void MainForm_FormClosed(object sender, FormClosedEventArgs e)
{
tmTaskTimer.Enabled = false;
m_timerTasks.Clear();
POSDeviceManager.Terminate();
this.FormClosed -= new FormClosedEventHandler(MainForm_FormClosed);
//this.Activated -= new EventHandler(MainForm_Activated);
this.Load -= new EventHandler(MainForm_Load);
}
/// <summary>
/// Init all devices
/// </summary>
void InitDevices()
{
m_errorList = new List <string>();
POSDeviceManager.Initialize(OnDeviceInitialize);
}