Best way to exit application when host fails to respond?

[ant1111]

I have this codes in my VB.Net application:

screenHost.SendKeys ("<Enter>")
Do While screenhost.OIA.Xstatus <> 0
Loop

But when the host (that my application is connected to) does not respond, it caused my application hang.

What is the best way to exit my application gracefullly when the host fails to respond?

Should I put DoEvents inside the loop?

Thanks

 

[calculus]

The host always responds at some point.

I always put a DoEvents in the loop to not keep the app from "hanging" while it's waiting for a response.

calculus

 

[ant1111]

calculus,

Thanks for your prompt response.

I have an Windows service (FileSystemWatcher) that looks for data being dropped to the watcher folder and launches my VB console application that connected to host application via Extra.exe. Sometimes my VB application and host response are out of sync, thus cause both Extra.exe and my VB application hang. When I kill Extra.exe (via Task Manager), it free my application.

I appreciate your thought and feedback on this.

Thanks again.