public CallbackHolder(DotNetCallback toWrap, NativeNodeHost parent)
{
Wrapped = toWrap;
_wrapper = OnCalled;
CallbackPtr = Marshal.GetFunctionPointerForDelegate(_wrapper);
_parent = parent;
}
public IntPtr MarshallCallback(DotNetCallback callback, out ReleaseDotNetValue releaseCallback)
{
var holder = new CallbackHolder(callback, this);
_registry.Add(holder.CallbackPtr, holder);
releaseCallback = ReleaseCallback;
return(holder.CallbackPtr);
}