C # create a window service

Using System;
Using System. Threading;
Using System. ServiceProcess;
Using System. Collections;
Using System. Configuration. Install;
Using System. Diagnostics;
Using System. Collections. Generic;
Using System. ComponentModel;
Using System. Data;
Using System. Drawing;
Using System. Text;
Using System. Windows. Forms;
Using System. Collections. Specialized;
Using System. IO;
Namespace WSGPSServices
{
Public partial class myService: ServiceBase
{
# Region member variables
Public string strCurrPath = new System. IO. FileInfo (System. Reflection. Assembly. GetExecutingAssembly (). Location). Directory. FullName;
Public string servicesname = "WSGPSServices"; // Service
Public string Proceename = "WSGPSGateway.exe"; // Process
# Endregion
Protected override void Dispose (bool disposeing)
{
If (disposeing)
{
If (components! = Null)
{
Components. Dispose ();
}
Register (servicesname, strCurrPath );
}
}
# Register and uninstall the region service
// Register the service
Public void Register (string servicesname, string strServiceInstallPath)
{
IDictionary mySavedState = new Hashtable ();
Try
{
System. ServiceProcess. ServiceController service = new System. ServiceProcess. ServiceController (servicesname );
// Uninstall if the service already exists
If (ServiceIsExisted (servicesname ))
{
UnInstallService (servicesname, strCurrPath );
}
Service. Refresh ();
// Register the service
AssemblyInstaller myAssemblyInstaller = new AssemblyInstaller ();
MySavedState. Clear ();
MyAssemblyInstaller. Path = "WSGPSServices.exe ";
MyAssemblyInstaller. UseNewContext = true;
MyAssemblyInstaller. Install (mySavedState );
MyAssemblyInstaller. Commit (mySavedState );
MyAssemblyInstaller. Dispose ();
Service. Start ();
ProcessStartInfo startinfo = new ProcessStartInfo ("WSGPSGateway.exe ");
Startinfo. WindowStyle = ProcessWindowStyle. Hidden;
Startinfo. Arguments = Application. StartupPath + "// WSGPSGateway.exe ";
Process. Start (startinfo );
InitializeComponent ();
}
Catch (Exception ex)
{
Throw new Exception ("error during service registration:" + ex. Message );
}
}
// Uninstall the service
Public void UnInstallService (string strServiceName, string strServiceInstallPath)
{
Try
{
If (ServiceIsExisted (servicesname ))
{
AssemblyInstaller myAssemblyInstaller = new AssemblyInstaller ();
MyAssemblyInstaller. UseNewContext = true;
MyAssemblyInstaller. Path = "WSGPSServices.exe ";
MyAssemblyInstaller. Uninstall (null );
MyAssemblyInstaller. Dispose ();
KillProcess ();
}
}
Catch (Exception ex)
{
Throw new Exception ("error occurred when uninstalling the service:" + ex. Message );
}
}
// End the process when the service is uninstalled
Private void KillProcess ()
{
System. Diagnostics. Process myproc = new System. Diagnostics. Process (); // obtain all open processes.
Try
{
Foreach (Process thisproc in Process. GetProcessesByName (Proceename ))
{
If (! Thisproc. CloseMainWindow ())
{
Thisproc. Kill ();
}
}
}
Catch (Exception Exc)
{
Throw Exc;
}
}
# Endregion
# Region start services and applications
// Start the service (if an existing service is started, an error will be reported if the service fails to be started in 30 seconds)
Public void StartService (string serviceName)
{
If (ServiceIsExisted (servicesname ))
{
System. ServiceProcess. ServiceController service = new System. ServiceProcess. ServiceController ("WSGPSServices ");
If (service. Status! = System. ServiceProcess. ServiceControllerStatus. Running & service. Status! = System. ServiceProcess. ServiceControllerStatus. StartPending)
{
Service. Start ();
For (int I = 0; I <30; I ++)
{
Service. Refresh ();
System. Threading. Thread. Sleep (1000 );
If (service. Status = System. ServiceProcess. ServiceControllerStatus. Running)
{
ProcessStartInfo startinfo = new ProcessStartInfo ("WSGPSGateway.exe ");
Startinfo. WindowStyle = ProcessWindowStyle. Hidden;
Startinfo. Arguments = Application. StartupPath + "// WSGPSGateway.exe ";
Process. Start (startinfo );
Break;
}
If (I = 29)
{
Throw new Exception ("WSGPS Services startup failed! ");
}
}
}
}
}
// Determine whether the service exists
Public bool ServiceIsExisted (string serviceName)
{
ServiceController [] services = ServiceController. GetServices ();
Foreach (ServiceController s in services)
{
If (s. ServiceName = servicesname)
{
Return true;
}
}
Return false;
}
# Endregion
# Region Timer scheduled task and Construction Method
// Timer Constructor
Private void InitializeComponent ()
{
This. components = new System. ComponentModel. Container ();
This. Timers = new System. Windows. Forms. Timer (this. components );
This. Timers. Enabled = true;
This. Timers. Interval = 180000;
This. Timers. Tick + = new System. EventHandler (this. Timers_Tick );
}
// Timer scheduled check task
Private void Timers_Tick (object sender, EventArgs e)
{
ServiceController [] services = ServiceController. GetServices ();
Foreach (ServiceController s in services)
{
If (s. ServiceName = servicesname)
{
Return; // null if return exists
}
Else
{
Register (servicesname, strCurrPath); // if no current service exists, Register the service again.
}
}
}
# Endregion
}
}