public static extern int CredUIPromptForWindowsCredentials(ref CREDUI_INFO pUiInfo, int dwAuthError, ref uint pulAuthPackage, IntPtr pvInAuthBuffer, int ulInAuthBufferSize, out IntPtr ppvOutAuthBuffer, out int pulOutAuthBufferSize, ref bool pfSave, CREDUIWIN dwFlags);
[dll(credui, CharSet = CharSet.Unicode)] internal static extern Err CredUIPromptForWindowsCredentials([In] ref CREDUI_INFO info, Err err, ref int authpkg, ptr inblob, int inblobsz, out ptr outblob, out int outblobsz, ref bool save, CREDUIWIN flags = CREDUIWIN.CHECKBOX | CREDUIWIN.GENERIC);
