TImageEnMView.UnlockPaint
 
Declaration
function UnlockPaint(): integer;
Description
Decrement the 
lock paint counter (use after calling 
LockPaint).
If the lock count is zero, then 
Update is called to refresh the view.
Returns the lock count.
// Disable painting of component
ImageEnMView1.LockPaint();
try
  ... Perform activities, e.g. appending many files
finally
  // Re-enable painting and refresh view
  ImageEnMView1.UnlockPaint();
end;