public void ObjectCasts()
{
// public class ClassA { }
// public class ClassTA : ClassT<ClassA> { }
{
var a = new ClassT <ClassA>();
var b = new ClassTA(); // ClassT<ClassBA>;
a = b;
}
{
var a = new ClassT <ClassA>();
var b = new ClassTA(); // ClassT<ClassBA>;
WriteLine($"a {a.GetType().Name}");
WriteLine($"b {b.GetType().Name}");
{
a = b;
}
{
// b = (ClassTA)a; // InvalidCastException during run
object o = a;
Convert.ChangeType(o, typeof(ClassTA));
var x = (ClassTA)o; // InvalidCastException during run
WriteLine($"o {o.GetType().Name}");
WriteLine($"x {x.GetType().Name}");
}
}
}
