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#ifndef _PRPROGRESS_H_ #define _PRPROGRESS_H_ /** This class is to be derived from to get some kind of progress indication during certain operations (like loading/saving) in a presentation. */ class PrProgress { protected: int _range; public: PrProgress(int range=100); int range(); /** This method is called with different progress states between 0 and 100. */ virtual void progress(int i)=0; // ***************************** /** Some presentations need to hide (and show) the progress bar explicitly */ virtual void hide() {}; }; #endif
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