Graybox OPC Server Toolkit lets the programmer to create robust and highly effective OPC Servers within the shortest possible time. This toolkit eliminates the necessity of implementing all of the numerous OPC interfaces and COM programming. Graybox OPC Server Toolkit supports OPC Common 1.00, OPC Data Access 1.00, OPC Data Access 2.05a, OPC Data Access 3.00 (not available in Graybox OPC Server Toolkit 2.x versions). Graybox OPC Server Toolkit is fully compatible with Windows NT4/2000/XP/2003. Windows 95/98/Me operating systems are not longer supported (starting from version 2.0). Toolkit can be used with any development environment supporting C++ language and dynamic linking. You can use it with Microsoft Visual Studio 6.0/2003/2005, Borland C++ Builder, Borland Developer Studio, etc. All the OPC-server functionality is implemented in a single C++ class featuring all of the mandatory OPC interfaces and methods, COM object class factory, OPC Server registration methods, OPC Server, groups, tags and properties managment methods, effective server access synchronization algorithms. Toolkit is compatible with other software development technologies (such as ATL, MFC, VCL). For example, the programmer can easily add OPC-server functionality into his already existing ATL-module. Toolkit installation package includes Graybox Software OPC Server development libraries, Graybox Software documentation, OPC Foundation specifications, OPC Server samples. You can download demo version free of charge.