uibutton - send object in click button in mkMapView ios -


in mapview have sum annotation annontion have button sent me view more detail on annotation

my code 

myannotation *myann = (myannotation *)annotation;     uibutton *disclosebutton = [uibutton buttonwithtype: uibuttontypedetaildisclosure];     [disclosebutton addtarget: self action: @selector(showinfo:) forcontrolevents: uicontroleventtouchupinside];     annotationview.rightcalloutaccessoryview = disclosebutton;     uiimageview *lefticonview = [[uiimageview alloc] initwithimage:[uiimage imagenamed:myann.image]];     uiimage *pinimage = [uiimage imagenamed:@"pointer.png"];     [annotationview setimage:pinimage];     annotationview.leftcalloutaccessoryview = lefticonview;     return annotationview;

and 

-(ibaction)showinfo:(id)sender {     [self performseguewithidentifier:@"aa" sender:sender]; }  // envoie des données vers la detail d'une mission - (void)prepareforsegue:(uistoryboardsegue *)segue sender:(id)sender {     if ([[segue identifier] isequaltostring:@"aa"])     {         detailviewcontroller *detailviewcontroller = [segue destinationviewcontroller];         detailviewcontroller.detailmodal = @[@"aa",@"aaa",@"aaa"];     } }

how can send object annotation via click botton filling table detailviewcontroller.detailmodal ?

you can send data format string , split string in prepareforsegue

the code 

myannotation *myann = (myannotation *)annotation; uibutton *disclosebutton = [uibutton buttonwithtype: uibuttontypedetaildisclosure]; [disclosebutton addtarget: self action: @selector(showinfo:) forcontrolevents: uicontroleventtouchupinside];  nsstring *detail = [nsstring stringwithformat:@"%@::%@::%@::%@::%@::%@::%@::%@::%@::%@::%@"         ,myann.title,myann.description,myann.latitude,myann.longitude,myann.image,myann.type,myann.ville,myann.point,myann.nombredevisite,myann.nbvtotal,myann.idmission];   disclosebutton.accessibilityhint = detail; annotationview.rightcalloutaccessoryview = disclosebutton;

in function prepareforsegue

- (void)prepareforsegue:(uistoryboardsegue *)segue sender:(id)sender {     if ([[segue identifier] isequaltostring:@"aa"])     {         uibutton *button = (uibutton *)sender;         nsarray* infos = [button.accessibilityhint componentsseparatedbystring: @"::"];         if ([infos count] > 1)         {             tit = [infos objectatindex:0];             description = [infos objectatindex:1];             latitude = [infos objectatindex:2];             longitude = [infos objectatindex:3];             image = [infos objectatindex:4];             type = [infos objectatindex:5];             ville = [infos objectatindex:6];             point = [infos objectatindex:7];             nombredevisite = [infos objectatindex:8];             nbvtotal = [infos objectatindex:9];             idmission = [infos objectatindex:10];         }         detailviewcontroller *detailviewcontroller = [segue destinationviewcontroller];         detailviewcontroller.detailmodal = @[tit,description,latitude,longitude,image,type,ville,point,nombredevisite,nbvtotal,idmission];     } }

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