CertificateDialog.cs

namespace X509CertificateTool;

using System;
using System.Runtime.InteropServices;

/// <summary>
/// P/Invoke wrapper for showing the Win32 Certificate dialog.
/// </summary>
internal class CertificateDialog
{
    private CertificateDialog() { }

    internal static void ShowFilePropertiesDialog(IntPtr hwnd, string directory, string file)
    {
        CertificateDialog.SHELLEXECUTEINFO shellexecuteinfo1 = new CertificateDialog.SHELLEXECUTEINFO
        {
            cbSize = Marshal.SizeOf(typeof(CertificateDialog.SHELLEXECUTEINFO)),
            fMask = 12,
            lpVerb = "Properties",
            hwnd = hwnd,
            lpParameters = null,
            lpDirectory = directory,
            lpFile = file,
            hInstApp = IntPtr.Zero,
            lpIDList = IntPtr.Zero,
            hkeyClass = IntPtr.Zero,
            hIcon = IntPtr.Zero,
            hProcess = IntPtr.Zero
        };

        IntPtr ptr1 = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(CertificateDialog.SHELLEXECUTEINFO)));
        Marshal.StructureToPtr(shellexecuteinfo1, ptr1, false);
        _ = SafeNativeMethods.ShellExecuteEx(ptr1);
        Marshal.FreeHGlobal(ptr1);
    }

    [StructLayout(LayoutKind.Sequential)]
    private class SHELLEXECUTEINFO
    {
        public int cbSize;
        public int fMask;
        public IntPtr hwnd;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string lpVerb;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string lpFile;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string lpParameters;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string lpDirectory;
        public int nShow;
        public IntPtr hInstApp;
        public IntPtr lpIDList;
        public string lpClass;
        public IntPtr hkeyClass;
        public int dwHotKey;
        public IntPtr hIcon;
        public IntPtr hProcess;
    }
}