private void cbDevice_SelectedIndexChanged(object sender, EventArgs e)
{
// create user interface of selected device
CnlPrototypes = null;
if (cbDevice.SelectedItem is Device device)
{
if (deviceItems.TryGetValue(device.DeviceNum, out DeviceItem deviceItem) &&
deviceItem.Instance != null)
{
try
{
if (deviceItem.DeviceView == null)
{
if (ExtensionUtils.GetDeviceView(adminContext, deviceItem.Instance.CommApp,
deviceItem.DeviceConfig, out DeviceView deviceView, out string errMsg))
{
deviceItem.DeviceView = deviceView;
}
else
{
throw new ScadaException(errMsg);
}
}
deviceItem.CnlPrototypes = deviceItem.DeviceView.GetCnlPrototypes();
int cnlCnt = deviceItem.CnlPrototypes?.Count ?? 0;
txtInfo.Text = string.Format(ExtensionPhrases.DeviceInfo,
deviceItem.DeviceConfig.Driver, deviceItem.Instance.Name, cnlCnt);
pbStatus.Image = cnlCnt > 0 ? Properties.Resources.success : Properties.Resources.warning;
}
/// <summary>
/// Gets a new instance of the device user interface.
/// </summary>
private DeviceView GetDeviceView(DeviceConfig deviceConfig)
{
ValidateInit();
return(ExtensionUtils.GetDeviceView(adminContext, commApp, deviceConfig));
}