In real software industry, sometimes we need to cooperate with another vendor to improve our product. In this case, I found a case that I need to send a parameter to my vendor application. My application is built under VB .net, while my vendor application is built under C# .Net. So what I did was.

In my VB .Net application, I put below code to call my vendor application. I put the executable file location under settings.

argument = “Servername|DBName|UserID|Password”

System.Diagnostics.Process.Start(My.Settings.exeLoc, argument.Trim())

Then in my vendor application, they need to put this code in form_load event and need to create a method to parse parameter based on delimitier “|” (let’s say if you’d like to send more then 1 parameter).

private void Form1_Load(object sender, EventArgs e)
   string[] args = Environment.GetCommandLineArgs();
   string param=””;

   // The first commandline argument is always the executable path itself.
   if (args.Length > 1)

     for (int i = 1; i < args.Length;i++ )
         param += args[i];


Have a nice try.