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
- BamlTreeNode.cs
- Base64Stream.cs
- RetrieveVirtualItemEventArgs.cs
- EntityCollection.cs
- Decoder.cs
- DeferrableContent.cs
- SecurityDescriptor.cs
- ProviderUtil.cs
- SecurityDocument.cs
- UrlPath.cs
- InlineObject.cs
- DetailsViewRow.cs
- ListViewItem.cs
- DrawingGroupDrawingContext.cs
- ActivityWithResult.cs
- RecognizedAudio.cs
- ChtmlMobileTextWriter.cs
- CustomServiceCredentials.cs
- DefaultPropertyAttribute.cs
- ImpersonateTokenRef.cs
- WebZone.cs
- Rules.cs
- CounterCreationData.cs
- DataGridColumnHeader.cs
- XamlSerializerUtil.cs
- XPathParser.cs
- Token.cs
- HwndSource.cs
- X509Certificate.cs
- XmlSchemaObjectCollection.cs
- PageStatePersister.cs
- SerializationAttributes.cs
- Camera.cs
- BinaryParser.cs
- EdmItemError.cs
- Random.cs
- TextLine.cs
- AmbiguousMatchException.cs
- TypeSemantics.cs
- unitconverter.cs
- DescendantQuery.cs
- PeerContact.cs
- EmbeddedMailObject.cs
- VisualTarget.cs
- DataGridBoolColumn.cs
- ContentPosition.cs
- TreeViewImageIndexConverter.cs
- ClientBuildManagerTypeDescriptionProviderBridge.cs
- BinaryFormatterSinks.cs
- hebrewshape.cs
- ConfigurationStrings.cs
- ProfileParameter.cs
- OleDbException.cs
- CompiledQueryCacheEntry.cs
- TriggerAction.cs
- _LocalDataStoreMgr.cs
- CacheSection.cs
- RuleSetBrowserDialog.cs
- SoapInteropTypes.cs
- Size.cs
- TableLayoutStyleCollection.cs
- DBConnection.cs
- DrawListViewColumnHeaderEventArgs.cs
- NameNode.cs
- SocketException.cs
- SchemaEntity.cs
- SizeKeyFrameCollection.cs
- QualifierSet.cs
- CheckBoxRenderer.cs
- VisualTreeHelper.cs
- SafeCryptoHandles.cs
- Classification.cs
- DefaultBinder.cs
- CodePrimitiveExpression.cs
- ToolStripDropDownItem.cs
- Native.cs
- SchemaTypeEmitter.cs
- BorderSidesEditor.cs
- DataViewListener.cs
- EntityContainerEntitySet.cs
- CodeGen.cs
- FileIOPermission.cs
- MailWriter.cs
- OptimalBreakSession.cs
- EventArgs.cs
- FrameworkPropertyMetadata.cs
- Size3D.cs
- TreeIterator.cs
- SQLSingleStorage.cs
- ApplicationSecurityManager.cs
- Timer.cs
- XmlEncodedRawTextWriter.cs
- TransformerConfigurationWizardBase.cs
- QueueTransferProtocol.cs
- LineUtil.cs
- XmlDocument.cs
- LoadRetryStrategyFactory.cs
- PreviewPrintController.cs
- SrgsSubset.cs
- HtmlTitle.cs