Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / DecimalConverter.cs / 1 / DecimalConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; 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 class DecimalConverter : BaseNumberConverter { ///Provides a type converter to convert ////// objects to and from various /// other representations. /// Determines whether this editor will attempt to convert hex (0x or #) strings /// internal override bool AllowHex { get { return false; } } ////// The Type this converter is targeting (e.g. Int16, UInt32, etc.) /// internal override Type TargetType { get { return typeof(Decimal); } } ////// 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. ////// Converts the given object to another type. The most common types to convert /// are to and from a string object. The default implementation will make a call /// to ToString on the object if the object is valid and if the destination /// type is string. If this cannot convert to the desitnation type, this will /// throw a NotSupportedException. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(InstanceDescriptor) && value is Decimal) { object[] args = new object[] { Decimal.GetBits((Decimal)value) }; MemberInfo member = typeof(Decimal).GetConstructor(new Type[] {typeof(Int32[])}); Debug.Assert(member != null, "Could not convert decimal to member. Did someone change method name / signature and not update DecimalConverter?"); if (member != null) { return new InstanceDescriptor(member, args); } else { return null; } } return base.ConvertTo(context, culture, value, destinationType); } ////// Convert the given value to a string using the given radix /// internal override object FromString(string value, int radix) { return Convert.ToDecimal(value, CultureInfo.CurrentCulture); } ////// Convert the given value to a string using the given formatInfo /// internal override object FromString(string value, NumberFormatInfo formatInfo) { return Decimal.Parse(value, NumberStyles.Float, formatInfo); } ////// Convert the given value to a string using the given CultureInfo /// internal override object FromString(string value, CultureInfo culture){ return Decimal.Parse(value, culture); } ////// Convert the given value from a string using the given formatInfo /// internal override string ToString(object value, NumberFormatInfo formatInfo) { return ((Decimal)value).ToString("G", formatInfo); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XsdValidatingReader.cs
- PaintEvent.cs
- DesignerOptionService.cs
- SourceSwitch.cs
- ManagementClass.cs
- ExportOptions.cs
- StateMachineWorkflowDesigner.cs
- StylusCaptureWithinProperty.cs
- Image.cs
- DataTrigger.cs
- securitycriticaldataClass.cs
- PathFigureCollectionConverter.cs
- SimpleApplicationHost.cs
- OverlappedContext.cs
- MethodRental.cs
- RootProfilePropertySettingsCollection.cs
- XmlConverter.cs
- Wildcard.cs
- InternalSafeNativeMethods.cs
- ObjectSpanRewriter.cs
- TreeNodeClickEventArgs.cs
- RSAPKCS1SignatureDeformatter.cs
- UseAttributeSetsAction.cs
- StylusCaptureWithinProperty.cs
- AmbiguousMatchException.cs
- EdgeProfileValidation.cs
- InputLanguageEventArgs.cs
- BasicKeyConstraint.cs
- DataSet.cs
- Interlocked.cs
- DSACryptoServiceProvider.cs
- PolyQuadraticBezierSegmentFigureLogic.cs
- ReferentialConstraintRoleElement.cs
- LinqDataSourceInsertEventArgs.cs
- TemplatedEditableDesignerRegion.cs
- BidirectionalDictionary.cs
- DiagnosticsConfigurationHandler.cs
- IntSecurity.cs
- DataGridViewCheckBoxColumn.cs
- XhtmlStyleClass.cs
- AnonymousIdentificationModule.cs
- ProtocolState.cs
- AuthenticationSection.cs
- AssociationTypeEmitter.cs
- TitleStyle.cs
- ConfigurationStrings.cs
- SetStoryboardSpeedRatio.cs
- StrokeCollectionDefaultValueFactory.cs
- TextEffect.cs
- TransformPattern.cs
- DataSourceHelper.cs
- DataGridViewEditingControlShowingEventArgs.cs
- SqlConnectionFactory.cs
- WebEvents.cs
- ImageSource.cs
- ValueOfAction.cs
- ConnectionConsumerAttribute.cs
- Form.cs
- FormViewRow.cs
- CssStyleCollection.cs
- ObjectListCommandsPage.cs
- MouseCaptureWithinProperty.cs
- OutputCacheModule.cs
- XmlWhitespace.cs
- TypeTypeConverter.cs
- PerSessionInstanceContextProvider.cs
- AsynchronousChannel.cs
- GroupDescription.cs
- ReadOnlyActivityGlyph.cs
- LineSegment.cs
- AttachedAnnotation.cs
- MenuTracker.cs
- BitmapEffectState.cs
- hresults.cs
- PropertyItemInternal.cs
- MappingMetadataHelper.cs
- ConstNode.cs
- HttpCacheVary.cs
- Expressions.cs
- MenuItemStyleCollection.cs
- SpeechSynthesizer.cs
- RenderTargetBitmap.cs
- RTLAwareMessageBox.cs
- AnonymousIdentificationSection.cs
- PassportAuthenticationEventArgs.cs
- StorageScalarPropertyMapping.cs
- SQLDouble.cs
- DataGridViewComboBoxEditingControl.cs
- DataSpaceManager.cs
- ConditionalDesigner.cs
- StorageAssociationSetMapping.cs
- InlineCollection.cs
- AutomationPropertyChangedEventArgs.cs
- DefaultTextStore.cs
- Light.cs
- WebScriptMetadataMessageEncoderFactory.cs
- WebHttpBindingCollectionElement.cs
- OleDbEnumerator.cs
- KoreanLunisolarCalendar.cs
- InProcStateClientManager.cs