public uint GroupRemoveUser(Guid guid, Guid userGuid, Guid? requestUserGuid)
{
var result = Gateway.ExecuteNonQuery("Group_RemoveUser", new[]
{
new MySqlParameter("GroupGUID", guid.ToByteArray()),
new MySqlParameter("UserGUID", userGuid.ToByteArray()),
new MySqlParameter("RequestUserGUID", requestUserGuid.HasValue ? requestUserGuid.Value.ToByteArray() : null)
});
if (result == -100) throw new InsufficientPermissionsException("User does not have permission to remove user from group");
return (uint)result;
}
