public static void RegisterClassInCategory(Guid clsid, Guid catid, string description)
{
Utils.ICatRegister catRegister = (Utils.ICatRegister)Utils.CreateLocalServer(Utils.CLSID_StdComponentCategoriesMgr);
try
{
string text = null;
try
{
((Utils.ICatInformation)catRegister).GetCategoryDesc(catid, 0, out text);
}
catch (Exception innerException)
{
text = description;
if (string.IsNullOrEmpty(text))
{
if (catid == Utils.CATID_OPCDAServer20)
{
text = "OPC Data Access Servers Version 2.0";
}
else if (catid == Utils.CATID_OPCDAServer30)
{
text = "OPC Data Access Servers Version 3.0";
}
else if (catid == Utils.CATID_OPCAEServer10)
{
text = "OPC Alarm & Event Server Version 1.0";
}
else
{
if (!(catid == Utils.CATID_OPCHDAServer10))
{
throw new ApplicationException("No description for category available", innerException);
}
text = "OPC History Data Access Servers Version 1.0";
}
}
Utils.CATEGORYINFO categoryinfo;
categoryinfo.catid = catid;
categoryinfo.lcid = 0;
categoryinfo.szDescription = text;
catRegister.RegisterCategories(1, new Utils.CATEGORYINFO[]
{
categoryinfo
});
}
catRegister.RegisterClassImplCategories(clsid, 1, new Guid[]
{
catid
});
}
finally
{
Utils.ReleaseServer(catRegister);
}
}
public static void UnregisterClassInCategory(Guid clsid, Guid catid)
{
Utils.ICatRegister catRegister = (Utils.ICatRegister)Utils.CreateLocalServer(Utils.CLSID_StdComponentCategoriesMgr);
try
{
catRegister.UnRegisterClassImplCategories(clsid, 1, new Guid[]
{
catid
});
}
finally
{
Utils.ReleaseServer(catRegister);
}
}
