Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / WinForms / Managed / System / WinForms / ColumnHeaderConverter.cs / 1 / ColumnHeaderConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms { using System.Runtime.Serialization.Formatters; using System.Runtime.Remoting; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Reflection; ////// /// public class ColumnHeaderConverter : ExpandableObjectConverter { ////// /// 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 ColumnHeader) { ColumnHeader col = (ColumnHeader) value; ConstructorInfo ctor; Type t = TypeDescriptor.GetReflectionType(value); InstanceDescriptor id = null; if (col.ImageIndex != -1) { ctor = t.GetConstructor(new Type[]{typeof(int)}); if (ctor != null) { id = new InstanceDescriptor(ctor, new object[]{col.ImageIndex}, false); } } if (id == null && !String.IsNullOrEmpty(col.ImageKey)) { ctor = t.GetConstructor(new Type[]{typeof(string)}); if (ctor != null) { id = new InstanceDescriptor(ctor, new object[]{col.ImageKey}, false); } } if (id == null) { ctor = t.GetConstructor(new Type[0]); if (ctor != null) { return new InstanceDescriptor(ctor, new object[0], false); } else { throw new ArgumentException(SR.GetString(SR.NoDefaultConstructor, t.FullName)); } } return id; } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms { using System.Runtime.Serialization.Formatters; using System.Runtime.Remoting; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Reflection; ////// /// public class ColumnHeaderConverter : ExpandableObjectConverter { ////// /// 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 ColumnHeader) { ColumnHeader col = (ColumnHeader) value; ConstructorInfo ctor; Type t = TypeDescriptor.GetReflectionType(value); InstanceDescriptor id = null; if (col.ImageIndex != -1) { ctor = t.GetConstructor(new Type[]{typeof(int)}); if (ctor != null) { id = new InstanceDescriptor(ctor, new object[]{col.ImageIndex}, false); } } if (id == null && !String.IsNullOrEmpty(col.ImageKey)) { ctor = t.GetConstructor(new Type[]{typeof(string)}); if (ctor != null) { id = new InstanceDescriptor(ctor, new object[]{col.ImageKey}, false); } } if (id == null) { ctor = t.GetConstructor(new Type[0]); if (ctor != null) { return new InstanceDescriptor(ctor, new object[0], false); } else { throw new ArgumentException(SR.GetString(SR.NoDefaultConstructor, t.FullName)); } } return id; } return base.ConvertTo(context, culture, value, destinationType); } } } // 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
- ConnectionManagementElementCollection.cs
- DashStyle.cs
- MethodBuilderInstantiation.cs
- Identity.cs
- ErrorWebPart.cs
- WindowsSpinner.cs
- XmlMembersMapping.cs
- WindowsGraphicsWrapper.cs
- RichTextBox.cs
- OleDbMetaDataFactory.cs
- BamlLocalizationDictionary.cs
- PageEventArgs.cs
- CodeSubDirectory.cs
- PageVisual.cs
- _OSSOCK.cs
- XmlSchemaSequence.cs
- PersonalizationProviderHelper.cs
- basemetadatamappingvisitor.cs
- EventLogPermissionEntry.cs
- HuffModule.cs
- AggregateNode.cs
- ListViewInsertionMark.cs
- XmlUnspecifiedAttribute.cs
- Speller.cs
- HtmlElementCollection.cs
- SessionPageStateSection.cs
- MinMaxParagraphWidth.cs
- ObjectSecurityT.cs
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- ClientConfigurationHost.cs
- ClientProxyGenerator.cs
- GeneralTransform3DTo2DTo3D.cs
- Visual3DCollection.cs
- Point3DCollectionConverter.cs
- AmbientProperties.cs
- LeaseManager.cs
- WinHttpWebProxyFinder.cs
- SessionPageStateSection.cs
- Wizard.cs
- DerivedKeySecurityTokenStub.cs
- UncommonField.cs
- ListView.cs
- DesignTimeVisibleAttribute.cs
- HebrewCalendar.cs
- CompensateDesigner.cs
- ProcessManager.cs
- SpellerError.cs
- SqlRowUpdatedEvent.cs
- HtmlEmptyTagControlBuilder.cs
- AuthenticationSection.cs
- ProcessRequestAsyncResult.cs
- MemberNameValidator.cs
- ExpressionVisitor.cs
- XmlAutoDetectWriter.cs
- NullableDecimalAverageAggregationOperator.cs
- GlyphsSerializer.cs
- TreeNodeStyleCollection.cs
- Line.cs
- RegexParser.cs
- PointCollection.cs
- Point.cs
- Timer.cs
- XmlSchemaAppInfo.cs
- DataGridCaption.cs
- NativeMethods.cs
- ParameterToken.cs
- ComplusTypeValidator.cs
- ComponentChangingEvent.cs
- relpropertyhelper.cs
- StateMachineHistory.cs
- TransformPatternIdentifiers.cs
- XmlILAnnotation.cs
- AttachedAnnotationChangedEventArgs.cs
- SqlParameter.cs
- MaskedTextBox.cs
- ProfileServiceManager.cs
- SoapCodeExporter.cs
- fixedPageContentExtractor.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- CheckStoreFileValidityRequest.cs
- DynamicPropertyHolder.cs
- ListViewCancelEventArgs.cs
- SystemPens.cs
- NumberEdit.cs
- CompilationLock.cs
- XmlNodeChangedEventArgs.cs
- Geometry3D.cs
- Random.cs
- ValueSerializerAttribute.cs
- SizeF.cs
- SafeRightsManagementHandle.cs
- ObjectViewQueryResultData.cs
- StateChangeEvent.cs
- PagesSection.cs
- TemplatePartAttribute.cs
- PackageFilter.cs
- ColorBuilder.cs
- FacetChecker.cs
- Vector3D.cs
- StyleSheetComponentEditor.cs