protected void UpdateActionButtons(Int32 actionMask)
{
BtnStart.Enabled = ((actionMask & AGFWEventsCode.ACT_START) > 0);
BtnStop.Enabled = ((actionMask & AGFWEventsCode.ACT_STOP) > 0);
BtnLogout.Enabled = ((actionMask & AGFWEventsCode.ACT_LOGOUT) > 0);
BtnEndContact.Enabled = ((actionMask & AGFWEventsCode.ACT_END_CONTACT) > 0);
BtnAnswer.Enabled = ((actionMask & AGFWEventsCode.ACT_SPH_ANSWERCALL) > 0);
BtnClear.Enabled = ((actionMask & AGFWEventsCode.ACT_SPH_CLEARCALL) > 0);
}