/// <summary>
/// Displays a dialog that can be used to select a certificate from the store.
/// </summary>
public X509Certificate SelectCertificate(IntPtr hwnd, string title, string displayString)
{
if (store.Handle == IntPtr.Zero)
throw new InvalidOperationException("Store is not open");
if (IsWinXP())
{
IntPtr certPtr = CryptUIDlgSelectCertificateFromStore(store.Handle, hwnd, title, displayString, 0/*dontUseColumn*/, 0 /*flags*/, IntPtr.Zero);
if (certPtr != IntPtr.Zero)
{
return new X509Certificate(certPtr);
}
}
else
{
SelectCertificateDialog dlg = new SelectCertificateDialog(store);
if (dlg.ShowDialog() != DialogResult.OK)
{
return null;
}
else
{
return dlg.Certificate;
}
}
return null;
}
