C#，如何在 foreach 循环期间将字符串拆分为新行？

Question

使用 Powershell 对象并运行 foreach 循环来获取结果，

我得到了 2 个正确的 IP 地址结果 144.68.205.19 和 144.68.205.22 但它打印在 1 行中，

144.68.205.19144.68.205.22

应该像这样拆分新行，

144.68.205.19
144.68.205.22

请指教，这里是C#代码，

// Powershell
            Runspace runSpace = RunspaceFactory.CreateRunspace();
            runSpace.Open();
            Pipeline pipeline = runSpace.CreatePipeline();

            Command invokeScript = new Command("Invoke-Command");
            RunspaceInvoke invoke = new RunspaceInvoke();

            // invoke-command -computername compName -scriptblock { get-process }

            ScriptBlock sb = invoke.Invoke("{"+ PowerShellCodeBox.Text +"}")[0].BaseObject as ScriptBlock;
            invokeScript.Parameters.Add("scriptBlock", sb);
            invokeScript.Parameters.Add("computername", TextBoxServer.Text);

    string str = "";

    pipeline.Commands.Add(invokeScript);
    Collection<PSObject> output = pipeline.Invoke();
    foreach (PSObject psObject in output)
    {

        str = str + psObject;
    }

    if (str == ""){
        str = "Error";

        ResultBox.ForeColor = System.Drawing.ColorTranslator.FromHtml("#FF0000");
    }

    ResultBox.Text = str;

Answer 1

您可以在构建 str 时插入一个新行:

foreach (PSObject psObject in output)
{
    str += "\n" + psObject;
}

或者使用string.Join

string str = String.Join("\n", output);