Fixed deleting directories when "Use recycle bin" option was activated.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2700 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Boo/BooBinding/Project/BooBinding.addin

@@ -76,6 +76,7 @@
 		      resource   = "Boo.FileIcon"/>
 	</Path>
 	
+	
 	<Path name = "/SharpDevelop/BackendBindings/Templates">
 		<Directory id = "Boo" path = "./Templates" />
 	</Path>

src/Main/Base/Project/Src/Project/MSBuildEngine.cs

@@ -42,23 +42,25 @@ namespace ICSharpCode.SharpDevelop.Project
 		public static readonly ICollection<string> CompileTaskNames;
 		
 		/// <summary>
-		/// Gets a list where addins can add additional properties for use in MsBuild.
+		/// Gets a list where addins can add additional properties for use in MSBuild.
+		/// You can add items to this dictionary by putting strings into
+		/// "/SharpDevelop/MSBuildEngine/AdditionalProperties".
 		/// </summary>
-		public static readonly SortedList<string, string> MSBuildProperties;
+		public static readonly IDictionary<string, string> MSBuildProperties;
 		
 		/// <summary>
 		/// Gets a list of additional target files that are automatically loaded into all projects.
 		/// You can add items into this list by putting strings into
 		/// "/SharpDevelop/MSBuildEngine/AdditionalTargetFiles"
 		/// </summary>
-		public static readonly List<string> AdditionalTargetFiles;
+		public static readonly IList<string> AdditionalTargetFiles;
 		
 		/// <summary>
 		/// Gets a list of additional MSBuild loggers.
 		/// You can register your loggers by putting them into
 		/// "/SharpDevelop/MSBuildEngine/AdditionalLoggers"
 		/// </summary>
-		public static readonly List<IMSBuildAdditionalLogger> AdditionalMSBuildLoggers;
+		public static readonly IList<IMSBuildAdditionalLogger> AdditionalMSBuildLoggers;
 		
 		static MSBuildEngine()
 		{

src/Main/Base/Project/Src/Util/NativeMethods.cs

@@ -96,7 +96,7 @@ namespace ICSharpCode.SharpDevelop
 		
 		public static void DeleteToRecycleBin(string fileName)
 		{
-			if (!File.Exists(fileName))
+			if (!File.Exists(fileName) && !Directory.Exists(fileName))
 				throw new FileNotFoundException("File not found.", fileName);
 			SHFILEOPSTRUCT info = new SHFILEOPSTRUCT();
 			info.hwnd = Gui.WorkbenchSingleton.MainForm.Handle;