/// <summary>
/// Initializes a new instance of the <see cref="Object"/> class.
/// </summary>
/// <param name="ptr">native pointer</param>
/// <param name="deleter">optional deleter</param>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="ptr"/> is null</exception>
protected Object(IntPtr ptr, Deleter deleter)
{
if (ptr == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(ptr));
}
m_instance = new DeleterHandle(ptr, deleter);
}
/// <summary>
/// Initializes a new instance of the <see cref="CustomProcessingBlock"/> class.
/// </summary>
/// <param name="cb">Processing function to be applied to every frame entering the block</param>
public CustomProcessingBlock(FrameProcessorCallback cb)
{
frameProcessorCallbackHandle = GCHandle.Alloc(cb, GCHandleType.Normal);
IntPtr cbPtr = GCHandle.ToIntPtr(frameProcessorCallbackHandle);
object error;
var pb = NativeMethods.rs2_create_processing_block_fptr(fpc, cbPtr, out error);
m_instance = new Base.DeleterHandle(pb, NativeMethods.rs2_delete_processing_block);
Options = new OptionsList(m_instance.Handle);
}