public void InstantiateOPCConnection()
{
/**************************************************************************************************************
* -> Method : InstantiateOPCConnection
* -> Event : This method is triggered by CountSubscription Method
* -> Description: This method updates all properties in the Hardware class lists and instantiates OPCUtil.
**************************************************************************************************************/
_OPCUtil = new OPCUtil();
bool isConnected = _OPCUtil.Connect(this);
if (isConnected)
{
foreach (String hardware in Hardware.SegmentSummaryTagsList)
{
try
{
_OPCUtil.Subsribe(GetItemIdentifier(hardware.ToString()));
}
catch (Exception Ex)
{
MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribe to\n(" + Ex.Message + ")");
}
}
foreach (String hardware in Hardware.SegmentParameterTagsList)
{
try
{
_OPCUtil.Subsribe(GetItemIdentifier(hardware.ToString()));
}
catch (Exception Ex)
{
MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribe to\n(" + Ex.Message + ")");
}
}
//foreach (String hardware in Hardware.OffsetTagsList)
//{
// try
// {
// _OPCUtil.Subsribe(GetItemIdentifier(hardware.ToString()));
// }
// catch (Exception Ex)
// {
// MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribe to\n(" + Ex.Message + ")");
// }
//}//useless foreach loop
}
else // If OPC server fails to connect
{
Writer.writeAll("Error : " + name + " is unable to connect to OPC server");
MessageBox.Show(Application.Current.MainWindow, "Error: Unable to Connect to Server\nApplication will now Shutdown");
Environment.Exit(0);
}
}
public void InstantiateOPCConnection()
{
_OPCUtil = new OPCUtil();
bool isConnected = _OPCUtil.Connect(this);
if (isConnected)
{
foreach (String hardware in Hardware.SegmentSummaryTagsList)
{
try
{
_OPCUtil.Subsribe(getItemIdentifier(hardware.ToString()));
}
catch (Exception ex)
{
MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribed to\n(" + ex.ToString() + ")");
string cheese = ex.ToString();
}
}
foreach (String hardware in Hardware.SegmentParameterTagsList)
{
try
{
_OPCUtil.Subsribe(getItemIdentifier(hardware.ToString()));
}
catch (Exception ex)
{
MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribed to\n(" + ex.ToString() + ")");
}
}
foreach (String hardware in Hardware.OffsetTagsList)
{
try
{
_OPCUtil.Subsribe(getItemIdentifier(hardware.ToString()));
}
catch (Exception ex)
{
MessageBox.Show(Application.Current.MainWindow, "Error: " + hardware.ToString() + " failed to be subscribed to\n(" + ex.ToString() + ")");
}
}
newWindowThread.Abort();
}
else // If OPC server fails to connect
{
Writer.writeAll("Error : " + name + " is unable to connect to OPC server");
MessageBox.Show(Application.Current.MainWindow, "Error: Unable to Connect to Server\nApplication will now Shutdown");
System.Windows.Application.Current.Shutdown();
}
}
public void ReadRecipe(string RecipName)
{
//1-instantiate separate OPC connection on separate thread
_OPCRecipeThread = new OPCUtil();
bool isConnected = _OPCRecipeThread.Connect(this);
//2-Get recipe details that will be written onto the PLC(Need to access DB)
//SegmentSummaryPageViewModel.RecipeName
//if (isConnected)
//{
//}
}
private void OPCInstanceReceive(OPCUtil _OPCUtl)
{
OPCLocal = _OPCUtl;
}
