: Creating custom services that pull data from factory floor sensors via OPC and store it in SQL databases.
When connecting to a remote OPC server (via Ethernet), both the client and server PCs must have their DCOM (Distributed COM) COPC DLL
It functions as an ActiveX component, making it compatible with various programming environments, including Visual Basic 6.0 , Visual Studio (.NET, C#) , and even VBA within MS Excel or Word. : Creating custom services that pull data from
If the file exists but is not registered, use the regsvr32 tool: including Visual Basic 6.0
// Get current service level for a skill (e.g., % answered within X seconds) COPCDLL_API double __stdcall CopcGetServiceLevel(const char* skillGroup);
#ifdef BUILDING_COPC_DLL #define COPCDLL_API __declspec(dllexport) #else #define COPCDLL_API __declspec(dllimport) #endif