Application - run once

[Drstein99]

Users are clicking my application, 2x and 3x, getting the same application which is designed to RUN ONCE.

 

They click, it takes so long to load .dll's initially, they do it again because (for whatever reason). By that time, 2 or more app forms are on the screen.

 

 

How can I prevent against more than once instance of this application from loading? Please advise, thanks.

[PlausiblyDamp]

http://www.xtremedotnettalk.com/showthread.php?t=90330 may be worth a read

[EFileTahi-A]

Users are clicking my application, 2x and 3x, getting the same application which is designed to RUN ONCE.

 

They click, it takes so long to load .dll's initially, they do it again because (for whatever reason). By that time, 2 or more app forms are on the screen.

 

How can I prevent against more than once instance of this application from loading? Please advise, thanks.

 

Hi Drstein99,

 

This prevents your application from running twice...

System.Diagnostics.Process ThisProcess System.Diagnostics.Process.GetCurrentProcess();
System.Diagnostics.Process[] AllProcesses = System.Diagnostics.Process.GetProcessesByName(ThisProcess.ProcessName);

if (AllProcesses.Length > 1)
{
MessageBox.Show(ThisProcess.ProcessName + " is already executed", ThisProcess.ProcessName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}

[Drstein99]

Hi Drstein99,

 

This prevents your application from running twice...

System.Diagnostics.Process ThisProcess System.Diagnostics.Process.GetCurrentProcess();
System.Diagnostics.Process[] AllProcesses = System.Diagnostics.Process.GetProcessesByName(ThisProcess.ProcessName);

if (AllProcesses.Length > 1)
{
MessageBox.Show(ThisProcess.ProcessName + " is already executed", ThisProcess.ProcessName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}

 

Yea, it seemed like those other threads were very lengthy and had me running all over the place with different paths, all over. I'm going to give this quick solution a try, thank you.

[Wile]

You could try getting a spalsh screen as well.

 

The reason they are launching your app several times is that they dont get feedback that it is starting. Displaying a splash screen to the user would solve that and would probably reduce the frustration.

For me personally, nothing feels as lousy as an app that does nothing the first 10 seconds after starting, and yes, i'm to lazy to open the taskmanager and check if it is working ;).