Use the fallback method is evaluation of Exception.StackTrace fails.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@3213 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/Service/WindowsDebugger.cs

@@ -607,7 +607,13 @@ namespace ICSharpCode.SharpDevelop.Services
 			// Need to intercept now so that we can evaluate properties
 			if (e.Process.SelectedThread.InterceptCurrentException()) {
 				msg.AppendLine(e.Exception.ToString());
-				msg.Append(e.Exception.GetStackTrace(StringParser.Parse("${res:MainWindow.Windows.Debug.ExceptionForm.LineFormat.EndOfInnerException}")));
+				string stackTrace;
+				try {
+					stackTrace = e.Exception.GetStackTrace(StringParser.Parse("${res:MainWindow.Windows.Debug.ExceptionForm.LineFormat.EndOfInnerException}"));
+				} catch (GetValueException) {
+					stackTrace = e.Process.SelectedThread.GetStackTrace(StringParser.Parse("${res:MainWindow.Windows.Debug.ExceptionForm.LineFormat.Symbols}"), StringParser.Parse("${res:MainWindow.Windows.Debug.ExceptionForm.LineFormat.NoSymbols}"));
+				}
+				msg.Append(stackTrace);
 			} else {
 				// For example, happens on stack overflow
 				msg.AppendLine(StringParser.Parse("${res:MainWindow.Windows.Debug.ExceptionForm.Error.CannotInterceptException}"));

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/Exception.cs

@@ -79,6 +79,9 @@ namespace Debugger
 			return GetStackTrace("--- End of inner exception stack trace ---");
 		}
 		
+		/// <summary> Returs formated stacktrace for the exception </summary>
+		/// <exception cref="GetValueException"> Getting the stacktrace involves property
+		/// evaluation so GetValueException can be thrown in some cicumstances. </exception>
 		public string GetStackTrace(string endOfInnerExceptionFormat)
 		{
 			StringBuilder sb = new StringBuilder();