VBScript - How to make program wait until process has finished?

Question

I have a problem in a VBScript that I am using with a VBA/Excel macro and a HTA. The problem is just the VBScript, I have the other two components, i.e. the VBA macro and HT

Answer 1

This may not specifically answer your long 3 part question but this thread is old and I found this while searching today. Here is one shorter way to: "Wait until a process has finished." If you know the name of the process such as "EXCEL.EXE"

strProcess = "EXCEL.EXE"    
Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\cimv2")
Set colProcesses = objWMIService.ExecQuery ("Select * from Win32_Process Where Name = '"& strProcess &"'")
Do While colProcesses.Count > 0
    Set colProcesses = objWMIService.ExecQuery ("Select * from Win32_Process Where Name = '"& strProcess &"'")
    Wscript.Sleep(1000) 'Sleep 1 second
   'msgbox colProcesses.count 'optional to show the loop works
Loop

Credit to: http://crimsonshift.com/scripting-check-if-process-or-program-is-running-and-start-it/