----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, February 27, 2000 8:27 PM Subject: [ALLY] Problems with iterator Re: > Hi Allen, > > First, yes, there is a bug that on a show all faces are redrawn. > > Secondly, no the iterator is not called too many times. The iterator > function's primary purpose is to determine the offset ( and possibly size ) > of the iterated face. If a mouse passes over the face containing the > iterated sub-faces, how can one know which iterated sub-face the mouse is > over unless one knows the positions of all the iterated sub-faces? And the > only way to know that is to query each iteration until one is found that > contains the mouse position. This does bring up a point that the iterator > function should be as short as possible and not doing any unnecessary work > that can be performed by the redraw function. > > - jim > Thanks for the explanation Jim, I have a better understanding of what is the iterator is doing now. I'll start making redraw do more of the work. Cheers, Allen K
