Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / DefaultValueAttribute.cs / 1 / DefaultValueAttribute.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.ComponentModel { using System; using System.ComponentModel; using System.Diagnostics; using System.Globalization; using System.Runtime.InteropServices; using System.Runtime.Serialization.Formatters; using System.Security.Permissions; ////// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1019:DefineAccessorsForAttributeArguments")] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes")] [AttributeUsage(AttributeTargets.All)] public class DefaultValueAttribute : Attribute { ///Specifies the default value for a property. ////// This is the default value. /// private object value; ////// public DefaultValueAttribute(Type type, string value) { // The try/catch here is because attributes should never throw exceptions. We would fail to // load an otherwise normal class. try { this.value = TypeDescriptor.GetConverter(type).ConvertFromInvariantString(value); } catch { Debug.Fail("Default value attribute of type " + type.FullName + " threw converting from the string '" + value + "'."); } } ///Initializes a new instance of the ///class, converting the /// specified value to the /// specified type, and using the U.S. English culture as the /// translation /// context. /// public DefaultValueAttribute(char value) { this.value = value; } ///Initializes a new instance of the ///class using a Unicode /// character. /// public DefaultValueAttribute(byte value) { this.value = value; } ///Initializes a new instance of the ///class using an 8-bit unsigned /// integer. /// public DefaultValueAttribute(short value) { this.value = value; } ///Initializes a new instance of the ///class using a 16-bit signed /// integer. /// public DefaultValueAttribute(int value) { this.value = value; } ///Initializes a new instance of the ///class using a 32-bit signed /// integer. /// public DefaultValueAttribute(long value) { this.value = value; } ///Initializes a new instance of the ///class using a 64-bit signed /// integer. /// public DefaultValueAttribute(float value) { this.value = value; } ///Initializes a new instance of the ///class using a /// single-precision floating point /// number. /// public DefaultValueAttribute(double value) { this.value = value; } ///Initializes a new instance of the ///class using a /// double-precision floating point /// number. /// public DefaultValueAttribute(bool value) { this.value = value; } ///Initializes a new instance of the ///class using a /// value. /// public DefaultValueAttribute(string value) { this.value = value; } ///Initializes a new instance of the ///class using a . /// public DefaultValueAttribute(object value) { this.value = value; } ///Initializes a new instance of the ////// class. /// public virtual object Value { get { return value; } } public override bool Equals(object obj) { if (obj == this) { return true; } DefaultValueAttribute other = obj as DefaultValueAttribute; if (other != null) { if (Value != null) { return Value.Equals(other.Value); } else { return (other.Value == null); } } return false; } public override int GetHashCode() { return base.GetHashCode(); } protected void SetValue(object value) { this.value = value; } } }/// Gets the default value of the property this /// attribute is /// bound to. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CompileXomlTask.cs
- InitializationEventAttribute.cs
- GeneralTransform2DTo3D.cs
- SqlWorkflowInstanceStoreLock.cs
- SQLDoubleStorage.cs
- RepeaterItemCollection.cs
- DigestTraceRecordHelper.cs
- PointCollection.cs
- CombinedGeometry.cs
- ControlCodeDomSerializer.cs
- GraphicsPath.cs
- JoinCqlBlock.cs
- DataService.cs
- Flattener.cs
- NegatedCellConstant.cs
- QilExpression.cs
- RootProfilePropertySettingsCollection.cs
- SqlXmlStorage.cs
- CatalogPartChrome.cs
- MetadataExchangeClient.cs
- DoubleUtil.cs
- SemanticBasicElement.cs
- IPAddressCollection.cs
- StylusCollection.cs
- MediaElementAutomationPeer.cs
- LightweightEntityWrapper.cs
- MappingModelBuildProvider.cs
- MobileControlBuilder.cs
- PagesSection.cs
- MetadataPropertyCollection.cs
- TextCollapsingProperties.cs
- PipeStream.cs
- MD5.cs
- DecoratedNameAttribute.cs
- MouseGestureConverter.cs
- MissingMethodException.cs
- Overlapped.cs
- Ipv6Element.cs
- OracleRowUpdatingEventArgs.cs
- Ref.cs
- SelectionRange.cs
- ScriptMethodAttribute.cs
- LinqTreeNodeEvaluator.cs
- HttpHandlersSection.cs
- LockRecursionException.cs
- CurrentTimeZone.cs
- _Semaphore.cs
- ExtendedPropertyInfo.cs
- SerialPinChanges.cs
- ErrorHandler.cs
- SeekableReadStream.cs
- StateManagedCollection.cs
- DataGridViewHeaderCell.cs
- CommonXSendMessage.cs
- DescendentsWalkerBase.cs
- FlowDocument.cs
- _TransmitFileOverlappedAsyncResult.cs
- LabelAutomationPeer.cs
- Viewport2DVisual3D.cs
- XmlNodeChangedEventArgs.cs
- Size.cs
- GridPattern.cs
- Pts.cs
- XsdValidatingReader.cs
- SizeFConverter.cs
- TextElementEditingBehaviorAttribute.cs
- SmtpException.cs
- ScaleTransform.cs
- ApplicationException.cs
- Security.cs
- newitemfactory.cs
- CodeStatement.cs
- LoginUtil.cs
- WindowsFormsLinkLabel.cs
- Errors.cs
- MessageAction.cs
- _FtpDataStream.cs
- DbConnectionPoolIdentity.cs
- TextPointer.cs
- BuilderPropertyEntry.cs
- ContainerParagraph.cs
- LogicalExpressionEditor.cs
- ResourceDisplayNameAttribute.cs
- ServerProtocol.cs
- DPCustomTypeDescriptor.cs
- ProfileService.cs
- FilterQueryOptionExpression.cs
- TaiwanCalendar.cs
- ColumnResizeUndoUnit.cs
- ClientApiGenerator.cs
- XmlSchemaExporter.cs
- TypeInitializationException.cs
- SystemBrushes.cs
- DataControlLinkButton.cs
- TreeNodeCollectionEditor.cs
- JumpItem.cs
- SkipQueryOptionExpression.cs
- ErrorRuntimeConfig.cs
- mda.cs
- UpdateEventArgs.cs