Refactoring this... Ctrl R+M

gistfile1.txt

                try
                {
                    return (IMXActionResult)actionMethodInfo.Invoke(this, argumentList.ToArray());
                }
                catch (ArgumentException exception)
                {
                    // this should be impossible - as we've checked the types in the GenerateActionMap method
                    return ShowError("parameter type mismatch seen " + exception.Message);
                }
                catch (TargetParameterCountException exception)
                {
                    // this should be impossible as we've created the parameter array above to match the method signature
                    return ShowError("parameter count mismatch seen " + exception.Message);
                }
                catch (TargetInvocationException exception)
                {
                    if (exception.InnerException != null)
                        return ShowError(exception.InnerException);
                    else
                        return ShowError("unknown action exception seen " + exception.Message);
                }