HandleRef.cs

namespace System.Runtime.InteropServices
{
    [ComVisible(true)]
    public struct HandleRef
    {
        internal object m_wrapper;

        internal IntPtr m_handle;

        public object Wrapper => m_wrapper;

        public IntPtr Handle => m_handle;

        public HandleRef(object wrapper, IntPtr handle)
        {
            m_wrapper = wrapper;
            m_handle = handle;
        }

        public static explicit operator IntPtr(HandleRef value)
        {
            return value.m_handle;
        }

        public static IntPtr ToIntPtr(HandleRef value)
        {
            return value.m_handle;
        }
    }
}