How to run a Command Prompt command with Visual Basic code

Question

I m trying to code something in Visual Basic  more specifically Visual Studio 2010  I want  with a button click  my program to execute a command  Is that possible

User · Answer

You need to use CreateProcess   http   msdn microsoft com en-us library windows desktop ms682425 v vs 85  aspx     For ex    LPTSTR szCmdline      tcsdup TEXT    C  Program Files MyApp   -L -S     CreateProcess NULL  szCmdline

User · Answer

Or  you could do it the really simple way   Dim OpenCMD  OpenCMD   CreateObject  wscript shell   OpenCMD run  Command Goes Here

User · Answer

Here is an example   Process Start  CMD     C Pause      C  Carries out the command specified by string and then terminates  K  Carries out the command specified by string but remains   And here is a extended function   Notice the comment-lines using CMD commands     Region   Run Process Function        Run Process Function          By Elektro H cker     Examples       MsgBox Run Process  Process exe       MsgBox Run Process  Process exe    Arguments      MsgBox Run Process  CMD exe     C Dir  B   True     MsgBox Run Process  CMD exe     C  Echo OFF  amp  For  L  X in  0 1 50000  Do  Echo  X    False  False     MsgBox Run Process  CMD exe     C Dir  B  S  SYSTEMDRIVE        False  500     If Run Process  CMD exe     C Dir  B   True  Contains  File txt   Then MsgBox  File found    Private Function Run Process ByVal Process Name As String                                 Optional Process Arguments As String   Nothing                                 Optional Read Output As Boolean   False                                 Optional Process Hide As Boolean   False                                 Optional Process TimeOut As Integer   999999999         Returns True if  Read Output  argument is False and Process was finished OK       Returns False if ExitCode is not  0        Returns Nothing if process can t be found or can t be started       Returns  ErrorOutput  or  StandardOutput   In that priority  if Read Output argument is set to True       Try          Dim My Process As New Process           Dim My Process Info As New ProcessStartInfo            My Process Info FileName   Process Name   Process filename         My Process Info Arguments   Process Arguments   Process arguments         My Process Info CreateNoWindow   Process Hide   Show or hide the process Window         My Process Info UseShellExecute   False   Don t use system shell to execute the process         My Process Info RedirectStandardOutput   Read Output    Redirect  1  Output         My Process Info RedirectStandardError   Read Output   Redirect non  1  Output         My Process EnableRaisingEvents   True   Raise events         My Process StartInfo   My Process Info         My Process Start     Run the process NOW          My Process WaitForExit Process TimeOut    Wait X ms to kill the process  Default value is 999999999 ms which is 277 Hours           Dim ERRORLEVEL   My Process ExitCode   Stores the ExitCode of the process         If Not ERRORLEVEL   0 Then Return False   Returns the Exitcode if is not 0          If Read Output   True Then             Dim Process ErrorOutput As String   My Process StandardOutput ReadToEnd     Stores the Error Output  If any              Dim Process StandardOutput As String   My Process StandardOutput ReadToEnd     Stores the Standard Output  If any                Return output by priority             If Process ErrorOutput IsNot Nothing Then Return Process ErrorOutput   Returns the ErrorOutput  if any              If Process StandardOutput IsNot Nothing Then Return Process StandardOutput   Returns the StandardOutput  if any          End If      Catch ex As Exception          MsgBox ex Message          Return Nothing   Returns nothing if the process can t be found or started      End Try      Return True   Returns True if Read Output argument is set to False and the process finished without errors   End Function   End Region

User · Answer

Yes   You can use Process Start to launch an executable  including a console application   If you need to read the output from the application  you may need to read from it s StandardOutput stream in order to get anything printed from the application you launch

[vb.net] How to run a Command Prompt command with Visual Basic code?

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