C#

private delegate void ApplicationsLoadedDelegate(List<Product> products);
private event ApplicationsLoadedDelegate ApplicationsLoaded;

        private void frmCompInfo_Load(object sender, EventArgs e)
        {
            // Create our methods for handling data once its finished
            ApplicationsLoaded += new ApplicationsLoadedDelegate(frmCompInfo_ApplicationsLoaded);
            ServicesLoaded += new ServicesLoadedDelegate(frmCompInfo_ServicesLoaded);
            InfoLoaded += new InfoLoadedDelegate(frmCompInfo_InfoLoaded);


            // Start our threads for getting information
            appThread = new Thread(new ThreadStart(GetApplications));
            appThread.Start();

            driveThread = new Thread(new ThreadStart(GetInfo));
            driveThread.Start();

            serviceThread = new Thread(new ThreadStart(GetServices));
            serviceThread.Start();
        }

        private void GetApplications()
        {
            WMI_Commands wmi = new WMI_Commands(Username, Password,
                System.Management.ImpersonationLevel.Impersonate, System.Management.AuthenticationLevel.Default);

            List<Product> products = wmi.InstalledApplications(NetBios);
            if (ApplicationsLoaded != null)
                ApplicationsLoaded(products);

            products = null;
        }
private void frmCompInfo_ApplicationsLoaded(List<Product> products)
        {
            if (lstApplications.InvokeRequired)
                lstApplications.Invoke(new ApplicationsLoadedDelegate(ApplicationsLoaded), new object[] { products });
            else
            {
                lstApplications.BeginUpdate();

                foreach (Product p in products)
                {
                    ListViewItem item = new ListViewItem();
                    item.Text = p.Name;
                    item.SubItems.Add(p.Version);
                    item.SubItems.Add(p.Vendor);
                    item.SubItems.Add(p.InstallLocation);

                    lstApplications.Items.Add(item);
                }

                lstApplications.EndUpdate();
                SetPBVisible(pbApplications, false);
            }
        }

private void frmCompInfo_FormClosing(object sender, FormClosingEventArgs e)
{
    ApplicationsLoaded -= frmCompInfo_ApplicationsLoaded;
    ServicesLoaded -= frmCompInfo_ServicesLoaded;
    InfoLoaded -= frmCompInfo_InfoLoaded;
}

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading;
using System.Windows.Forms;

namespace ThreadingDemo
{
    public partial class FormMain : Form
    {
        MyThreadedClass myThreadedClass;

        public FormMain()
        {
            InitializeComponent();
            myThreadedClass = new MyThreadedClass();
            myThreadedClass.GotDataCompleted += myThreadedClass_GotDataCompleted;
            FormClosing += FormMain_FormClosing;
            Shown += new EventHandler(FormMain_Shown);
        }

        void FormMain_Shown(object sender, EventArgs e)
        {
            // Call one of these depending on your requirements for thread termination

            //RunThread();
            //RunThreadAsBackground();
        }

        private void FormMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            // Unsubscribing from event ensures UI will not be updated once form is closed!
            myThreadedClass.GotDataCompleted -= myThreadedClass_GotDataCompleted;
        }
        private void myThreadedClass_GotDataCompleted(object sender, GotDataCompletedEventArgs e)
        {
            if (InvokeRequired)
                Invoke(new MethodInvoker(delegate { myThreadedClass_GotDataCompleted(sender, e); }));
            else
            {
                foreach (string item in e.Data)
                    Text = item;
            }
        }
        // Application will close but thread will continue to run until completed.
        private void RunThread()
        {
            myThreadedClass.Begin();
        }
        // Thread will terminate when application closes.
        private void RunThreadAsBackground()
        {
            myThreadedClass.SetAsBackground();
            myThreadedClass.Begin();
        }
    }

    public class MyThreadedClass
    {
        public event EventHandler<GotDataCompletedEventArgs> GotDataCompleted;

        private Thread thread;

        public MyThreadedClass()
        {
            thread = new Thread(new ThreadStart(Start));
        }

        public void Begin()
        {
            thread.Start();
        }
        protected virtual void OnGotDataCompleted(GotDataCompletedEventArgs e)
        {
            EventHandler<GotDataCompletedEventArgs> eh = GotDataCompleted;
            if (eh != null)
                eh(this, e);
        }
        private void Start()
        {
            GotDataCompletedEventArgs e = new GotDataCompletedEventArgs();
            e.AddData("Data 1");
            // Simulate long operation
            Thread.Sleep(10000);
            e.AddData("Data 2");
            OnGotDataCompleted(e);
        }
        public void SetAsBackground()
        {
            thread.IsBackground = true;
        }
    }

    public class GotDataCompletedEventArgs : EventArgs
    {
        private List<string> data;

        public GotDataCompletedEventArgs()
        {
            data = new List<string>();
        }

        public ReadOnlyCollection<string> Data
        {
            get { return data.AsReadOnly(); }
        }

        internal void AddData(string item)
        {
            data.Add(item);
        }
    }
}

nbgangsta wrote:

this.Refresh();

nbgangsta wrote:

t = new Thread(new ParameterizedThreadStart(Commando));            <br />
t.Start(true);

public void Commando(object obj)
{
     while (true)
     {
          Graphics x = this.CreateGraphics();
          x.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
          x.DrawLine(pen, new Point(0, 0),
                     new Point(
          MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y));

          this.Refresh();
     }
}

private void Form1_MouseMove(object sender, MouseEventArgs e)
{
    this.Refresh();
    Graphics x = this.CreateGraphics();
    x.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
    x.DrawLine(pen, new Point(0, 0),
        new Point(
       MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y));
}

public void Commando(object obj)
{
    while (true)
    {
        Graphics x = this.CreateGraphics();
        x.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
        x.DrawLine(pen, new Point(0, 0),
            new Point(
           MousePosition.X - this.Location.X, MousePosition.Y - this.Location.Y));

        if (this.InvokeRequired)
        {
            RefreshMe = RefreshForm;
            this.Invoke(RefreshMe);
        }

    }
}

private delegate void RefreshFormDel();

private RefreshFormDel RefreshMe;

private void RefreshForm()
{
    this.Refresh();
}


private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
    if (t != null)
        if (t.IsAlive)
            t.Abort();
}

Jon Braunsma wrote:

So how do I take the Active-X control my application was built on and distribute it? It is a network application and I need to be able to distribute everything the user needs to run, but I can't force people to go buy office.

public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            test _test = new test();
            string strId = _test.StrID;
        }
    }

    public class test
    {
        string strID = string.Empty;

        //This is the property that you can refer from any other class in which u have instantiated this class (test)
        public string StrID
        {
            get { return strID; }
            set { strID = value; }
        }

        public string hello()
        {
            strID = this.txtTextBox1.Text; //here i am confused with my basic concept (can i assign value to strID from TextBox and if yes then how to get TextBox Value from form2 because I am making a new class here)
            return strID;
        }
    }