Invoking cmd file from dll file

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I wanna invoke cmd file from dll.I know it is possible. can anyone tell me the code. am using Visual studio 2008

Posted 27-Jan-13 2:20am

bharath_ben

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Richard MacCutchan 27-Jan-13 9:07am

So you are using Visual studio 2008, but what computer language are you using?

bharath_ben 27-Jan-13 11:01am

visual basic!

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Mike Meinz · Answer 1 · 2013-01-27T02:57:00

Solution 1

The Process Class has properties that you can set. Review documentation to see if you want to set any of them.

Imports System.Diagnostics

Dim myProcess As New Process
Try
    myProcess.StartInfo.FileName = Environment.GetFolderPath( _
        Environment.SpecialFolder.System) & _
        "\cmd.exe"
    myProcess.Start()
Catch ex As Exception
    MsgBox(String.Concat(ex.Message, vbNewLine, vbNewLine, _
         "Unable to Start: cmd.exe"), _
         MsgBoxStyle.Critical, "Starting CMD.EXE")
End Try

Posted 27-Jan-13 2:57am

Mike Meinz

Updated 27-Jan-13 13:48pm

v7

Comments

bharath_ben 27-Jan-13 11:19am

It doesnt work! Am using visual studio 2008 and my project in VB!

Mike Meinz 27-Jan-13 12:12pm

Please explain in more detail.
Do you get an error message when you run your program? if so, what?
Do you get a compile error? If so, what?

I added "Imports System.Diagnostics" to the Solution in case you hadn't looked at the Visual Basic Help to determine that you needed to import that namespace.

bharath_ben 27-Jan-13 19:15pm

try doesnt work.. and declaration expected for myProcess.

Mike Meinz 27-Jan-13 19:21pm

Your statement doesn't fully answer my questions. I'll offer some more suggestions here.

This is the declaration for myProcess:
Dim myProcess As New Process

Just in case, cmd.exe is not in the program search PATH on your computer, change the statement that sets the filename to this line of code:
myProcess.StartInfo.FileName = Environment.GetFolderPath(Environment.SpecialFolder.System) & "\cmd.exe"

Have you included the following?
Imports System.Diagnostics

Post your code so I can see what it looks like.
I have been using that code since VB .NET 2003 up to and including VB .NET 2012.