使用反射,是否有可能发现的所有类型,从给定类型派生?
Using reflection, is it possible to discover all types that derive from a given type?
presumably的范围将仅限于一个单一的组件内。
Presumably the scope would be limited to within a single assembly.
pretty的大致相同达林的,但在这里你去。
pretty much the same as Darin's but here you go..
public static List<Type> FindAllDerivedTypes<T>()
{
return FindAllDerivedTypes<T>(Assembly.GetAssembly(typeof(T)));
}
public static List<Type> FindAllDerivedTypes<T>(Assembly assembly)
{
var derivedType = typeof(T);
return assembly
.GetTypes()
.Where(t =>
t != derivedType &&
derivedType.IsAssignableFrom(t)
).ToList();
}
使用,如:
var output = FindAllDerivedTypes<System.IO.Stream>();
foreach (var type in output)
{
Console.WriteLine(type.Name);
}
输出:
NullStream
SyncStream
__ConsoleStream
BufferedStream
FileStream
MemoryStream
UnmanagedMemoryStream
PinnedBufferMemoryStream
UnmanagedMemoryStreamWrapper
IsolatedStorageFileStream
CryptoStream
TailStream