Dynamo.Controls.DynamoView.PerformShutdownSequenceOnViewModel C# (CSharp) Method

        private bool PerformShutdownSequenceOnViewModel()
        {
            // Test cases that make use of views (e.g. recorded tests) have 
            // their own tear down logic as part of the test set-up (mainly 
            // because DynamoModel should stay long enough for verification
            // code to verify data much later than the window closing).
            // 
            if (DynamoModel.IsTestMode)
                return false;

            var sp = new DynamoViewModel.ShutdownParams(
                shutdownHost: false,
                allowCancellation: true,
                closeDynamoView: false);

            if (dynamoViewModel.PerformShutdownSequence(sp))
            {
                //Shutdown wasn't cancelled
                SizeChanged -= DynamoView_SizeChanged;
                LocationChanged -= DynamoView_LocationChanged;
                return true;
            }
            else
            {
                //Shutdown was cancelled
                return false;
            }
        }