.NET Shell Extensions - Shell Drop Handlers

using System;
using System.Runtime.InteropServices;

namespace SharpShell.Interop
{
    internal static class Comctl32
    {
        [DllImport("comctl32.dll", SetLastError = true)]
        public static extern IntPtr CreatePropertySheetPage(ref PROPSHEETPAGE psp);
        
        [DllImport("comctl32.dll", SetLastError = true)]
        public static extern IntPtr PropertySheet(ref PROPSHEETHEADER psh);
    }

    internal struct NMHDR
    {
        public IntPtr hwndFrom;
        public UIntPtr idFrom;
        public uint code;
    }
}