TCanvas, FloodFill, Flashing on TCanvas, deleteing content

Thomas Bauer schrieb in Nachricht <731ve1$>...

>Please help me with this:

>I FloodFill a an area on an Canvas with a blue border using fsBorder.
>I fill the shape with Brush-Style : bsDiagCross.
>How could I repaint the shape with another color?

>How do I paint something on a Canvas without having Windows redraw the
>Canvas? (this makes this ugly flashing effect!)

>How could I delete the whole/a part content of a Canvas?

>Please answer via EMail:
>Thanx a lot!