/// <summary>
/// Registers the classes in the specified category.
/// </summary>
public static void RegisterClassInCategory(Guid clsid, Guid catid, string description)
{
ICatRegister manager = (ICatRegister)CreateLocalServer(CLSID_StdComponentCategoriesMgr);
try
{
string existingDescription = null;
try
{
((ICatInformation)manager).GetCategoryDesc(catid, 0, out existingDescription);
}
catch (Exception e)
{
existingDescription = description;
if (String.IsNullOrEmpty(existingDescription))
{
if (catid == CATID_OPCDAServer20)
{
existingDescription = CATID_OPCDAServer20_Description;
}
else if (catid == CATID_OPCDAServer30)
{
existingDescription = CATID_OPCDAServer30_Description;
}
else if (catid == CATID_OPCAEServer10)
{
existingDescription = CATID_OPCAEServer10_Description;
}
else if (catid == CATID_OPCHDAServer10)
{
existingDescription = CATID_OPCHDAServer10_Description;
}
else
{
throw new ApplicationException("No description for category available", e);
}
}
CATEGORYINFO info;
info.catid = catid;
info.lcid = 0;
info.szDescription = existingDescription;
// register category.
manager.RegisterCategories(1, new CATEGORYINFO[] { info });
}
// register class in category.
manager.RegisterClassImplCategories(clsid, 1, new Guid[] { catid });
}
finally
{
ReleaseServer(manager);
}
}
/// <summary>
/// Registers a managed type that's exposed for COM interop as safe for initializing and scripting
/// </summary>
/// <param name="comType"></param>
public static void RegisterSafeForScripting(Type comType)
{
Guid clsid = comType.GUID;
Guid interfaceSafeScripting = new Guid(CATID_SafeForScripting);
Guid interfaceSafeForInitializing = new Guid(CATID_SafeForInitializing);
ICatRegister reg = (ICatRegister) new ComComponentCategoriesManager();
reg.RegisterClassImplCategories(ref clsid, 1, new Guid[] { interfaceSafeScripting });
reg.RegisterClassImplCategories(ref clsid, 1, new Guid[] { interfaceSafeForInitializing });
}
/// <summary>
/// Unregisters the classes in the specified category.
/// </summary>
public static void UnregisterClassInCategory(Guid clsid, Guid catid)
{
ICatRegister manager = (ICatRegister)CreateLocalServer(CLSID_StdComponentCategoriesMgr);
try
{
manager.UnRegisterClassImplCategories(clsid, 1, new Guid[] { catid });
}
finally
{
ReleaseServer(manager);
}
}
/// <summary>
/// Registers the classes in the specified category.
/// </summary>
public static void RegisterClassInCategory(Guid clsid, Guid catid, string description)
{
ICatRegister manager = (ICatRegister)CreateInstance(CLSID_StdComponentCategoriesMgr);
try
{
string exsistingDescription = null;
try
{
((ICatInformation)manager).GetCategoryDesc(catid, 0, out exsistingDescription);
}
catch (Exception e)
{
exsistingDescription = description;
if (String.IsNullOrEmpty(exsistingDescription))
{
if (catid == typeof(OpcRcw.Da.CATID_OPCDAServer30).GUID)
{
exsistingDescription = OpcRcw.Da.Constants.OPC_CATEGORY_DESCRIPTION_DA30;
}
if (catid == typeof(OpcRcw.Da.CATID_OPCDAServer20).GUID)
{
exsistingDescription = OpcRcw.Da.Constants.OPC_CATEGORY_DESCRIPTION_DA20;
}
else
{
throw new ApplicationException("No description for category available", e);
}
}
CATEGORYINFO info;
info.catid = catid;
info.lcid = 0;
info.szDescription = exsistingDescription;
// register category.
manager.RegisterCategories(1, new CATEGORYINFO[] { info });
}
// register class in category.
manager.RegisterClassImplCategories(clsid, 1, new Guid[] { catid });
}
finally
{
ReleaseServer(manager);
}
}
static ComponentCategoryManager()
{
_catRegister = Activator.CreateInstance(Type.GetTypeFromCLSID(_componentCategoryManager, true)) as ICatRegister;
}
