ImageEn, unit iemview

TImageEnMView.LockUpdate

TImageEnMView.LockUpdate


Declaration

procedure LockUpdate();


Description

Increment the lock update counter. While LockUpdateCount is greater than zero all component updating is disabled.

Use UnlockUpdate to unlock.

Returns the lock count.


Example

// Disable updating of component
ImageEnMView1.LockUpdate();
try
  ... Perform activities, e.g. appending many files
finally
  // Re-enable Updating and refresh view
  ImageEnMView1.UnlockUpdate();
end;

// Paint frame number on each thumbnail
ImageEnMView1.LockUpdate();
for I := 0 to ImageEnMView1.ImageCount - 1 do
begin
  ImageEnMView1.SelectedImage := I;
  ImageEnMView1.Proc.TextOut(Align_text_near_top,
                             Align_text_near_left,
                             '#' + IntToStr( I + 1 ),
                             'Arial',
                             32,
                             clRed,
                             [fsBold]);
end;
ImageEnMView1.UnlockUpdate();