[dba-VB] C# - Presenting process status

Shamil,

Thanks for this.  I will need to study it.

John W. Colby
www.ColbyConsulting.com


Shamil Salakhetdinov wrote:
> Hi John,
> 
> Here is one of the methods I use (there are zillion combinations) - I dunno
> where it comes from, did I borrowed it from somewhere or I got it elaborated
> myself, is it recommended way or not - but it just works, and I have
> "cooked" it for you here from scratch - this is codebehind for Windows Form
> named Form1:
> 
> using System;
> using System.Windows.Forms;
> 
> namespace WinFormsSample
> {
>     public partial class Form1 : Form
>     {
>         // Create Windows Form Form1 with three controls:
>         //
>         // 1. Button: cmdTest1 -> cmdTest1_Click
>         // 2. Button: cmdTest2 -> cmdTest2_Click
>         // 3. TextBox: txtLog (Multiline = true)
> 
>         #region Test class
>         public class Test
>         {
>             public delegate void ProgressStatus(string message);
> 
>             private static int _id;
>             private System.Threading.Thread _thread; 
>             public void Run(ProgressStatus progressStatus)
>             {
>                 _testId = ++_id;
>                 _progressStatus = progressStatus;
>   
>                 System.Threading.ThreadStart ts =
>                     new System.Threading.ThreadStart(runThread);
>                 _thread = new System.Threading.Thread(ts);
>                 _thread.IsBackground = true;
>                 _thread.Start();  
>             }
> 
>             private int _testId;
>             private ProgressStatus _progressStatus;
>             private void runThread()
>             {
>                 for (int i = 1; i < 10; i++)
>                 {
>                     _progressStatus(string.Format("Test#{0}, cycle#{1}",
> _testId, i));
>                     System.Threading.Thread.Sleep(500);
>                 }
>             }
>         }
>         #endregion // Test class
> 
>         public Form1()
>         {
>             InitializeComponent();
>         }
> 
>         private Test _test1;
>         private void cmdTest1_Click(object sender, EventArgs e)
>         {
>             _test1 = new Test();
>             _test1.Run(progressStatus);  
>         }
> 
>         private Test _test2;
>         private void cmdTest2_Click(object sender, EventArgs e)
>         {
>             _test2 = new Test();
>             _test2.Run(progressStatus);  
>         }
> 
>         private void progressStatus(string message)
>         {
>             if (this.InvokeRequired)
>             {
>                 object[] args = { message };
>                 this.Invoke(
>                     new Test.ProgressStatus( 
>                     progressStatusInThisFormThread),
>                       args); 
>             }
>             else
>                 progressStatusInThisFormThread(message); 
> 
>         }
> 
>         private static object _statusMessageOutputLocker = new object(); 
>         private void progressStatusInThisFormThread(string message)
>         {
>             lock (_statusMessageOutputLocker)
>             {
>                 txtLog.Text =
>                     String.Format("{0:hh:mm:ss.fff}: {1}", 
>                     DateTime.Now,  
>                     message) +
>                     System.Environment.NewLine + 
>                     txtLog.Text; 
>             }
>         }
>     }
> }
> 
> I will try to post about another one I use in the coming days...
> 
> Thank you.
> 
> --
> Shamil
> 
> -----Original Message-----
> So how do you folks display status information in a form?