/// <summary>
/// When the method "closing" is called,
/// the following code is run.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnClose_Click(object sender, System.EventArgs e)
{
try
{
if (m_PosCommon != null)
{
//Cancel the device
m_PosCommon.DeviceEnabled = false;
//Release the device exclusive control right.
m_PosCommon.Release();
//Finish using the device.
m_PosCommon.Close();
}
}
catch (PosControlException)
{
}
}
private static void CloseDevice(PosCommon device)
{
if (device == null)
{
return;
}
try
{
if (device.Claimed)
{
device.Release();
}
}
catch
{
}
try
{
device.Close();
}
catch
{
}
}