/// <summary>
/// Gets the current index in the TextureSwapChain.
/// </summary>
/// <param name="index">Returns the current (free) index in specified chain.</param>
/// <returns>Returns an ovrResult for which the return code is negative upon error. </returns>
public OVRTypes.Result GetCurrentIndex(out int index)
{
if (Disposed)
{
throw new ObjectDisposedException("TextureSwapChain");
}
return(OVR.GetTextureSwapChainCurrentIndex(Session, TextureSwapChainPtr, out index));
}