Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / WinForms / Managed / System / WinForms / ListItemConverter.cs / 1 / ListItemConverter.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; ////// /// ListViewItemConverter is a class that can be used to convert /// ListViewItem objects from one data type to another. Access this /// class through the TypeDescriptor. /// public class ListViewItemConverter : 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 ListViewItem) { ListViewItem item = (ListViewItem)value; ConstructorInfo ctor; // Should we use the subitem constructor? // for(int i=1; i < item.SubItems.Count; ++i) { if (item.SubItems[i].CustomStyle) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(ListViewItem.ListViewSubItem[]), typeof(string)}); if (ctor != null) { ListViewItem.ListViewSubItem[] subItemArray = new ListViewItem.ListViewSubItem[item.SubItems.Count]; ((ICollection)item.SubItems).CopyTo(subItemArray, 0); return new InstanceDescriptor(ctor, new object[] {subItemArray, item.ImageKey}, false); } else { break; } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(ListViewItem.ListViewSubItem[]), typeof(int)}); if (ctor != null) { ListViewItem.ListViewSubItem[] subItemArray = new ListViewItem.ListViewSubItem[item.SubItems.Count]; ((ICollection)item.SubItems).CopyTo(subItemArray, 0); return new InstanceDescriptor(ctor, new object[] {subItemArray, item.ImageIndex}, false); } else { break; } } } } // Convert SubItem array to string array // string[] subItems = new string[item.SubItems.Count]; for(int i=0; i < subItems.Length; ++i) { subItems[i] = item.SubItems[i].Text; } // ForeColor, BackColor or ItemFont set // if (item.SubItems[0].CustomStyle) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(string), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { subItems, item.ImageKey, item.SubItems[0].CustomForeColor ? item.ForeColor : Color.Empty, item.SubItems[0].CustomBackColor ? item.BackColor : Color.Empty, item.SubItems[0].CustomFont ? item.Font : null }, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(int), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { subItems, item.ImageIndex, item.SubItems[0].CustomForeColor ? item.ForeColor : Color.Empty, item.SubItems[0].CustomBackColor ? item.BackColor : Color.Empty, item.SubItems[0].CustomFont ? item.Font : null }, false); } } } // Text // if (item.ImageIndex == -1 && String.IsNullOrEmpty(item.ImageKey) && item.SubItems.Count <= 1) { ctor = typeof(ListViewItem).GetConstructor(new Type[] {typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text}, false); } } // Text and Image // if (item.SubItems.Count <= 1) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text, item.ImageKey}, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text, item.ImageIndex}, false); } } } // Text, Image and SubItems // if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {subItems, item.ImageKey}, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {subItems, item.ImageIndex}, false); } } } return base.ConvertTo(context, culture, value, destinationType); } } internal class ListViewSubItemConverter : ExpandableObjectConverter { public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor)) { return true; } return base.CanConvertTo(context, destinationType); } 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 ListViewItem.ListViewSubItem) { ListViewItem.ListViewSubItem item = (ListViewItem.ListViewSubItem)value; ConstructorInfo ctor; // Subitem has custom style // if (item.CustomStyle) { ctor = typeof(ListViewItem.ListViewSubItem).GetConstructor(new Type[] { typeof(ListViewItem), typeof(string), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { null, item.Text, item.ForeColor, item.BackColor, item.Font}, true); } } // Otherwise, just use the text constructor // ctor = typeof(ListViewItem.ListViewSubItem).GetConstructor(new Type[] {typeof(ListViewItem), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {null, item.Text}, 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; ////// /// ListViewItemConverter is a class that can be used to convert /// ListViewItem objects from one data type to another. Access this /// class through the TypeDescriptor. /// public class ListViewItemConverter : 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 ListViewItem) { ListViewItem item = (ListViewItem)value; ConstructorInfo ctor; // Should we use the subitem constructor? // for(int i=1; i < item.SubItems.Count; ++i) { if (item.SubItems[i].CustomStyle) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(ListViewItem.ListViewSubItem[]), typeof(string)}); if (ctor != null) { ListViewItem.ListViewSubItem[] subItemArray = new ListViewItem.ListViewSubItem[item.SubItems.Count]; ((ICollection)item.SubItems).CopyTo(subItemArray, 0); return new InstanceDescriptor(ctor, new object[] {subItemArray, item.ImageKey}, false); } else { break; } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(ListViewItem.ListViewSubItem[]), typeof(int)}); if (ctor != null) { ListViewItem.ListViewSubItem[] subItemArray = new ListViewItem.ListViewSubItem[item.SubItems.Count]; ((ICollection)item.SubItems).CopyTo(subItemArray, 0); return new