Set Text Output To Event Log : Log « Development Class « C# / C Sharp

1. C# / C Sharp
2. Development Class
3. Log

Set Text Output To Event Log

   
/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.Threading;
using System.Diagnostics;

namespace FibersTest
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    /// 
    
    public class fmrFibers : System.Windows.Forms.Form
    {
        private System.Windows.Forms.ListBox lstFibers;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        [DllImport("kernel32.dll")]
        extern static IntPtr ConvertThreadToFiber(int fiberData);

        [DllImport("kernel32.dll")]
        extern static IntPtr CreateFiber(int size, System.Delegate function, int handle);

        [DllImport("kernel32.dll")]
        extern static IntPtr SwitchToFiber(IntPtr fiberAddress);

        [DllImport("kernel32.dll")]
        extern static void DeleteFiber(IntPtr fiberAddress);

        [DllImport("kernel32.dll")]
        extern static int GetLastError();
        delegate void SetTextOutputToEventLog(int number);
        public fmrFibers()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
            Thread t1 = new Thread(new ThreadStart(NewThreadToFiberExecution));
            t1.Start();
        }

        void OutputLog(int fiberNumber)
        {
            this.Invoke(new AddToListBox(SetText), new object[]{fiberNumber});
            SwitchToFiber(obj);
        }

        void SetText(int message)
        {
            lstFibers.Items.Add("Fiber "+message.ToString()+" added this");

        }

        delegate void AddToListBox(int message);

        System.IntPtr obj;

        void NewThreadToFiberExecution()
        {
            try
            {
                SetTextOutputToEventLog stof = new SetTextOutputToEventLog(OutputLog);

                obj = ConvertThreadToFiber(0);
                long l1 = GetLastError();

                System.IntPtr retVal1 = CreateFiber(500, stof, 1);
                System.IntPtr retVal2 = CreateFiber(500, stof, 2);
                System.IntPtr retVal3 = CreateFiber(500, stof, 3);
                System.IntPtr retVal4 = CreateFiber(500, stof, 4);
                System.IntPtr retVal5 = CreateFiber(500, stof, 5);
                if(GetLastError()!=0) throw new Exception("Create Fiber failed!!");

                IntPtr fiber1return = SwitchToFiber(retVal1);
                IntPtr fiber2return = SwitchToFiber(retVal2);
                IntPtr fiber3return = SwitchToFiber(retVal3);
                IntPtr fiber4return = SwitchToFiber(retVal4);
                IntPtr fiber5return = SwitchToFiber(retVal5);
                
                if(GetLastError()!=0) throw new Exception("Create Fiber failed!!");

                DeleteFiber(retVal1);
                DeleteFiber(retVal2);
                DeleteFiber(retVal3);
                DeleteFiber(retVal4);
                DeleteFiber(retVal5);
            }
            catch(Exception e)
            {
                throw e;
            }
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.lstFibers = new System.Windows.Forms.ListBox();
            this.SuspendLayout();
            // 
            // lstFibers
            // 
            this.lstFibers.Name = "lstFibers";
            this.lstFibers.Size = new System.Drawing.Size(320, 212);
            this.lstFibers.TabIndex = 0;
            // 
            // fmrFibers
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(304, 213);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.lstFibers});
            this.Name = "fmrFibers";
            this.Text = "FibersTest";
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new fmrFibers());
        }
    }
}


           
         
    
    
  

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