#import "MyObject.h" 

@implementation  MyObject

- ( IBAction )myAction:( id )sender
{

NSTextTab *tabStop1 = [[NSTextTab alloc] initWithType:NSLeftTabStopType
location: 10 ];
NSTextTab *tabStop2 = [[NSTextTab alloc] initWithType:NSLeftTabStopType
location: 20 ];

NSArray *arr = [NSArray arrayWithObjects:tabStop1,tabStop2, nil ];
NSMutableParagraphStyle *pStyle1 = [[NSMutableParagraphStyle alloc] init];
[pStyle1 setTabStops:arr];

[pStyle1 setLineSpacing: 15 ];

}

@end