Re: Avoiding flicker when dropping in a view
Re: Avoiding flicker when dropping in a view
- Subject: Re: Avoiding flicker when dropping in a view
- From: Gregg Witmer <email@hidden>
- Date: Wed, 16 Mar 2005 12:51:18 -0500
I want to find a way to make the existing code work without
flicker. I hate coding stuff when it's already been done (quite
well) by Cocoa.
I agree, I hate to redo things that are tried and true.
And now I see that my app is doing this too for the same reason as
you state... the drag image is gone BEFORE -prepareForDragOperation
and -performDragOperation are called. Even if a redraw of the view is
forced and flushed in either of these callbacks the blink is still
obvious, perhaps just a little less.
Interesting that dragging icons within the Finder does not show a blink.
Also, seems to be less of a blink when the source of the drag is not
self (like a file from the Finder), but that could be in my head too.
Gregg
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