Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / DecimalConverter.cs / 1305376 / 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); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// 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); } } } // 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
- ClientConfigurationSystem.cs
- Substitution.cs
- BitmapPalette.cs
- DataGridPreparingCellForEditEventArgs.cs
- ExpressionEditor.cs
- XmlCustomFormatter.cs
- MessageContractAttribute.cs
- EncoderParameters.cs
- FontNameConverter.cs
- AttributeCollection.cs
- XmlBindingWorker.cs
- GC.cs
- LinearQuaternionKeyFrame.cs
- SystemWebSectionGroup.cs
- connectionpool.cs
- SqlUnionizer.cs
- FrameworkElementFactoryMarkupObject.cs
- MessageFilterException.cs
- StrokeNodeOperations.cs
- XmlSchemaInfo.cs
- MatrixIndependentAnimationStorage.cs
- TextAutomationPeer.cs
- EnlistmentTraceIdentifier.cs
- ProgramNode.cs
- EntryPointNotFoundException.cs
- HtmlEmptyTagControlBuilder.cs
- ActivityExecutionWorkItem.cs
- InstalledFontCollection.cs
- SqlBulkCopyColumnMappingCollection.cs
- CertificateElement.cs
- CodeVariableDeclarationStatement.cs
- StrongNameMembershipCondition.cs
- SqlDataSourceView.cs
- AutomationProperty.cs
- PersonalizationAdministration.cs
- ProfileModule.cs
- ACL.cs
- StringInfo.cs
- ReadOnlyNameValueCollection.cs
- SiteMapNodeCollection.cs
- InheritanceRules.cs
- InitializerFacet.cs
- _ServiceNameStore.cs
- FileLogRecordEnumerator.cs
- EnumValidator.cs
- DataTableMapping.cs
- FileRegion.cs
- RtfControlWordInfo.cs
- XmlAttributeProperties.cs
- SessionStateSection.cs
- BrowserCapabilitiesFactoryBase.cs
- XmlCharacterData.cs
- AQNBuilder.cs
- XmlElement.cs
- SplitterCancelEvent.cs
- FontUnit.cs
- CompModHelpers.cs
- FastEncoder.cs
- AutomationPatternInfo.cs
- UpdateRecord.cs
- ValueType.cs
- ConfigsHelper.cs
- XmlQualifiedName.cs
- recordstate.cs
- ViewStateModeByIdAttribute.cs
- EventLogPermissionEntry.cs
- UIAgentMonitor.cs
- SmtpAuthenticationManager.cs
- FormsAuthenticationTicket.cs
- WindowsRichEdit.cs
- SrgsItemList.cs
- SqlParameterCollection.cs
- COM2ICategorizePropertiesHandler.cs
- RSAPKCS1SignatureDeformatter.cs
- _AutoWebProxyScriptEngine.cs
- TextTreeInsertElementUndoUnit.cs
- ResolveNameEventArgs.cs
- CollectionExtensions.cs
- CommandLibraryHelper.cs
- DataServiceQueryContinuation.cs
- ChildrenQuery.cs
- _AcceptOverlappedAsyncResult.cs
- WorkflowServiceBuildProvider.cs
- RelationshipConstraintValidator.cs
- InvalidOleVariantTypeException.cs
- EnumType.cs
- HttpModuleCollection.cs
- TreeNodeMouseHoverEvent.cs
- PipelineModuleStepContainer.cs
- InplaceBitmapMetadataWriter.cs
- EntityDataSourceEntityTypeFilterItem.cs
- PageTheme.cs
- StyleTypedPropertyAttribute.cs
- SelectionRangeConverter.cs
- RetrieveVirtualItemEventArgs.cs
- Queue.cs
- MaskPropertyEditor.cs
- QuerySetOp.cs
- FileSystemWatcher.cs
- ParameterModifier.cs