AForge.Video.DirectShow.FilterInfo.GetName C# (CSharp) Метод

        private string GetName( IMoniker moniker )
        {
            Object bagObj = null;
            IPropertyBag bag = null;

            try
            {
                Guid bagId = typeof( IPropertyBag ).GUID;
                // get property bag of the moniker
                moniker.BindToStorage( null, null, ref bagId, out bagObj );
                bag = (IPropertyBag) bagObj;

                // read FriendlyName
                object val = "";
                int hr = bag.Read( "FriendlyName", ref val, IntPtr.Zero );
                if ( hr != 0 )
                    Marshal.ThrowExceptionForHR( hr );

                // get it as string
                string ret = (string) val;
                if ( ( ret == null ) || ( ret.Length < 1 ) )
                    throw new ApplicationException( );

                return ret;
            }
            catch ( Exception )
            {
                return "";
            }
            finally
            {
                // release all COM objects
                bag = null;
                if ( bagObj != null )
                {
                    Marshal.ReleaseComObject( bagObj );
                    bagObj = null;
                }
            }
        }