There is a dgProp to disable interaction with the datagrid. 

Bob S

> On Dec 18, 2018, at 14:11 , Trevor DeVore via use-livecode 
> <> wrote:
> On Tue, Dec 18, 2018 at 3:11 PM Paul Dupuis via use-livecode <
>> wrote:
>> Does the idea to close the report display window if and when the
>> datagrid is being updated make sense as a precaution? We can always lock
>> the screen, close the window, update the datagrid contents, reopen the
>> window and unlock the screen to minimize visible changes to the user.
> I don't know that you need to close down the window. What about setting the
> dgData and dgColumns to empty so that the user can't interact with it while
> updating? Or overlay a semi-transparent graphic over the top that eats
> mouse events? Since you are upgrading to 9.0.2 you could also use the
> Spinner widget placed in the middle of the Data Grid to show that you are
> crunching some data.
> -- 
> Trevor DeVore

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