Arnold Reinders wrote:
> But when I have a standalone bitmap, use only scanline to process the > thing, be careful that no two threads access the same scanline, there > should be no problem, according to Remy.
I don't know _exactly_.
Mr. Bauer, would you please help us.
> I got errors when assigning a bitmap to a TImage displayed on a > TForm. That is probably caused by the problems mentioned above.
You definitely must do it via Sinchronize.
> What is the best way to write an OnProgress event handler to draw the > the bitmap? Draw it on the canvas of a new bitmap and assign that to > a TImage?
You definitely must do it (any drawing on form) via Sinchronize too. So there is no too much difference how to draw. -- Alex