#import "MyObject.h" 

@implementation  MyObject

- ( IBAction )myAction:( id )sender
{
NSData *dat = [sender dataWithEPSInsideRect:[sender frame] ];
// ファイルラッパー 

NSFileWrapper *theWrapper = [[NSFileWrapper alloc] initDirectoryWithFileWrappers: nil ];

NSFileWrapper *theWrapper2 = [[NSFileWrapper alloc] initRegularFileWithContents:dat];

[theWrapper setPreferredFilename: @"name1" ];
[theWrapper2 setPreferredFilename: @"name2" ];
NSLog([theWrapper addFileWrapper:theWrapper2]);
NSLog([theWrapper keyForFileWrapper:theWrapper2]);
}

@end