iphone - scrollView with pagecontrol programmatically? -

i want create scrollview pagecontrol programmatically. how can that?

#pragma mark - #pragma mark loadgalleryview  -(void) loadgalleryview{     galleryarr = [memberdic objectforkey:@"arrkey"];      if ([galleryarr count]%5 != 0)      {         noofpages = ([galleryarr count]/5)+1;     }     else      {         noofpages = [galleryarr count]/5;     }       viewcontrollers = [[nsmutablearray alloc] init];     (int i=0; i<noofpages; i++)      {         [viewcontrollers addobject:[nsnull null]];     }      [galleryscrollview setpagingenabled:true];      [galleryscrollview setcontentsize:cgsizemake(self.view.frame.size.width* noofpages,69.0f)];     [galleryscrollview setshowshorizontalscrollindicator:false];     [galleryscrollview setshowsverticalscrollindicator:false];     [galleryscrollview setscrollstotop:false];     [galleryscrollview setdelegate:self];      [pagecontrol setnumberofpages:noofpages];     [pagecontrol setcurrentpage:0];      [self loadscrollviewwithpage:0];     [self loadscrollviewwithpage:1]; }  //-----------------load scroll view----------------------------------  -(void) loadscrollviewwithpage:(int) page{     if (page < 0)      {         return;     }      if (page >= noofpages)      {         return;     }      galleryviewcontroller *givc = [viewcontrollers objectatindex:page];     if ((nsnull *)givc == [nsnull null])      {         givc = [[galleryviewcontroller alloc] initwithpagenumber:page];         givc.imagearr = [galleryarr retain];         [viewcontrollers replaceobjectatindex:page withobject:givc];         [givc release];     }      if (nil == givc.view.superview)      {         cgrect frame = self.view.frame;          frame.origin.x = frame.size.width * page;         frame.origin.y = 0.0f;         givc.view.frame = frame;         [galleryscrollview addsubview:givc.view];     } }  - (void)scrollviewdidscroll:(uiscrollview *)sender {     // don't want "feedback loop" between uipagecontrol , scroll delegate in     // scroll event generated user hitting page control triggers updates     // delegate method. use boolean disable delegate logic when page control used.     // switch indicator when more 50% of previous/next page visible     cgfloat pagewidth = galleryscrollview.frame.size.width;     int page = floor((galleryscrollview.contentoffset.x - pagewidth / 2) / pagewidth) + 1;     pagecontrol.currentpage = page;      // load visible page , page on either side of (to avoid flashes when user starts scrolling)     [self loadscrollviewwithpage:page - 1];     [self loadscrollviewwithpage:page];     [self loadscrollviewwithpage:page + 1];      // possible optimization unload views+controllers no longer visible } - (void)scrollviewdidenddecelerating:(uiscrollview *)scrollview {     ispagecontrolused = no; }   in gallary view controller in .m file  - (void)viewdidload {     [super viewdidload];      float x = 7.0f;      (int = (pagenumber*5); i<(pagenumber+1)*5; i++)      {         if (i<[imagearr count])          {             nsstring *url = [imagearr objectatindex:i];              myimageview *imgview = [[myimageview alloc] initwithframe:cgrectmake(x, 7.5f, 55.0f, 55.0f)];             [imgview addimagefrom:url];             [self.view addsubview:imgview];             [imgview release];              x = x+62.5f;         }      }  }  -(id)initwithpagenumber:(int) page{     if (self = [super initwithnibname:@"galleryviewcontroller" bundle:nil])      {         pagenumber = page;     }     return self; }