Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / 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); } } } // 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
- AdRotatorDesigner.cs
- MemberDomainMap.cs
- QilInvoke.cs
- MatrixAnimationUsingPath.cs
- ResizeGrip.cs
- DiscreteKeyFrames.cs
- XPathArrayIterator.cs
- GenericXmlSecurityTokenAuthenticator.cs
- CfgRule.cs
- Byte.cs
- DataGridViewSelectedRowCollection.cs
- LoginUtil.cs
- CommonDialog.cs
- ExpressionEvaluator.cs
- XmlTextReaderImpl.cs
- TextServicesCompartment.cs
- SoapServerMessage.cs
- TextPattern.cs
- UserPrincipalNameElement.cs
- bindurihelper.cs
- SqlDataSourceCache.cs
- ZeroOpNode.cs
- FaultContext.cs
- WebBrowserPermission.cs
- ListBoxAutomationPeer.cs
- ExtensibleClassFactory.cs
- DBSqlParser.cs
- SafeCertificateStore.cs
- CachingHintValidation.cs
- ToolStripPanelRow.cs
- HandlerWithFactory.cs
- ClassImporter.cs
- HashHelper.cs
- StoreItemCollection.cs
- TextHidden.cs
- StringOutput.cs
- SByte.cs
- HttpCapabilitiesBase.cs
- ReferenceEqualityComparer.cs
- SizeFConverter.cs
- ObjectToken.cs
- Win32Exception.cs
- OrderToken.cs
- SafeBitVector32.cs
- WebPartConnectionsDisconnectVerb.cs
- HuffmanTree.cs
- AspNetSynchronizationContext.cs
- DataTableNewRowEvent.cs
- DefinitionProperties.cs
- KeyedCollection.cs
- IsolatedStorageFile.cs
- DesignerOptionService.cs
- TableLayoutColumnStyleCollection.cs
- ExtentKey.cs
- DataGridLinkButton.cs
- ISessionStateStore.cs
- TcpServerChannel.cs
- InstanceData.cs
- TemplatingOptionsDialog.cs
- CodeDirectiveCollection.cs
- Stylesheet.cs
- TextDecorationUnitValidation.cs
- HwndTarget.cs
- DefaultBindingPropertyAttribute.cs
- Int16Converter.cs
- XmlAttributeProperties.cs
- MimeReflector.cs
- PasswordRecoveryDesigner.cs
- NoneExcludedImageIndexConverter.cs
- ProfileSettingsCollection.cs
- DbBuffer.cs
- InvalidPropValue.cs
- TextProperties.cs
- NameValueCollection.cs
- FileLoadException.cs
- DaylightTime.cs
- SafeFileHandle.cs
- DoubleConverter.cs
- SecurityHelper.cs
- EncryptedData.cs
- _IPv6Address.cs
- PrimitiveSchema.cs
- XPathExpr.cs
- Attributes.cs
- InvokeMethodActivityDesigner.cs
- Vector3D.cs
- DataControlFieldTypeEditor.cs
- Message.cs
- DirectionalAction.cs
- SwitchElementsCollection.cs
- FixedPageAutomationPeer.cs
- LinkClickEvent.cs
- Signature.cs
- LogWriteRestartAreaState.cs
- SqlDataSourceSelectingEventArgs.cs
- FastEncoder.cs
- DirectoryObjectSecurity.cs
- OdbcPermission.cs
- FloaterBaseParaClient.cs
- StorageInfo.cs