System.Exception.IsImmutableAgileException C# (CSharp) Method

        private static extern bool IsImmutableAgileException(Exception e);

        internal void RestoreExceptionDispatchInfo(ExceptionDispatchInfo exceptionDispatchInfo)
        {
            bool flag = !Exception.IsImmutableAgileException(this);

            if (flag)
            {
                try
                {
                }
                finally
                {
                    object currentStackTrace  = (exceptionDispatchInfo.BinaryStackTraceArray == null) ? null : this.DeepCopyStackTrace(exceptionDispatchInfo.BinaryStackTraceArray);
                    object dynamicMethodArray = (exceptionDispatchInfo.DynamicMethodArray == null) ? null : this.DeepCopyDynamicMethods(exceptionDispatchInfo.DynamicMethodArray);
                    object obj = Exception.s_EDILock;
                    lock (obj)
                    {
                        this._watsonBuckets          = exceptionDispatchInfo.WatsonBuckets;
                        this._ipForWatsonBuckets     = exceptionDispatchInfo.IPForWatsonBuckets;
                        this._remoteStackTraceString = exceptionDispatchInfo.RemoteStackTrace;
                        Exception.SaveStackTracesFromDeepCopy(this, currentStackTrace, dynamicMethodArray);
                    }
                    this._stackTraceString = null;
                    Exception.PrepareForForeignExceptionRaise();
                }
            }
        }