XnView Software

ctrl.ChangeColorDepth(Ax_ToTrueColors)

did it!

Thank you for your fast reply!

I want to draw a dot on a picture in an asp-page. I use this code:
Set ctrl = server.createobject("GflAx193.GflAx")
sPath = Server.MapPath("/grafik/")
sPath = sPath & "\sverige.gif"
ctrl.EnableLZW = true
ctrl.LoadBitMap sPath

ctrl.DrawPoint 15,15,7,RGB(0,0,0)

response.contenttype = "image ...