Example Nuget package install script in C#

install.ps1

param ($InstallPath, $ToolsPath, $Package, $Project)

Add-Type -Language CSharpVersion3 -TypeDefinition @'
public class MyPackage {
    public static void Execute(string installPath, string toolsPath, object package, object Project) {
        // implement Nuget init, install, uninstall script as C#
        System.Console.WriteLine(installPath);
    }
}
'@

[MyPackage]::Execute($InstallPath, $ToolsPath, $Package, $Project)