Graphic Fluency lazarus / 39-Graphics ---------------------------------------------------------------------- Peiman · 2009-10-28 16:06 I use bitblt function to draw a TBitmap on an visual canvas like TImage or TForm.Canvas. There is a very quick white flash when it runs which reduce the sense of fluency. How can I get rid of it? ---------------------------------------------------------------------- felipemdc · 2009-11-05 20:08 It's all explained here: http://wiki.lazarus.freepascal.org/Developing_with_Graphics#Motion_Gra phics_-_How_to_Avoid_flickering