/// <summary>
/// Connects to the OPC server.
/// </summary>
private async Task <bool> ConnectToOpcServer()
{
try
{
OpcUaHelper helper = new OpcUaHelper(appDirs, kpNum, OpcUaHelper.RuntimeKind.View)
{
CertificateValidation = CertificateValidator_CertificateValidation
};
if (await helper.ConnectAsync(deviceConfig.ConnectionOptions))
{
opcSession = helper.OpcSession;
return(true);
}
else
{
opcSession = null;
return(false);
}
}
catch (Exception ex)
{
ScadaUiUtils.ShowError(KpPhrases.ConnectServerError + ":" + Environment.NewLine + ex.Message);
return(false);
}
finally
{
SetConnButtonsEnabled();
}
}
/// <summary>
/// Connects to the OPC server.
/// </summary>
private void ConnectToOpcServer()
{
try
{
OpcUaHelper helper = new OpcUaHelper(AppDirs, Number, OpcUaHelper.RuntimeKind.Logic)
{
CertificateValidation = CertificateValidator_CertificateValidation,
WriteToLog = WriteToLog
};
connected = helper.ConnectAsync(deviceConfig.ConnectionOptions, ReqParams.Timeout).Result;
autoAccept = autoAccept || helper.AutoAccept;
opcSession = helper.OpcSession;
opcSession.KeepAlive += OpcSession_KeepAlive;
opcSession.Notification += OpcSession_Notification;
}
catch (Exception ex)
{
connected = false;
WriteToLog((Localization.UseRussian ?
"Ошибка при соединении с OPC-сервером: " :
"Error connecting OPC server: ") + ex);
}
}