Page 1 of 1

How OnZoomChange functions

PostPosted: December 22nd, 2005, 2:11 pm
by Mirage
Hello

How OnZoomChange functions????
Please give me example.

Thank you

PostPosted: December 22nd, 2005, 2:52 pm
by elias
Please write "SimpleGraphZoomChange" in ZoomChange (In the Object Inspector);
You'll see this:
Code: Select all
procedure TMainForm.SimpleGraphZoomChange(Sender: TObject);
begin

end;

Now write:
Code: Select all
procedure TMainForm.SimpleGraphZoomChange(Sender: TObject);
begin
showmessage('Here comes the Zoom event');
end;

This way, each time you increse or decrease the zoom, you will run the SimpleGraphZoomChange.

Is this what you were asking for???