public void SaveEdits()

// Create a new TIN 
tinEditor = new TinEditor(envelope);
tinEditor.AddMassPoints(points, 42, 13.7);

// Since the TIN doesn't exist on disk, you can't call SaveEdits.
// You must call SaveAs first.
try
{
  tinEditor.SaveEdits();
}
catch (TinException)
{
  // Handle the exception
}

// Since the TIN doesn't exist on disk, you can't call StopEditing(true).
// You must call SaveAs first.
try
{
  tinEditor.StopEditing(true);
}
catch (TinException)
{
  // Handle the exception
}

// Now save the newly created TIN to disk
tinEditor.SaveAs("C:\\Tin1", false);

// Delete a node
tinEditor.DeleteNode(7);

// Since the TIN now exists on disk you can call SaveEdits
tinEditor.SaveEdits();

// Delete another node
tinEditor.DeleteNode(11);

// Since the TIN now exists on disk, you can call StopEditing(true).
// The edits will be saved and the tin editor will be taken out of edit mode.
tinEditor.StopEditing(true);
bool isInEditMode = tinEditor.IsInEditMode; // isInEditMode = false

// Now if you try to make an edit, an exception is thrown because the editor is not in edit mode.
try
{
  tinEditor.AddPointZ(pointZ, 0);
}
catch (TinException)
{
  // Handle the exception
}

// Put the editor into edit mode.
tinEditor.StartEditing();
isInEditMode = tinEditor.IsInEditMode; // isInEditMode = true

// Now you can add the point
tinEditor.AddPointZ(pointZ, 0);

// Oops, you didn't really want to add the point. You want to stop editing and discard the unsaved edits
// since the last time the editor was put into edit mode. All previous saved edits remain.
tinEditor.StopEditing(false);

// Create an instance of TinEditor from an existing TinDataset
tinEditor = new TinEditor(tinDataset);
int numNodes = tinDataset.GetNodeCount();  // numNodes = 10
tinEditor.AddPointZ(pointZ, 7);

// Calling SaveEdits modifies the existing TIN
tinEditor.SaveEdits();
numNodes = tinDataset.GetNodeCount();  // numNodes = 11

// Adding twenty points
tinEditor.AddMassPoints(points, 10, 112.5);

// Calling SaveAs creates a new TIN on disk, and 
// the tin editor points to the new TIN.
string tinPath2 = "C:\\Tin2";
tinEditor.SaveAs(tinPath2, true);

tinEditor.StopEditing(true);
TinDataset tinDataset2 = OpenTin(tinPath2); // See https://github.com/esri/arcgis-pro-sdk/wiki/ProConcepts-3D-Analyst-Data#working-with-tin-data
numNodes = tinDataset2.GetNodeCount(); // numNodes = 31

// The edits still show up in the original TIN while it is in memory, but if you open it
// again you will see that it only has the edits that were saved before SaveAs was called.
numNodes = tinDataset.GetNodeCount(); // numNodes = 31

tinDataset = OpenTin(tinPath);
numNodes = tinDataset.GetNodeCount(); // numNodes = 11