How do I stop screen updates?

[FrankThynne]

I want to temporarily turn off screen updating while a series of tasks runs automatically, but can't find the appropriate procedure, method or property. (In VB it would, I think, be Application.Echo = False or something similar).

 

[Svanhooft]

Hi,

if you mean that you donn't want to show the output to the screen while updating tables, you can do the following:

with CustTable do
begin
  DisableControls;
  try
    First;
    while not Eof do
    begin
     { Process each record here }
     Next;
    end;
  finally
    EnableControls;
  end;
end;

It wil stop the output to the controls connected to the database.

Steph

 

[FrankThynne]

Thanks for responding, Steph.

Your suggestion would be right if I were processing a dataset - but I'm not.

What I'm doing is processing a user-written script which is loaded into a memo control. In its normal mode of operation, I show the progress by selecting the statement being executed.

The script processor has evolved and now allows the user to start from a selected point and, to save writing new code, the earlier statements are handled as before but without execution - so showing the moving selection is inappropriate. I therefore wanted to avoid visibly updating the control until execution resumed. I tried disabling the control; this improved the behaviour a bit and selections weren't highlighted, but the control still scrolled as the selection point changed.

I suppose I could hide the control, but I didn't really want to.