/// <summary>
/// Adds a reference to a script context.
/// </summary>
/// <remarks>
/// Calling AddRef ensures that the context will not be freed until Release is called.
/// </remarks>
/// <returns>The object's new reference count.</returns>
public uint AddRef()
{
uint count;
Native.ThrowIfError(Native.JsContextAddRef(this, out count));
return(count);
}