Shell32Helper.cs

using System.IO;
using System.Runtime.InteropServices;
 
namespace be.gaudry.model.win32
{
    /// <summary>
    /// more infos : http://www.pinvoke.net/default.aspx/shell32/ShellExecuteEx.html
    /// </summary>
    public class Shell32Helper
    {
        private const int SW_SHOW = 5;
        private const uint SEE_MASK_INVOKEIDLIST = 12;
 
        [DllImport("shell32.dll")]//[DllImport("shell32.dll", CharSet = CharSet.Auto)]
        static extern bool ShellExecuteEx(ref SHELLEXECUTEINFO lpExecInfo);
 
        public static void ShowFileProperties(string path)
        {
            if (File.Exists(path)||Directory.Exists(path))
            {
                SHELLEXECUTEINFO info = new SHELLEXECUTEINFO();
                info.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(info);
                info.lpVerb = "properties";
                info.lpFile = path;
                info.nShow = SW_SHOW;
                info.fMask = SEE_MASK_INVOKEIDLIST;
                ShellExecuteEx(ref info);
            }
        }
    }
}