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 / TreeViewImageKeyConverter.cs / 1 / TreeViewImageKeyConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms { using Microsoft.Win32; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Collections.Specialized; ////// /// ImageIndexConverter is a class that can be used to convert /// image index values one data type to another. /// public class TreeViewImageKeyConverter : ImageKeyConverter { ////// /// 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(string) && (value == null)) { return SR.GetString(SR.toStringDefault); } else { string strValue = value as string; if (strValue != null && (strValue.Length == 0)) { return SR.GetString(SR.toStringDefault); } } 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 Microsoft.Win32; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Collections.Specialized; ////// /// ImageIndexConverter is a class that can be used to convert /// image index values one data type to another. /// public class TreeViewImageKeyConverter : ImageKeyConverter { ////// /// 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(string) && (value == null)) { return SR.GetString(SR.toStringDefault); } else { string strValue = value as string; if (strValue != null && (strValue.Length == 0)) { return SR.GetString(SR.toStringDefault); } } 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
- filewebresponse.cs
- M3DUtil.cs
- DrawListViewSubItemEventArgs.cs
- SqlStatistics.cs
- ProtectedProviderSettings.cs
- AsyncStreamReader.cs
- CachedCompositeFamily.cs
- StandardCommandToolStripMenuItem.cs
- ForEachAction.cs
- Stack.cs
- Geometry.cs
- ContainerUIElement3D.cs
- AppPool.cs
- NavigationProperty.cs
- OleDbConnection.cs
- GeneralTransformCollection.cs
- unsafenativemethodstextservices.cs
- BuilderInfo.cs
- WriteTimeStream.cs
- LineBreakRecord.cs
- ParentQuery.cs
- BuildProviderCollection.cs
- CustomSignedXml.cs
- PrintingPermissionAttribute.cs
- PageThemeParser.cs
- ScrollItemPatternIdentifiers.cs
- SortKey.cs
- OleDbCommand.cs
- ListMarkerSourceInfo.cs
- KeyedCollection.cs
- SecurityManager.cs
- DbParameterHelper.cs
- CommandEventArgs.cs
- RoutedCommand.cs
- ConfigurationFileMap.cs
- SynchronizationLockException.cs
- BuildManagerHost.cs
- SqlServices.cs
- ConfigurationManagerHelperFactory.cs
- SqlDataSourceAdvancedOptionsForm.cs
- NativeMethods.cs
- ResourceAssociationType.cs
- EmptyCollection.cs
- Compiler.cs
- WeakReferenceEnumerator.cs
- UseLicense.cs
- _NetRes.cs
- PrintController.cs
- PropertyGridEditorPart.cs
- HtmlControl.cs
- DocumentSchemaValidator.cs
- DrawingAttributesDefaultValueFactory.cs
- RichTextBox.cs
- MetadataWorkspace.cs
- BaseTypeViewSchema.cs
- AuthorizationRuleCollection.cs
- EncryptRequest.cs
- OleServicesContext.cs
- CodePageUtils.cs
- Point.cs
- RenderDataDrawingContext.cs
- ObjectViewEntityCollectionData.cs
- CurrentTimeZone.cs
- XmlTextReader.cs
- XmlSchemaSimpleTypeList.cs
- CreateUserWizardStep.cs
- StandardOleMarshalObject.cs
- Qualifier.cs
- ValidationPropertyAttribute.cs
- SqlVisitor.cs
- FixedDocument.cs
- BindingExpressionUncommonField.cs
- SignatureDescription.cs
- OutputCacheProfile.cs
- ThrowHelper.cs
- AnnouncementInnerClientCD1.cs
- EntitySqlQueryCacheKey.cs
- OperationPickerDialog.designer.cs
- PolygonHotSpot.cs
- Boolean.cs
- XsltConvert.cs
- Int16KeyFrameCollection.cs
- SqlError.cs
- StylusSystemGestureEventArgs.cs
- RawStylusActions.cs
- QueueNameHelper.cs
- TableAdapterManagerNameHandler.cs
- ScrollPattern.cs
- DataTemplateSelector.cs
- ProtocolsSection.cs
- GcHandle.cs
- ToolStripItemEventArgs.cs
- ObjectDataSourceView.cs
- QilIterator.cs
- EncryptedType.cs
- UserControlDesigner.cs
- PageAsyncTask.cs
- TimeSpanOrInfiniteConverter.cs
- WebPartZone.cs
- ContextStaticAttribute.cs