using System;
using System.Reflection;
class Class1 {
static void Main(string[] args) {
string windir = Environment.GetEnvironmentVariable("windir");
Assembly ass = Assembly.LoadFrom(windir + @"\Microsoft.NET\Framework\v1.1.4322\System.Drawing.dll");
foreach (Type type in ass.GetTypes()) {
Console.WriteLine(type.ToString());
}
}
}