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Error when access Register's value with RegLong using PCDK C#

  • Dang T
  • March 14, 2022 at 9:49 PM
  • Thread is Resolved
  • Dang T
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    • March 14, 2022 at 9:49 PM
    • #1

    Hi all,

    I am trying to access and manipulate FANUC V9.30P/08 controller's registers using PCDK (version V9.30(Rev.B)) in C#. Please help me understanding why the following code does not work:

    C#
    using System;
    
    using FRRobot;
    namespace PCDK_Project_1
    {
        class Program
        {
            static void Main(string[] args)
            {
    
                FRCRobot myrobot = new FRCRobot();
                string ip_str = "127.0.0.1:3002"; 
                myrobot.Connect(ip_str);
                bool is_connected = myrobot.IsConnected;
    
                FRCVars robot_registers = myrobot.RegNumerics;
    
                FRCVar layer = robot_registers[6];
    
                Console.WriteLine("Access Code: " + layer.AccessCode);
                Console.WriteLine("Id: " + layer.FieldName);
                Console.WriteLine("Name_Id: " + layer.VarName);
                Console.WriteLine("Value: " + layer.Value);
                Console.WriteLine("Value: " + layer.Value.RegLong);
                //Console.WriteLine("Value: " + layer.Value.Long); // This one does not work either :(
    
    
            }
        }
    }
    Display More

    The outputs (belows) indicates that "RegLong" does not exist in "FRCVar" object.

    Code
    Microsoft.CSharp.RuntimeBinder.RuntimeBinderException
      HResult=0x80131500
      Message='System.__ComObject' does not contain a definition for 'RegLong'
      Source=<Cannot evaluate the exception source>
      StackTrace:
    <Cannot evaluate the exception stack trace>


    However, I have followed these threads and this seeing that the similar syntax work. Can anyone please help?

    Images

    • Error.jpg
      • 52.36 kB
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  • SkyeFire March 14, 2022 at 10:10 PM

    Moved the thread from forum General Discussion of Industrial Robots Only to forum Fanuc Robot Forum.
  • Dang T
    Reactions Received
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    • March 14, 2022 at 11:21 PM
    • #2

    I think I found the solution already. Since layer.Value returns back a dynamic object that does not support RegLong property, I had to transform it back to FRCRegNumeric first.

    The solution is:

    C#
    {
      ...
                FRCVars robot_registers = myrobot.RegNumerics;
    
                FRCVar layer = robot_registers[6];
                FRCRegNumeric layer_value = layer.Value;
                Console.WriteLine(layer_value.RegLong);
      ...
    }

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