Fixed ObjectDisposedException if user closes SharpDevelop while LoadSolutionProjects thread is running.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4250 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Internal/Templates/Project/ProjectTemplate.cs

@@ -398,6 +398,8 @@ namespace ICSharpCode.SharpDevelop.Internal.Templates
 						projectCreateInformation.Solution.Save();
 						ProjectService.OnSolutionCreated(new SolutionEventArgs(projectCreateInformation.Solution));
 						projectCreateInformation.Solution.Dispose();
+					} else {
+						project.Dispose();
 					}
 					return solutionLocation;
 				} else {

src/Main/Base/Project/Src/Services/ProjectService/ParseableFileContentEnumerator.cs

@@ -166,7 +166,13 @@ namespace ICSharpCode.SharpDevelop.Project
 		bool IsFileOpen(string fileName)
 		{
 			if (viewContentFileNamesCollection == null) {
-				viewContentFileNamesCollection = WorkbenchSingleton.SafeThreadFunction<IList<string>>(FileService.GetOpenFiles);
+				try {
+					viewContentFileNamesCollection = WorkbenchSingleton.SafeThreadFunction<IList<string>>(FileService.GetOpenFiles);
+				} catch (InvalidOperationException ex) {
+					// can happen if the user closes SharpDevelop while the parser thread is running
+					LoggingService.Warn(ex);
+					viewContentFileNamesCollection = new string[0];
+				}
 			}
 			foreach (string contentName in viewContentFileNamesCollection) {
 				if (contentName != null) {