InstanceDescriptor(ctor, new object[] {subItemArray, item.ImageIndex}, false); } else { break; } } } } // Convert SubItem array to string array // string[] subItems = new string[item.SubItems.Count]; for(int i=0; i < subItems.Length; ++i) { subItems[i] = item.SubItems[i].Text; } // ForeColor, BackColor or ItemFont set // if (item.SubItems[0].CustomStyle) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(string), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { subItems, item.ImageKey, item.SubItems[0].CustomForeColor ? item.ForeColor : Color.Empty, item.SubItems[0].CustomBackColor ? item.BackColor : Color.Empty, item.SubItems[0].CustomFont ? item.Font : null }, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(int), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { subItems, item.ImageIndex, item.SubItems[0].CustomForeColor ? item.ForeColor : Color.Empty, item.SubItems[0].CustomBackColor ? item.BackColor : Color.Empty, item.SubItems[0].CustomFont ? item.Font : null }, false); } } } // Text // if (item.ImageIndex == -1 && String.IsNullOrEmpty(item.ImageKey) && item.SubItems.Count <= 1) { ctor = typeof(ListViewItem).GetConstructor(new Type[] {typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text}, false); } } // Text and Image // if (item.SubItems.Count <= 1) { if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text, item.ImageKey}, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {item.Text, item.ImageIndex}, false); } } } // Text, Image and SubItems // if (!String.IsNullOrEmpty(item.ImageKey)) { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {subItems, item.ImageKey}, false); } } else { ctor = typeof(ListViewItem).GetConstructor(new Type[] { typeof(string[]), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {subItems, item.ImageIndex}, false); } } } return base.ConvertTo(context, culture, value, destinationType); } } internal class ListViewSubItemConverter : ExpandableObjectConverter { public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor)) { return true; } return base.CanConvertTo(context, destinationType); } 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 ListViewItem.ListViewSubItem) { ListViewItem.ListViewSubItem item = (ListViewItem.ListViewSubItem)value; ConstructorInfo ctor; // Subitem has custom style // if (item.CustomStyle) { ctor = typeof(ListViewItem.ListViewSubItem).GetConstructor(new Type[] { typeof(ListViewItem), typeof(string), typeof(Color), typeof(Color), typeof(Font)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { null, item.Text, item.ForeColor, item.BackColor, item.Font}, true); } } // Otherwise, just use the text constructor // ctor = typeof(ListViewItem.ListViewSubItem).GetConstructor(new Type[] {typeof(ListViewItem), typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {null, item.Text}, 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
- Keyboard.cs
- xmlglyphRunInfo.cs
- UriParserTemplates.cs
- VectorCollection.cs
- FragmentNavigationEventArgs.cs
- Condition.cs
- OperationInfoBase.cs
- TableStyle.cs
- ServicesUtilities.cs
- KeyPressEvent.cs
- BamlBinaryReader.cs
- EventSetterHandlerConverter.cs
- Timer.cs
- CodeExporter.cs
- SerializationAttributes.cs
- IItemProperties.cs
- DataGridViewCheckBoxCell.cs
- PeerInvitationResponse.cs
- OleDbConnectionInternal.cs
- ConstraintConverter.cs
- Application.cs
- CryptoStream.cs
- SortAction.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- IgnoreSection.cs
- RSAProtectedConfigurationProvider.cs
- PointCollection.cs
- Receive.cs
- PackageDigitalSignature.cs
- DataRecordInternal.cs
- storepermissionattribute.cs
- StateMachineTimers.cs
- XMLSchema.cs
- Directory.cs
- TypedTableBase.cs
- _DigestClient.cs
- LicenseManager.cs
- PartitionResolver.cs
- StringFreezingAttribute.cs
- StandardCommands.cs
- WorkflowViewElement.cs
- MouseGestureConverter.cs
- EntityConnectionStringBuilder.cs
- PresentationSource.cs
- ModuleBuilderData.cs
- BitmapDecoder.cs
- MsmqActivation.cs
- CompilationUtil.cs
- XmlSerializationGeneratedCode.cs
- SafeNativeMethods.cs
- QueuePathDialog.cs
- Vector3DAnimationBase.cs
- RtfToken.cs
- DataGridCellItemAutomationPeer.cs
- ResourceAssociationType.cs
- HttpWebRequestElement.cs
- ClientSideQueueItem.cs
- QueryStringConverter.cs
- ProjectionQueryOptionExpression.cs
- GC.cs
- GradientBrush.cs
- ButtonColumn.cs
- FontStyleConverter.cs
- BuildManagerHost.cs
- InfoCardListRequest.cs
- HistoryEventArgs.cs
- FrameworkContextData.cs
- XmlHierarchicalDataSourceView.cs
- ListControl.cs
- GlyphingCache.cs
- EventSinkHelperWriter.cs
- NativeObjectSecurity.cs
- RenderData.cs
- AndCondition.cs
- DataGridColumnCollection.cs
- _ProxyRegBlob.cs
- SliderAutomationPeer.cs
- TabControlEvent.cs
- InputProcessorProfilesLoader.cs
- StrokeCollection.cs
- StdRegProviderWrapper.cs
- OrderedHashRepartitionEnumerator.cs
- RepeatBehavior.cs
- Parameter.cs
- CompiledRegexRunner.cs
- XmlException.cs
- DoubleLinkList.cs
- DbProviderFactory.cs
- WindowsGrip.cs
- RegexCharClass.cs
- MimeObjectFactory.cs
- CheckoutException.cs
- DataViewListener.cs
- OverrideMode.cs
- GeneralTransformCollection.cs
- PrefixHandle.cs
- Button.cs
- PluralizationServiceUtil.cs
- GeneralTransform.cs
- QfeChecker.cs