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Thread: Populating listbox control form a class file

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  1. #1
    Join Date
    Nov 2009
    Posts
    2

    Exclamation Populating listbox control form a class file

    Hello i am trying to populate a listbox on Form1 from values in a seperate class file called vmgetter.cs, so far everything seems to be working fine in the class file i just cant get the info to populate into the listbox on Form1 i have set the listbox to public also. Below is my Code.

    vmtgetter.cs
    ----------------------------------------------
    Code:
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Management;
    using System.Collections;
    
    
    namespace BackerUpper4.Engine
    {
       /* public struct VMInfo
        {
            public string _name;
            public int _id;
            public string _vmguid;
        }*/
        class vmgetter 
        {
           public List<vmgetter> VMList;
            
            private string _name;
            private int _id;
            private string _vmguid;
    
            public string Name
            {
                get { return _name; }
                set { _name = value; }
            }
    
            public string Vmguid
            {
                get { return _vmguid; }
                set { _vmguid = value; }
            }
            
    
    
            public void Getvm()
            {
                try
                {
    
                    ManagementScope scope = new ManagementScope("\\\\.\\root\\virtualization");
                    scope.Connect();
                    ObjectQuery query = new ObjectQuery(
                        "SELECT Name,ElementName FROM Msvm_ComputerSystem");
                    ManagementObjectSearcher searcher =
                        new ManagementObjectSearcher(scope, query);
                    ManagementObjectCollection queryCollection = searcher.Get();
                    VMList = new List<vmgetter>();
                    
    
                    int i = 0;
    
                    foreach (ManagementObject m in queryCollection)
                    {
    
    
                        //skip the first entry because it is the local machine name, not a vm.
                        if (i == 0)
                        {
                            i++;
                            continue;
                        }
                        else
                        {
                            vmgetter NewInfo = new vmgetter();
    
                            NewInfo._id = i - 1;
                            NewInfo._vmguid = m["Name"].ToString();
                            NewInfo._name = m["ElementName"].ToString();
    
    
    
    
                            Form1 frm = new Form1();
    
                           frm.listBox1.Items.Add(NewInfo.Vmguid + " " + NewInfo.Name);
                            //MessageBox.Show(NewInfo.Name);
                            //MessageBox.Show(NewInfo.Vmguid);
    
                            VMList.Add(NewInfo);
                        }
    
                    }
                }
                catch (Exception e)
                {
                }
    
            }
        }
    }
    
    Form1.cs Code:
    -----------------------------------------------
    
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Collections;
    using System.Management;
    using System.IO;
    using BackerUpper4.Engine;
    
    namespace BackerUpper4
    {
    
    
        public partial class Form1 : Form 
        {
    
            public Form1()
            {
                InitializeComponent();
            }
    
            private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
            {
    
            }
    
            private void Form1_Load(object sender, EventArgs e)
            {
                vmgetter vm = new vmgetter();
                vm.Getvm();
               
            }
         
    
               
    
            }
        }
    Last edited by Shuja Ali; November 4th, 2009 at 02:08 PM. Reason: Added code tags

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