string array inside object array in Powershell-CodePudding

Im trying to call a function from a c# dll via powershell, it require an object array as parameter and i need to pass strings inside it, but i dont know how.

What i need to do:

C# version:

printCustom(new object[] {new string[] {"hello", "its", "working"}});

I need to call this function from powershell but how to pass the parameters?

printCustom([object[]]@(//now?//));

thanks.

CodePudding user response：

Use the unary array operator , to wrap an enumerable type in an array - this will prevent PowerShell from unraveling the string-array when you then construct the array that'll actually get passed to the method:

[TargetType]::printCustom(@(,'hello its working'.Split()))

Let's test it:

# Generate test function that takes an array and expects it to contain string arrays

Add-Type @'
using System;

public class TestPrintCustom
{
  public static void printCustom(object[] args)
  {
    foreach(var arg in args){
      foreach(string s in (string[])arg){
        Console.WriteLine(s);
      }
    }
  }
}
'@

[TestPrintCustom]::printCustom(@(,"hello its working".Split()))

Which, as expected, prints:

hello
its
working