Retrieving the COM class factory for component with CLSID

Rhino Developer
1

Hi, I have this code

try
            { 
                Type type = Type.GetTypeFromProgID("Rhino5x64.Application", true);

                if (type == null)
                {
                    logger.Error("type = null / Cannot find the COM type of Rhino5x64.Application", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                    return;
                }
                else

                    try
                    {
                        // Crea una instancia di Rhino per lanciare i comandi
                        rhino = Activator.CreateInstance(type);
                     }
                    catch (Exception e)
                    {
                        logger.Error($"Exception on CreateInstance Rhino: {e.Message}", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                    }
            
            }
            catch (Exception e)
            {
                logger.Error($"GetTypeFromProgID Error Source: {e.Source}", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                logger.Error($"Cannot find the COM type of Rhino5x64.Application - Message: {e.Message}", MethodBase.GetCurrentMethod().DeclaringType.FullName);
            }

            if (null == rhino)
            {
                logger.Error("Failed to create Rhino application", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                return;
            }
           
            try
            {
                 const int wait_milliseconds = 15 * 1000;
                int time_waiting = 0;
                while (0 == rhino.IsInitialized())
                {
                   
                    System.Threading.Thread.Sleep(100);
                    time_waiting += 100;
                    if (time_waiting > wait_milliseconds)
                    {
                        logger.Error("Rhino initialization failed", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                        return;
                    }
                }
               
         
                System.Threading.Thread.Sleep(1200);
                //       rhino.Visible = 1;
            }
            catch (Exception e)
            {
                logger.Error($"Rhino Initialize Error Source: {e.Message}", MethodBase.GetCurrentMethod().DeclaringType.FullName);
                return;
            }

            if (null == m_RhinoScript)
            {
                try
                {
                    object obj = rhino.GetScriptObject();
                    m_RhinoScript = (IRhinoScript)obj;
                }
                catch (Exception ex)
                {
                    logger.Error(string.Format("Error Creating Rhinoscript Object = {0}", ex.Message), MethodBase.GetCurrentMethod().DeclaringType.FullName);
                    return;
                }
            }

            logger.Debug($"Opening File {file3dm}...", MethodBase.GetCurrentMethod().DeclaringType.FullName);
            var openFileResult = rhino.RunScript("_Open " + file3dm, 0);

In the line
rhino = Activator.CreateInstance(type); throw the exceptionThe RPC server is unavailable. (Exception from HRESULT: 0x800706BA)

This process can be called simultaneously on several occasions.

HELP

2

Hi @gustavo.uzcategui,

This simple block of code seems to be working for me:

image
image1087×708 25 KB

using System;

namespace ConsoleApp1
{
  class Program
  {
    static void Main()
    {
      const string rhino_id = "Rhino5x64.Application";

      dynamic rhino = null;
      try
      {
        var type = Type.GetTypeFromProgID(rhino_id);
        rhino = Activator.CreateInstance(type);
      }
      catch
      {
        // ignored
      }

      if (null == rhino)
      {
        Console.WriteLine("Failed to create Rhino 5 application");
        return;
      }

      Console.WriteLine("Instance of Rhino 5 application created.");
      Console.WriteLine("Press any key to continue.");
      Console.ReadKey();
    }
  }
}

Perhaps you can post a simple project that does not work for you?

– Dale