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my app has the navController
and at run time I have
NSString *propertyName = @”navController”;
and I know it is a type of UINavigationController
how can i access to UINavigationController with the string name
I might need to use https://developer.apple.com/library/ios/#documentation/Cocoa/Reference/ObjCRuntimeRef/Reference/reference.html
Key-Value Coding would help,