private void tsmiClearTransmitQ_Click(object sender, EventArgs e)
{
DeviceForm deviceForm = GetActiveDeviceFormCallback();
if (deviceForm == null)
return;
int qlength = deviceForm.threadMgr.txDataOut.dataQ.GetQLength();
deviceForm.threadMgr.txDataOut.dataQ.ClearQ();
string msg = "Pending Transmit Messages Cleared\n" + qlength.ToString() + " Messages Were Discarded\n";
deviceForm.DisplayMsg(SharedAppObjs.MsgType.Info, msg);
msgBox.UserMsgBox(SharedObjects.MainWin, MsgBox.MsgTypes.Info, msg);
}