/// <summary>
/// Creates the group on the server if not already created.
/// </summary>
public void Create()
{
if (Unknown != null)
{
return;
}
int serverHandle = 0;
int actualSamplingInterval = 0;
object unknown = m_server.CreateGroup(
m_clientHandle,
m_samplingInterval,
m_deadband,
out serverHandle,
out actualSamplingInterval);
Unknown = unknown;
m_serverHandle = serverHandle;
m_actualSamplingInterval = actualSamplingInterval;
Utils.Trace(
"Group {0} Created({4}) {1}/{2}ms {3}%",
m_clientHandle,
m_samplingInterval,
m_actualSamplingInterval,
m_deadband,
m_items.Count);
// set up data change callback.
if (m_monitoredItems != null)
{
try
{
m_callback = new ComDaDataCallback(this);
}
catch (Exception e)
{
Utils.Trace("Could not establish IOPCDataCallback.", e);
}
}
}
/// <summary>
/// Creates the group on the server if not already created.
/// </summary>
public void Create()
{
if (Unknown != null)
{
return;
}
int serverHandle = 0;
int actualSamplingInterval = 0;
object unknown = m_server.CreateGroup(
m_clientHandle,
m_samplingInterval,
m_deadband,
out serverHandle,
out actualSamplingInterval);
Unknown = unknown;
m_serverHandle = serverHandle;
m_actualSamplingInterval = actualSamplingInterval;
Utils.Trace(
"Group {0} Created({4}) {1}/{2}ms {3}%",
m_clientHandle,
m_samplingInterval,
m_actualSamplingInterval,
m_deadband,
m_items.Count);
// set up data change callback.
if (m_monitoredItems != null)
{
try
{
m_callback = new ComDaDataCallback(this);
}
catch (Exception e)
{
Utils.Trace("Could not establish IOPCDataCallback.", e);
}
}
}
