import System
import System.Reflection
import System.Runtime.InteropServices
 
[STAThread]
def Main(argv as (string)):
    objType = Type.GetTypeFromProgID("Shell.Application") 
    shell = Activator.CreateInstance(objType)
    param as (object) = ( 0, "Hello, COM(Boo) World!", 0, 36 )
    folder = shell.GetType().InvokeMember( "BrowseForFolder", BindingFlags.InvokeMethod, null, shell, param )
    if (folder != null):
        Marshal.ReleaseComObject(folder)
    Marshal.ReleaseComObject(shell)