/// <summary> Called to add a user data object to the buffer </summary>
/// <param name="userData"></param>
public void AddUserData(UserData userData)
{
SmppBuffer tmpBuff = new SmppBuffer(DefaultEncoding);
if (userData.Headers.Count > 0)
{
tmpBuff.AddUserDataHeaderCollection(userData.Headers);
}
if ((userData.ShortMessage != null) && (userData.ShortMessage.Length > 0))
{
tmpBuff.AddBytes(userData.ShortMessage);
}
AddByte(Convert.ToByte(tmpBuff.Length));
AddSmppBuffer(tmpBuff);
}