.cs
- PtsContext.cs
- ApplicationSecurityInfo.cs
- ObjectListDataBindEventArgs.cs
- Composition.cs
- TextTreeExtractElementUndoUnit.cs
- SafeHandles.cs
- DataPagerField.cs
- AmbientValueAttribute.cs
- mactripleDES.cs
- HtmlElementErrorEventArgs.cs
- SqlDependencyUtils.cs
- HtmlTableRowCollection.cs
- AtlasWeb.Designer.cs
- NameSpaceExtractor.cs
- DtrList.cs
- WinCategoryAttribute.cs
- DisplayNameAttribute.cs
- CollectionView.cs
- DiscoveryDocumentLinksPattern.cs
- FixedSOMGroup.cs
- MappingModelBuildProvider.cs
- XmlEntity.cs
- CommandID.cs
- AutomationEventArgs.cs
- FontStyles.cs
- HostingMessageProperty.cs
- FileLevelControlBuilderAttribute.cs
- DeviceFiltersSection.cs
- RepeatButton.cs
- InkPresenterAutomationPeer.cs
- MSAAWinEventWrap.cs
- FileAuthorizationModule.cs
- DataGridViewDesigner.cs
- Vector3DValueSerializer.cs
- FlowLayoutPanelDesigner.cs
- ObjectDataSourceSelectingEventArgs.cs
- OdbcEnvironment.cs
- MsmqQueue.cs
- FillRuleValidation.cs
- XmlTextWriter.cs
- HelpInfo.cs
- Pen.cs
- DataGridViewTextBoxCell.cs
- DataBindingHandlerAttribute.cs
- DataGridViewCellStyleChangedEventArgs.cs
- EditableLabelControl.cs
- GroupDescription.cs
- AssertSection.cs
- DispatcherOperation.cs
- OrderedDictionaryStateHelper.cs
- FixedPosition.cs
- StringResourceManager.cs
- PolygonHotSpot.cs
- XPathNavigatorException.cs
- DiscoveryMessageSequenceCD1.cs
- ThumbButtonInfoCollection.cs
- SiteMapNodeCollection.cs
- _SslSessionsCache.cs
- GetPolicyDetailsRequest.cs
- PrivateFontCollection.cs
- WebPartTracker.cs
- ActivityCollectionMarkupSerializer.cs
- RSAPKCS1KeyExchangeFormatter.cs
- SiteMapDataSourceView.cs
- TypefaceCollection.cs
- HotSpotCollection.cs
- FreezableOperations.cs
- ProcessDesigner.cs
- ArglessEventHandlerProxy.cs
- PathNode.cs
- CollaborationHelperFunctions.cs
- IOException.cs
- TypeLibConverter.cs
- TimeSpan.cs
- SuppressMergeCheckAttribute.cs
- CalendarDayButton.cs
- TextEditorLists.cs
- DependencyPropertyHelper.cs
- _SingleItemRequestCache.cs
- ResourcesBuildProvider.cs
- SafeNativeMemoryHandle.cs
- BindingSource.cs
- LinqDataView.cs
- oledbmetadatacollectionnames.cs
- ModuleBuilder.cs
- AuthenticationModuleElementCollection.cs
- PasswordPropertyTextAttribute.cs
- safex509handles.cs
- HandlerMappingMemo.cs
- X509ThumbprintKeyIdentifierClause.cs