This is UpDownView.h in view mode; [Download] [Up]

#import <appkit/View.h>
#import <time.h>

@interface UpDownView : View
   id up;
   id down;
   time_t mark;
   time_t upTime;
   BOOL isUp;

- (BOOL) isUp;
- (void) setIsUp: (BOOL) aValue;
- (void) setIsUp: (BOOL) aValue since: (time_t) aTime;
- (time_t) upTime;
- (void) resetUpTime;

- initFrame:(NXRect *)r;
- drawSelf:(NXRect *)r :(int)count;
- windowWillResize:sender toSize:(NXSize *)aSize;


These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.