Your question doesn't really make any sense. What is a "knob", in the sense you mean it? As png's don't support animation (unlike gif) I also don't understand in what sense you mean animation.

Ask a more focused question, and explain your terms.

Graham




On 15 Jun 2008, at 4:44 am, David Paulicke wrote:

Hi,
i´m new to cocoa and Objective C . ( Blitzmax user )
Is there a way to create custom knobs ? I have one picture ( png ) which contains for example 3 knob frames / positions , and another one with 60 knob frames /positions. How can i display the Animation and use the NSSlider capabilities , that means : i click on it - gets selected , i drag it - changes the knob picture ( rect selection from the pic ) and gives me a value which range i can define?

Cheers,

Dezzo_______________________________________________

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