public void CreateGroupEnumerator(OPCENUMSCOPE dwScope, ref Guid riid, out object ppUnk)
{
OpcCom.Da.Wrapper.Server server;
Monitor.Enter(server = this);
try
{
switch (dwScope)
{
case OPCENUMSCOPE.OPC_ENUM_PUBLIC_CONNECTIONS:
case OPCENUMSCOPE.OPC_ENUM_PUBLIC:
if (riid != typeof(OpcRcw.Comn.IEnumString).GUID)
{
if (riid != typeof(IEnumUnknown).GUID)
{
throw new ExternalException("E_NOINTERFACE", -2147467262);
}
ppUnk = new EnumUnknown(null);
}
else
{
ppUnk = new OpcCom.Da.Wrapper.EnumString(null);
}
return;
}
if (riid == typeof(IEnumUnknown).GUID)
{
ppUnk = new EnumUnknown(this.m_groups);
}
else
{
if (riid != typeof(OpcRcw.Comn.IEnumString).GUID)
{
throw new ExternalException("E_NOINTERFACE", -2147467262);
}
ArrayList strings = new ArrayList(this.m_groups.Count);
foreach (Group group in this.m_groups.Values)
{
strings.Add(group.Name);
}
ppUnk = new OpcCom.Da.Wrapper.EnumString(strings);
}
}
catch (Exception exception)
{
throw CreateException(exception);
}
finally
{
Monitor.Exit(server);
}
}
public void CreateGroupEnumerator(OPCENUMSCOPE dwScope, ref Guid riid, out object ppUnk)
{
var methodName = nameof(IOPCServer) + "." + nameof(IOPCServer.CreateGroupEnumerator);
try
{
var server = BeginComCall <IOPCServer>(methodName, true);
server.CreateGroupEnumerator(dwScope, ref riid, out ppUnk);
}
finally
{
EndComCall(methodName);
}
}
public void CreateGroupEnumerator(OPCENUMSCOPE dwScope, ref Guid riid, out object ppUnk)
{
lock (this)
{
try
{
if (dwScope == OPCENUMSCOPE.OPC_ENUM_PUBLIC_CONNECTIONS || dwScope == OPCENUMSCOPE.OPC_ENUM_PUBLIC)
{
if (riid == typeof(IEnumString).GUID)
{
ppUnk = new EnumString(null);
return;
}
if (riid == typeof(IEnumUnknown).GUID)
{
ppUnk = new EnumUnknown(null);
return;
}
throw new ExternalException("E_NOINTERFACE", -2147467262);
}
if (riid == typeof(IEnumUnknown).GUID)
{
ppUnk = new EnumUnknown(m_groups);
return;
}
if (riid == typeof(IEnumString).GUID)
{
ArrayList arrayList = new ArrayList(m_groups.Count);
foreach (Group value in m_groups.Values)
{
arrayList.Add(value.Name);
}
ppUnk = new EnumString(arrayList);
return;
}
throw new ExternalException("E_NOINTERFACE", -2147467262);
}
catch (Exception e)
{
throw CreateException(e);
}
}
}
public void CreateGroupEnumerator(OPCENUMSCOPE dwScope, ref Guid riid, out object ppUnk)
{
var methodName = nameof(IOPCServer) + "." + nameof(IOPCServer.CreateGroupEnumerator);
try
{
var server = BeginComCall<IOPCServer>(methodName, true);
server.CreateGroupEnumerator(dwScope, ref riid, out ppUnk);
}
finally
{
EndComCall(methodName);
}
}
