Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / ListViewGroupCollectionEditor.cs / 1 / ListViewGroupCollectionEditor.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- [assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Scope="member", Target="System.Windows.Forms.Design.ListViewGroupCollectionEditor..ctor(System.Type)")] namespace System.Windows.Forms.Design { using System.Runtime.InteropServices; using System.Diagnostics; using System; using System.IO; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.ComponentModel.Design.Serialization; using System.Windows.Forms; using System.Drawing; using System.Design; using System.Drawing.Design; using System.Windows.Forms.ComponentModel; ////// /// internal class ListViewGroupCollectionEditor : CollectionEditor { object editValue; ////// Provides an editor for an image collection. ////// /// public ListViewGroupCollectionEditor(Type type) : base(type){ } ////// /// Creates a ListViewGroup instance. /// protected override object CreateInstance(Type itemType) { ListViewGroup lvg = (ListViewGroup) base.CreateInstance(itemType); // Create an unique name for the list view group. lvg.Name = CreateListViewGroupName((ListViewGroupCollection) this.editValue); return lvg; } private string CreateListViewGroupName(ListViewGroupCollection lvgCollection) { string lvgName = "ListViewGroup"; string resultName; INameCreationService ncs = this.GetService(typeof(INameCreationService)) as INameCreationService; IContainer container = this.GetService(typeof(IContainer)) as IContainer; if (ncs != null && container != null) { lvgName = ncs.CreateName(container, typeof(ListViewGroup)); } // strip the digits from the end. while (Char.IsDigit(lvgName[lvgName.Length - 1])) { lvgName = lvgName.Substring(0, lvgName.Length - 1); } int i = 1; resultName = lvgName + i.ToString(System.Globalization.CultureInfo.CurrentCulture); while (lvgCollection[resultName] != null) { i ++; resultName = lvgName + i.ToString(System.Globalization.CultureInfo.CurrentCulture); } return resultName; } public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) { this.editValue = value; object ret; // This will block while the ListViewGroupCollectionDialog is running. ret = base.EditValue(context, provider, value); // The user is done w/ the ListViewGroupCollectionDialog. // Don't need the edit value any longer this.editValue = null; return ret; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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