I have an IBAction of SignIn and Method getData. When load it call SignIn into method Getdata in case I want auto sign in without click button Sign In.

-(void)getData
{  
    if ([_remCheckbox state] == NSOnState)
    {
        NSUserDefaults *store = [NSUserDefaults standardUserDefaults];
        
        NSString *un = [store objectForKey:@"usrname"];
        NSString *pw = [store objectForKey:@"usrpwd"];
        
        _txtUsername.stringValue = un;
        _txtPwd.stringValue = pw;
        
        //call event IBAction

        
    }  
}

- (IBAction)buttonSignIn:(id)sender
{
    //Signin code suppose to work fine
}