Tsukikage.DirectShow.RunningObjectTableEntry.RunningObjectTableEntry C# (CSharp) Method

        public RunningObjectTableEntry(object iUnknownObject, string name)
        {
            int hresult;
            const int ROTFLAGS_REGISTRATIONKEEPSALIVE = 1;
            System.Runtime.InteropServices.ComTypes.IRunningObjectTable rot = null;
            System.Runtime.InteropServices.ComTypes.IMoniker moniker = null;

            try
            {
                hresult = GetRunningObjectTable(0, out rot);
                if (hresult < 0) throw new COMException("GetRunningObjectTable failed.", hresult);

                string wsz = string.Format("{0} {1:x16} pid {2:x8}",
                    name,
                    Marshal.GetIUnknownForObject(iUnknownObject).ToInt64(),
                    System.Diagnostics.Process.GetCurrentProcess().Id);

                hresult = CreateItemMoniker("!", wsz, out moniker);
                if (hresult < 0) throw new COMException("CreateItemMoniker failed.", hresult);

                int register = rot.Register(ROTFLAGS_REGISTRATIONKEEPSALIVE, iUnknownObject, moniker);
                this.register = register;

            }
            finally
            {
                if (moniker != null) Marshal.ReleaseComObject(moniker);
                if (rot != null) Marshal.ReleaseComObject(rot);
            }
        }