CopyInstanceHandle(IntPtr instance, IntPtr arg)
{
bool result = true;
InstanceHandle ghandle;
uint length;
GCHandle tmpGCHandleData = GCHandle.FromIntPtr(arg);
InstanceHandleUserData a = tmpGCHandleData.Target as InstanceHandleUserData;
if (a.Index == 0)
{
length = Kernel.DataReaderInstance.GetNotEmptyInstanceCount(instance);
if (a.Seq == null || length != a.Seq.Length)
{
a.Seq = new InstanceHandle[length]; /* potentially reallocate */
}
}
ghandle = Kernel.InstanceHandle.New(instance);
if (a.Index < a.Seq.Length)
{
a.Seq[a.Index++] = ghandle;
}
else
{
/* error index out of bounds */
}
return(result);
}
public ReturnCode GetDiscoveredTopics(ref InstanceHandle[] topicHandles)
{
ReturnCode result;
InstanceHandleUserData a = new InstanceHandleUserData(0, topicHandles);
GCHandle iHUserDataHandle = GCHandle.Alloc(a, GCHandleType.Normal);
result = (ReturnCode)Gapi.DomainParticipant.get_discovered_topics(
GapiPeer,
CopyInstanceHandleAttr,
GCHandle.ToIntPtr(iHUserDataHandle));
topicHandles = a.Seq;
iHUserDataHandle.Free();
return(result);
}
public ReturnCode GetDiscoveredTopics(ref InstanceHandle[] topicHandles)
{
ReturnCode result;
InstanceHandleUserData a = new InstanceHandleUserData(0, topicHandles);
GCHandle iHUserDataHandle = GCHandle.Alloc(a, GCHandleType.Normal);
result = (ReturnCode) Gapi.DomainParticipant.get_discovered_topics(
GapiPeer,
CopyInstanceHandleAttr,
GCHandle.ToIntPtr(iHUserDataHandle));
topicHandles = a.Seq;
iHUserDataHandle.Free();
return result;
}
