Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / View / AssemblyContextControlItem.cs / 1305376 / AssemblyContextControlItem.cs
//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------- namespace System.Activities.Presentation.Hosting { using System; using System.Collections.Generic; using System.Reflection; using System.Runtime; using System.Diagnostics.CodeAnalysis; using System.Activities.Presentation.Hosting; using System.IO; using System.Linq; //This class is required by the TypeBrowser - it allows browsing defined types either in VS scenario or in //rehosted scenario. The types are divided into two categories - types defined in local assembly (i.e. the one //contained in current project - for that assembly, types are loaded using GetTypes() method), and all other //referenced types - for them, type list is loaded using GetExportedTypes() method. // //if this object is not set in desinger's Items collection or both members are null, the type //browser will not display "Browse for types" option. [Fx.Tag.XamlVisible(false)] public sealed class AssemblyContextControlItem : ContextItem { public AssemblyName LocalAssemblyName { get; set; } [SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly", Justification = "This is by design")] public IListReferencedAssemblyNames { get; set; } public override Type ItemType { get { return typeof(AssemblyContextControlItem); } } public IEnumerable AllAssemblyNamesInContext { get { if ((LocalAssemblyName != null) && LocalAssemblyName.CodeBase != null && (File.Exists(new Uri(LocalAssemblyName.CodeBase).LocalPath))) { yield return LocalAssemblyName.FullName; } foreach (AssemblyName assemblyName in GetEnvironmentAssemblyNames()) { //avoid returning local name twice if (LocalAssemblyName == null || !assemblyName.FullName.Equals(LocalAssemblyName.FullName, StringComparison.Ordinal)) { yield return assemblyName.FullName; } } } } public IEnumerable GetEnvironmentAssemblyNames() { if (this.ReferencedAssemblyNames != null) { return this.ReferencedAssemblyNames; } else { List assemblyNames = new List (); foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies()) { if (!assembly.IsDynamic) { assemblyNames.Add(assembly.GetName()); } } return assemblyNames; } } [SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", Justification = "Multi-Targeting makes sense")] public IEnumerable GetEnvironmentAssemblies (IMultiTargetingSupportService multiTargetingService) { if (this.ReferencedAssemblyNames == null) { return AppDomain.CurrentDomain.GetAssemblies().Where (assembly => !assembly.IsDynamic); } else { List assemblies = new List (); foreach (AssemblyName assemblyName in this.ReferencedAssemblyNames) { Assembly assembly = GetAssembly(assemblyName, multiTargetingService); if (assembly != null) { assemblies.Add(assembly); } } return assemblies; } } [SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", Justification = "Multi-Targeting makes sense")] public static Assembly GetAssembly(AssemblyName assemblyName, IMultiTargetingSupportService multiTargetingService) { Assembly assembly = null; try { if (multiTargetingService != null) { assembly = multiTargetingService.GetReflectionAssembly(assemblyName); } else { assembly = Assembly.Load(assemblyName); } } catch (FileNotFoundException) { //this exception may occur if current project is not compiled yet } catch (FileLoadException) { //the assembly could not be loaded, ignore the error } catch (BadImageFormatException) { //bad assembly } return assembly; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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