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In VB need to get processId from Wscript.Shell or need to bring focus to window that I launch from Shell("some.exe")

Posted on 2004-08-16
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Last Modified: 2012-08-14
In the VB exe I am making I launch an exe and want to wait for it to return.   However in the code that waits for the exe to finish running uses a processID.  My problem is that I when i use the command Shell("nameofexe.exe") it launches the exe but does not show the window.  (It is a minimized window)  I then tried using Wscipt since I knew this would show the window.

Set WshShell = CreateObject("WScript.Shell")
installerId = WshShell.Run(".\Installer.exe")  

However this presented the problem that WshShell.Run(".\Installer.exe") does not return a process Id.  So if anyone can tell me how to either get the processId from Wscript.run or tell me how to make the window not be minimized when i run:

installerId = Shell(".\Installer.exe")

i would be very grateful and reward them the points.  Thanks in advance.
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Question by:jstreb
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LVL 96

Expert Comment

by:Bob Learned
ID: 11811635
What are you trying to accomplish here with the WshShell?  You can use this instead:

Dim p As New Process
p.StartInfo.UseShellExecute = False
p.StartInfo.RedirectStandardOutput = True
p.StartInfo.Arguments = myargumentstring
p.StartInfo.WorkingDirectory = myworkdirectorystring
p.StartInfo.FileName = "C:\myprogram"
p.Start
p.WaitForExit()

Bob
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Author Comment

by:jstreb
ID: 11812197
Basically I need to run through a seperate installer and make sure that that program is installed first before I proceed with anything else in my program.  All I want to do is launch that .exe and show the install wizard to the user and then proceed with my exe when they have finished with the install wizard.

I tried using your code you posted but I got a compile error of: = expected for the line p.WaitForExit().  I am using VB 6.0, don't know if that could be the cause.  Thanks though.
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LVL 96

Expert Comment

by:Bob Learned
ID: 11812238
Well, this is the VB.NET topic area.  You might want to post a free question in Community Support and ask for this question to be moved to http://www.experts-exchange.com/Programming/Programming_Languages/Visual_Basic/.

Community Support:
http://www.experts-exchange.com/Community_Support/

Bob
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Author Comment

by:jstreb
ID: 11813919
Well i found the an answer for those who are curious in the future.  The shell command can take in arguments to determine focus and size.  I ended up using the command:

installerId = Shell(".\Installer.exe", vbNormalFocus) and this did the trick.
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LVL 96

Expert Comment

by:Bob Learned
ID: 11814043
Good, I'm glad you found your answer.

Bob
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LVL 96

Expert Comment

by:Bob Learned
ID: 11814052
You can post a free question in the Community Support topic area and ask them to PAQ this question and refund your points.

Bob
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DarthMod earned 0 total points
ID: 12143509
Submitted to PAQ with no points refunded (of 125)

DarthMod
Community Support Moderator
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