Hello,

There isn't a reliable way to know when a 'change' has been completed because 'change' involves many discrete inter-related functions.  Some of these functions are part of the framework and some are part of the XamDataGrid and some are synchronous and some are asynchronous.

If there is a specific change that you want to monitor then you would need to hand craft something for your specific use case.

It may be useful to know what you are looking to learn by knowing how long a change takes and what you plan to do with this information.  Maybe there is a way to get the information you want without knowing specifically how long it takes to display a change in the grid.

Let me know if you have any questions with this matter.