Detect windows shutdown in consol application

[makdu]

Hi,
I have an application and this application needs to display a message when the window shutdown happen. How can i detect that the system is shutting down from a C# program

namespace ConsoleApplication1
{
public partial class Program
    {
        static void Main(string[] args)
        {

            string regMatch = "";//string to search for inside of text file. It is case sensitive.
            string readtext = "";
            string path = "";
            bool persistantfilepresent = false;
            bool status = false;
            try
            {
                readtext = readroutetable(); // Read the windows routing table

                //path = "d:\\file.txt";
                //deletefiles(path); //Delete the  output dump file

                path = "d:\\madavas1.txt";
                deletefiles(path);  //delete madavas1 files 
                createfiles(path);  // Create a file to write to madavas1.txt.

                path = "d:\\madavas2.txt";
                deletefiles(path); //delete madavas2 files 
                createfiles(path);  // Create a file to write to madavas2.txt.

                path = "d:\\madavas1permanent.txt";
                createfiles(path);  // Create an empty file for storing the peristant route

                regMatch = "Active Routes:";
                ActiveRoutes(regMatch, readtext);//create mdavas1.txt for persistent route

                regMatch = "Persistent Routes:";
                Persistentroute(regMatch, readtext);//create mdavas2.txt for active route


                readrange();           
                currentgateway();           // Read current gateway values

                status = comparerange();       
                              }


                persistantfilepresent = checkpersitantroute();     
                writepersistantroute();
// Here I want a while loop to check whether the system shut down is there  
            }
            catch (Exception e)
            {
                Console.WriteLine("{0} Exception caught.", e);
                Console.ReadLine();
            }
        }
}

[makdu]

i tried some thing like

  internal static bool shuttingDown;
       private const int WM_QUERYENDSESSION = 0x0011;   

        protected override void WndProc( ref Message m ) 
        {
            if( m.Msg == WM_QUERYENDSESSION)
            {
                // You're shutting down 
                shuttingDown = true;
            } 
            base.WndProc( ref m );
        }

but i am getting following error

Error	1	The type or namespace name 'Message' could not be found (are you missing a using directive or an assembly reference?)

Any idea wats wrong with my modification

[makdu]

Am i missing some header file?

[makdu]

I have modified the project to include a window form. Now i am able to detect when the shutdown happening. But i am having another problem now

public partial class frmdualconection : Form
       {
        private const int WM_QUERYENDSESSION = 0x0011;      //Shut down
        public bool isShuttingDown = false;

        public frmdualconection()
        {
            InitializeComponent();

        logicalflow();
           
        }
   


        protected override void WndProc(ref Message m)
        {
            if (m.Msg == WM_QUERYENDSESSION)
            {
                
                isShuttingDown = true;
            }
            base.WndProc(ref m);
        }

    }

In logicalflow(), i have a while loop and if the program is running in while loop section and a shutdown comes, that is not detected . how can i handle this?

[dee-u]

Have you tried inserting a DoEvents in your loop?

[makdu]

This is my while loop

 while (statusmada == false)
                {

                    path = "d:\\madavas2.txt";
                    deletefiles(path);                                      //delete madavas2 files 
                    createfiles(path);                                      
                    readtext = readroutetable();                             // Read the windows routing table
                    regMatch = "Active Routes:";
                    ActiveRoutes(regMatch, readtext);                    
                    Thread.Sleep(1000);                     // sleep the application for 1 second
                    currentgateway();                                      

                    statuszain = comparerangeforzain();                                      if (statuszain == true)
                    {
                        statusmada = comparerangeformada();               
                    }
                    if (statusmada == true)
                    {
                        break;
                    }
                }

Here how i will insert a do event loop. I am not that good with the c#.

[dee-u]

You can try inserting it after this line.

if (statusmada == true)
                    {
                        break;
                    }

BTW, what did you mean when it is not detected when you are in a loop? How are you suppose to detect it?

[makdu]

as in previous post, i am using followwing code to detect the shutdown

protected override void WndProc(ref Message m)
        {
            if (m.Msg == WM_QUERYENDSESSION)
            {
                
                isShuttingDown = true;
            }
            base.WndProc(ref m);
        }

When the program is in the while loop, if a shut down comes, the break point put inside above fucntion is not hit. So what do event i have to put it in the loop so that when a shutdown messge happens, i get out of the loop

Did u mean put the code in do while loop?
like this ?

        do
                {
                    path = "d:\\madavas2.txt";
                    deletefiles(path);                                      
                    createfiles(path);                                      

                    readtext = readroutetable();                            
                    regMatch = "Active Routes:";
                    ActiveRoutes(regMatch, readtext);                       

                    Thread.Sleep(1000);                     
                    currentgateway();                                      


                    statuszain = comparerangeforz();                         
                    if (statuszain == true)
                    {
                        statusmada = comparerangeformada();                 

                    }
                    if (statusmada == true)
                    {
                        break;
                    }
                } while (statusmada == false);

[makdu]

Is there a way to detect the shutdown intiated by windows in consol application?