Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -rc046d22cfc010414d21bda8cc15806530e315ca3 -r1279dcba187f56c0ba96dfdb962067304e333475
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingCalculationGroupContextTreeNodeInfoTest.cs	(.../PipingCalculationGroupContextTreeNodeInfoTest.cs)	(revision c046d22cfc010414d21bda8cc15806530e315ca3)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingCalculationGroupContextTreeNodeInfoTest.cs	(.../PipingCalculationGroupContextTreeNodeInfoTest.cs)	(revision 1279dcba187f56c0ba96dfdb962067304e333475)
@@ -1129,6 +1129,12 @@
 
             plugin.Gui = gui;
 
+            // Precondition
+            foreach (var failureMechanismSectionResult in pipingFailureMechanism.SectionResults)
+            {
+                CollectionAssert.IsEmpty(failureMechanismSectionResult.CalculationScenarios);
+            }
+
             DialogBoxHandler = (name, wnd) =>
             {
                 var selectionDialog = new FormTester(name).TheObject as PipingSurfaceLineSelectionDialog;
@@ -1161,6 +1167,117 @@
         }
 
         [Test]
+        public void GivenPipingCalculationsViewGenerateScenariosButtonClicked_WhenCancelButtonClickedAndDialogClosed_ThenSectionResultScenariosNotUpdated()
+        {
+            // Given
+            var gui = mocks.StrictMock<IGui>();
+            var treeViewControl = mocks.StrictMock<TreeViewControl>();
+            var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
+
+            var group = new PipingCalculationGroup();
+
+            var pipingFailureMechanism = new PipingFailureMechanism();
+            var assessmentSectionMock = mocks.StrictMock<IAssessmentSection>();
+
+            var mainWindow = mocks.Stub<IMainWindow>();
+            var parentData = new PipingFailureMechanismContext(pipingFailureMechanism, assessmentSectionMock);
+
+            var surfaceLine1 = new RingtoetsPipingSurfaceLine
+            {
+                Name = "Surface line 1",
+                ReferenceLineIntersectionWorldPoint = new Point2D(0.0, 0.0)
+            };
+
+            surfaceLine1.SetGeometry(new[]
+            {
+                new Point3D(0.0, 5.0, 0.0),
+                new Point3D(0.0, 0.0, 1.0),
+                new Point3D(0.0, -5.0, 0.0)
+            });
+
+            var surfaceLine2 = new RingtoetsPipingSurfaceLine
+            {
+                Name = "Surface line 2",
+                ReferenceLineIntersectionWorldPoint = new Point2D(5.0, 0.0)
+            };
+
+            surfaceLine2.SetGeometry(new[]
+            {
+                new Point3D(5.0, 5.0, 0.0),
+                new Point3D(5.0, 0.0, 1.0),
+                new Point3D(5.0, -5.0, 0.0)
+            });
+
+            var surfaceLines = new[]
+            {
+                surfaceLine1,
+                surfaceLine2
+            };
+            pipingFailureMechanism.AddSection(new FailureMechanismSection("Section 1", new List<Point2D>
+            {
+                new Point2D(0.0, 0.0),
+                new Point2D(5.0, 0.0)
+            }));
+
+            pipingFailureMechanism.AddSection(new FailureMechanismSection("Section 2", new List<Point2D>
+            {
+                new Point2D(5.0, 0.0),
+                new Point2D(10.0, 0.0)
+            }));
+
+            var nodeData = new PipingCalculationGroupContext(group,
+                                                             surfaceLines,
+                                                             new[]
+                                                             {
+                                                                 new TestStochasticSoilModel
+                                                                 {
+                                                                    Geometry =
+                                                                    {
+                                                                        new Point2D(0.0, 0.0), new Point2D(5.0, 0.0)
+                                                                    },
+                                                                 }
+                                                             },
+                                                             pipingFailureMechanism,
+                                                             assessmentSectionMock);
+
+            gui.Expect(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
+            gui.Expect(g => g.MainWindow).Return(mainWindow);
+
+            mocks.ReplayAll();
+
+            plugin.Gui = gui;
+
+            // Precondition
+            foreach (var failureMechanismSectionResult in pipingFailureMechanism.SectionResults)
+            {
+                CollectionAssert.IsEmpty(failureMechanismSectionResult.CalculationScenarios);
+            }
+
+            DialogBoxHandler = (name, wnd) =>
+            {
+                var selectionDialog = new FormTester(name).TheObject as PipingSurfaceLineSelectionDialog;
+                var grid = new ControlTester("SurfaceLineDataGrid", selectionDialog).TheObject as DataGridView;
+
+                grid.Rows[0].Cells[0].Value = true;
+
+                new ButtonTester("CustomCancelButton", selectionDialog).Click();
+            };
+
+            var contextMenu = info.ContextMenuStrip(nodeData, parentData, treeViewControl);
+
+            // When
+            contextMenu.Items[contextMenuAddGenerateCalculationsIndex].PerformClick();
+
+            // Then
+            foreach (var failureMechanismSectionResult in pipingFailureMechanism.SectionResults)
+            {
+                CollectionAssert.IsEmpty(failureMechanismSectionResult.CalculationScenarios);
+            }
+
+            mocks.VerifyAll();
+        }
+
+        [Test]
         public void CanRenameNode_ParentIsPipingFailureMechanismContext_ReturnFalse()
         {
             // Setup