class MyHideProgress {
protected:
	int                 	total, pos;
	volatile Atomic     	*terminated;

public:
	bool     SetCanceled(int p, int t)     { pos = p; total = t; return (bool)*terminated; }

	operator Gate2<int, int>()             { return callback(this, &MyHideProgress::SetCanceled); }

  typedef MyProgress CLASSNAME;

	MyHideProgress(volatile Atomic *t)		 { terminated = t; }
};