.Net multiple console apps projects in a solution to be a referenced in one console app project

Create a new solution with the three console applications as projects. Define App2 and App3 as required. Then, for App3 add the other applications as references. Now, in the code for App3, you can call the other applications' main methods as desired. This works. But, please note that it is a little strange to add an application as a reference.

Normally, you should have a single executable referencing other dll's.

What you can do is, create a class library (dll) project. Code all 3 functionality in this project. Then, create 3 separate console applications which all reference this shared dll and use the various functionalities provided by your shared dll as required by configuration and input parameters.

Without knowing more the only way I could really suggest, is that you have app1.exe run and then depending on the configuration flags use either a case statment to determine the executable to run:

int configFlag = 1; switch (configFlaf) { case 1: process.start("app2.exe"); break; case 2: Console.WriteLine("app3.exe"); break; default: Console.WriteLine("Invalid Config Flag"); break; } 

or you could use an if statement:

if(configFlag1 && configFlag2) process.start("app2.exe") else process.start("app3.exe"); 

If you provide more information I'll gladly put some more information and detail into this explanation.

Expansion on your update 1 information The only way I can see around getting around the missing config issues (especially if the executables aren't going to be in the same folder when deployed) would be to launch app2.exe and app3.exe with an argument of either:

1. The directory of the configuration files.
2. The working directory of app1.exe

So you would launch app2.exe like so:

process.start("app2.exe", "c:\config\"); 

or

process.start("app2.exe", Directory.GetCurrentDirectory()); 

Then in app2.exe:

class app2. { static void Main(string[] args) { if (args.Length > 0")) Environment.CurrentDirectory = (args[0]); } } 

You can find more information on using command line arguments here: https://msdn.microsoft.com/en-us/library/aa288457%28v=vs.71%29.aspx

The solution to my problem was quite simple. All I had to do was,

copy App2.config and App3.config to App1's bin/debug folder..

and it worked like a charm!! :)