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VB.NET Command line switch

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by john

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I was wondering how I can make my windows application accept command line switches so that it will do different things on startup. Also is there any way, with command line switches, to invoke a class when the program is already running?

3 replies

by maheshkumarvk

Hi,
The Command Line switches can be accessed through the Command() function that is available with Microsoft.VisualBasic namespace, which is automatically included when you open a VB.Net application in the VStudio IDE.

I have just written a small code to illustrate this-

Imports System
Imports System.IO
Imports Microsoft.VisualBasic
Module CommandLineSwitch
Sub Main()
Console.Write(Command())
End Sub
End Module

You can test this by compiling in the CommandLine using the command line compiler -
>vbc /target:exe /out:CmdLineSwitch.exe TestCL.vb, where the code is saved as TestCL.vb.

After compiling run in the command line as CmdLineSwitch parameter 1 2
and see the output.

This example can be adopted in your windows application as well.

Hope this will help you.

With Prem and Om
In the Name of Iswara
Mahesh

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