uvery9_DailyWallpaper/DailyWallpaper/Helpers/ShowProperties.cs
using System;
using System.Runtime.InteropServices;

namespace DailyWallpaper.Helpers
{
    class ShowProperties
    {

    [DllImport("shell32.dll", CharSet = CharSet.Auto)]
    static extern bool ShellExecuteEx(ref SHELLEXECUTEINFO lpExecInfo);

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
    public struct SHELLEXECUTEINFO
    {
        public int cbSize;
        public uint fMask;
        public IntPtr hwnd;
        [MarshalAs(UnmanagedType.LPTStr)]
        public string lpVerb;
        [MarshalAs(UnmanagedType.LPTStr)]
        public string lpFile;
        [MarshalAs(UnmanagedType.LPTStr)]
        public string lpParameters;
        [MarshalAs(UnmanagedType.LPTStr)]
        public string lpDirectory;
        public int nShow;
        public IntPtr hInstApp;
        public IntPtr lpIDList;
        [MarshalAs(UnmanagedType.LPTStr)]
        public string lpClass;
        public IntPtr hkeyClass;
        public uint dwHotKey;
        public IntPtr hIcon;
        public IntPtr hProcess;
    }

    private const int SW_SHOW = 5;
    private const uint SEE_MASK_INVOKEIDLIST = 12;
    public static bool ShowFileProperties(string Filename)
    {
        SHELLEXECUTEINFO info = new SHELLEXECUTEINFO();
        info.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(info);
        info.lpVerb = "properties";
        info.lpFile = Filename;
        info.nShow = SW_SHOW;
        info.fMask = SEE_MASK_INVOKEIDLIST;
        return ShellExecuteEx(ref info);
    }

        // button click
        /*private void button1_Click(object sender, EventArgs e)
        {
            string path = @"C:\Users\test\Documents\test.text";
            ShowProperties.ShowFileProperties(path);
        }*/
    }
}
