CodeTV.GraphBuilderBase.ThrowExceptionForHR C# (CSharp) Метод

        protected void ThrowExceptionForHR(string errorText, int hr)
        {
            // If a severe error has occurred
            if (hr < 0)
            {

                try
                {
                    string s = DsError.GetErrorText(hr);

                    // If a string is returned, build a com error from it
                    if (s != null)
                    {
                        throw new COMException(s, hr);
                    }
                    else
                    {
                        // No string, just use standard com error
                        Marshal.ThrowExceptionForHR(hr);
                    }
                }
                catch (Exception ex)
                {
                    throw new Exception(string.Format("{0}{1}", errorText, ex.Message), ex);
                }
            }
        }