考虑以下代码:
public class A
{
}
public class B : A
{
}
public class C : B
{
}
class D
{
public static bool IsDescendantOf(this System.Type thisType, System.Type thatType)
{
/// ???
}
void Main()
{
A cValue = new C();
C.GetType().IsDescendantOf(cValue.GetType());
}
}
如何最佳实现IsDescendantOf?