Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / LinkConverter.cs / 1 / LinkConverter.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 LinkConverter : TypeConverter { ///A TypeConverter for LinkLabel.Link objects. Access this /// class through the TypeDescriptor. ////// /// Determines if this converter can convert an object in the given source /// type to the native type of the converter. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } return base.CanConvertFrom(context, sourceType); } ////// /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { 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 the converter's native type. /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string text = ((string)value).Trim(); if (text.Length == 0) { return null; } else { // Parse 2 integer values - Start & Length of the Link. // if (culture == null) { culture = CultureInfo.CurrentCulture; } char sep = culture.TextInfo.ListSeparator[0]; string[] tokens = text.Split(new char[] {sep}); int[] values = new int[tokens.Length]; TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int)); for (int i = 0; i < values.Length; i++) { values[i] = (int)intConverter.ConvertFromString(context, culture, tokens[i]); } if (values.Length == 2) { return new LinkLabel.Link(values[0], values[1]); } else { throw new ArgumentException(SR.GetString(SR.TextParseFailedFormat, text, "Start, Length")); } } } return base.ConvertFrom(context, culture, value); } ////// /// 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 (value is LinkLabel.Link) { if (destinationType == typeof(string)) { LinkLabel.Link link = (LinkLabel.Link)value; if (culture == null) { culture = CultureInfo.CurrentCulture; } string sep = culture.TextInfo.ListSeparator + " "; TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int)); string[] args = new string[2]; int nArg = 0; args[nArg++] = intConverter.ConvertToString(context, culture, link.Start); args[nArg++] = intConverter.ConvertToString(context, culture, link.Length); return string.Join(sep, args); } if (destinationType == typeof(InstanceDescriptor)) { LinkLabel.Link link = (LinkLabel.Link)value; MemberInfo info; if (link.LinkData == null) { info = typeof(LinkLabel.Link).GetConstructor(new Type[] {typeof(int), typeof(int)}); if (info != null) { return new InstanceDescriptor(info, new object[] {link.Start, link.Length}, true); } } else { info = typeof(LinkLabel.Link).GetConstructor(new Type[] {typeof(int), typeof(int), typeof(object)}); if (info != null) { return new InstanceDescriptor(info, new object[] {link.Start, link.Length, link.LinkData}, true); } } } } 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 LinkConverter : TypeConverter { ///A TypeConverter for LinkLabel.Link objects. Access this /// class through the TypeDescriptor. ////// /// Determines if this converter can convert an object in the given source /// type to the native type of the converter. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } return base.CanConvertFrom(context, sourceType); } ////// /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { 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 the converter's native type. /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string text = ((string)value).Trim(); if (text.Length == 0) { return null; } else { // Parse 2 integer values - Start & Length of the Link. // if (culture == null) { culture = CultureInfo.CurrentCulture; } char sep = culture.TextInfo.ListSeparator[0]; string[] tokens = text.Split(new char[] {sep}); int[] values = new int[tokens.Length]; TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int)); for (int i = 0; i < values.Length; i++) { values[i] = (int)intConverter.ConvertFromString(context, culture, tokens[i]); } if (values.Length == 2) { return new LinkLabel.Link(values[0], values[1]); } else { throw new ArgumentException(SR.GetString(SR.TextParseFailedFormat, text, "Start, Length")); } } } return base.ConvertFrom(context, culture, value); } ////// /// 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 (value is LinkLabel.Link) { if (destinationType == typeof(string)) { LinkLabel.Link link = (LinkLabel.Link)value; if (culture == null) { culture = CultureInfo.CurrentCulture; } string sep = culture.TextInfo.ListSeparator + " "; TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int)); string[] args = new string[2]; int nArg = 0; args[nArg++] = intConverter.ConvertToString(context, culture, link.Start); args[nArg++] = intConverter.ConvertToString(context, culture, link.Length); return string.Join(sep, args); } if (destinationType == typeof(InstanceDescriptor)) { LinkLabel.Link link = (LinkLabel.Link)value; MemberInfo info; if (link.LinkData == null) { info = typeof(LinkLabel.Link).GetConstructor(new Type[] {typeof(int), typeof(int)}); if (info != null) { return new InstanceDescriptor(info, new object[] {link.Start, link.Length}, true); } } else { info = typeof(LinkLabel.Link).GetConstructor(new Type[] {typeof(int), typeof(int), typeof(object)}); if (info != null) { return new InstanceDescriptor(info, new object[] {link.Start, link.Length, link.LinkData}, true); } } } } 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
- X509UI.cs
- CachedPathData.cs
- shaper.cs
- Argument.cs
- TimeoutException.cs
- MenuCommand.cs
- CqlIdentifiers.cs
- KeyTime.cs
- TextBoxBase.cs
- XmlReflectionMember.cs
- KnownBoxes.cs
- XsdBuildProvider.cs
- InvalidAsynchronousStateException.cs
- DescendentsWalker.cs
- GetParentChain.cs
- SqlNodeAnnotations.cs
- mediapermission.cs
- __Error.cs
- LoginAutoFormat.cs
- SchemaElementLookUpTableEnumerator.cs
- FormClosedEvent.cs
- HttpPostProtocolReflector.cs
- PageParserFilter.cs
- TogglePatternIdentifiers.cs
- FormConverter.cs
- Int16Converter.cs
- ClientCultureInfo.cs
- BaseTemplateCodeDomTreeGenerator.cs
- DataGridViewCheckBoxColumn.cs
- ReadOnlyCollectionBase.cs
- RoleProviderPrincipal.cs
- MailMessageEventArgs.cs
- XpsDocumentEvent.cs
- CommentAction.cs
- AspNetHostingPermission.cs
- IpcServerChannel.cs
- _TransmitFileOverlappedAsyncResult.cs
- DependencySource.cs
- _ListenerRequestStream.cs
- CompositeCollection.cs
- AddInContractAttribute.cs
- SafeHandle.cs
- ArrayHelper.cs
- xamlnodes.cs
- SecurityState.cs
- httpapplicationstate.cs
- AbstractSvcMapFileLoader.cs
- ListSourceHelper.cs
- ScriptDescriptor.cs
- MsmqProcessProtocolHandler.cs
- CheckBox.cs
- DataFieldEditor.cs
- Rotation3DKeyFrameCollection.cs
- RewritingPass.cs
- DataGridViewImageColumn.cs
- EventDescriptorCollection.cs
- MemoryPressure.cs
- StylusPointDescription.cs
- UIElementParagraph.cs
- PathGeometry.cs
- ToolStripItemImageRenderEventArgs.cs
- TaskForm.cs
- FunctionCommandText.cs
- HwndHost.cs
- DefaultValidator.cs
- TreeViewItemAutomationPeer.cs
- HttpConfigurationSystem.cs
- LocationSectionRecord.cs
- Form.cs
- HexParser.cs
- Imaging.cs
- HtmlDocument.cs
- Pair.cs
- _RequestLifetimeSetter.cs
- UpdateEventArgs.cs
- Registration.cs
- ContextStack.cs
- BinaryObjectInfo.cs
- FirstMatchCodeGroup.cs
- TreeView.cs
- ToolStripRenderEventArgs.cs
- LayoutUtils.cs
- RadioButtonPopupAdapter.cs
- PageContentAsyncResult.cs
- MetadataItem.cs
- CacheSection.cs
- CodeDirectionExpression.cs
- DeclaredTypeElementCollection.cs
- PeerChannelFactory.cs
- Workspace.cs
- MarkedHighlightComponent.cs
- GroupBox.cs
- XmlSerializationWriter.cs
- LicenseManager.cs
- CollectionBase.cs
- SessionPageStatePersister.cs
- AsymmetricKeyExchangeFormatter.cs
- TextEditorLists.cs
- RichTextBoxConstants.cs
- EntityCommandExecutionException.cs