On 31 Jul 2005, at 20:17, Ken Shmidheiser wrote: > Bernie asked: > > >> How do we erase a Quartz drawing without the use of the now >> deprecated EraseRect() ? >> >> From its name, I thought CGContextClearRect() would have done it >> but it fills the rect to black. >> > > > Bernie, > > Clear the kWindowIsOpaque bit in HIWindowChangeFeatures. > > Ken Many thanks, Ken I'll check it out. Bernie