uh, don't mess up terms now :P
So, putting GUI gadgets on that canvas is not smart thing to do..
setgraphics canvasgraphics(yourcanvas) ; right here you can use the gfx commands ; each position-related gfx command has x,y commands and sometimes x2,y2 or width,height commands ; like: ; plot x,y ; drawrect x,y,w,h ; line x,y,x2,y2 ; drawimage yourimage,x,y flip
So, putting GUI gadgets on that canvas is not smart thing to do..