将 powershell 变量值返回给 C# 应用程序 [英] Return powershell variable value to c# application

问题描述

我正在从 c# 运行 powershell 脚本.

I am running powershell script from c#.

string scriptPath = "/script/myscript.ps1";
Runspace runspace = RunspaceFactory.CreateRunspace();
runspace.Open();
Pipeline pipeline = runspace.CreatePipeline();
pipeline.Commands.AddScript(scriptPath);
Collection<PSObject> results = pipeline.Invoke(); 

例如，如果我的 myscript.ps1 文件在下面；

for example if my myscript.ps1 file below;

$test=4
$test++
$test

执行脚本后如何获取变量test的值.我需要为我的 c# 程序获取该值.

How to get the variable test value after executing the script. I need to get that value to my c# program.

推荐答案

我知道我迟到了，但是在你的脚本中，你需要在你想要的变量前面添加 global:在 Powershell 脚本中返回，例如:

I know I am late to this, but in your script, you need to add global: in front of the variable you want to return in the Powershell script, so for example:

$global:test = 4

在 Powershell 脚本中.在 C# 中打开运行空间后，调用策略更改器，设置管道，就可以了

in Powershell script. In C# after you open the runspace, invoke the policy changer, set up the pipline, you do

var result = runspace.SessionStateProxy.PSVariable.GetValue("test");

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