Wait until external application ends...

[giannis121]

I'm using a button to call an external application:
Shell ("c:\myapplication.exe")

Inside the same button i want to load a file after "myapplication" file is closed.
LoadFile("c:\myfile.txt") 

So, i need something like "~wait for myapplication to close" between these commands:
Shell ("c:\myapplication.exe")
"Wait for myapplication to close"
LoadFile("c:\myfile.txt")

How can i do that?

[giannis121]

The problem was solved as following:

I created a button which has VB script:
LoadFile("c:\myfile.txt")
While IsLoading()
Sleep 100
Wend

This button has enabled a HOTKEY (for example key "0").
So when my application finishes, focuses on Mach application
and sends a keystroke "0" (the HotKey).

2-3 days of searching and i didn't find any other solution.
Still if you have any idea of controlling it through Mach,
please share.

Giannis