public signals.IBlock[] Discover()
{
// discovery can be expensive, so we just use a large buffer rather than call things multiple times
if (!m_canDiscover) throw new NotSupportedException("Driver cannot discover objects.");
IntPtr[] ptrArr = new IntPtr[BufferSize];
GCHandle pin = GCHandle.Alloc(ptrArr, GCHandleType.Pinned);
uint numObj;
try
{
numObj = m_native.Discover(pin.AddrOfPinnedObject(), (uint)BufferSize);
}
finally
{
pin.Free();
}
signals.IBlock[] objArr = new signals.IBlock[numObj];
for (int idx = 0; idx < numObj; idx++)
{
if (ptrArr[idx] != IntPtr.Zero)
{
signals.IBlock newObj = (signals.IBlock)Registration.retrieveObject(ptrArr[idx]);
if (newObj == null) newObj = new CppProxyBlock(this, null, ptrArr[idx]);
objArr[idx] = newObj;
}
}
return objArr;
}
public signals.IBlock Create()
{
if (!m_canCreate) throw new NotSupportedException("Driver cannot create objects.");
IntPtr newObjRef = m_native.Create();
if (newObjRef == IntPtr.Zero) return null;
signals.IBlock newObj = (signals.IBlock)Registration.retrieveObject(newObjRef);
if (newObj == null) newObj = new CppProxyBlock(this, null, newObjRef);
return newObj;
}