如何启动低优先级的进程?C# [英] How do I launch a process with low priority? C#

问题描述

我想执行一个命令行工具来处理数据.它不需要阻塞.我希望它是低优先级的.所以我写了下面的

I want to execute a command line tool to process data. It does not need to be blocking. I want it to be low priority. So I wrote the below

 Process app = new Process();
 app.StartInfo.FileName = @"bin\convert.exe";
 app.StartInfo.Arguments = TheArgs;
 app.PriorityClass = ProcessPriorityClass.BelowNormal;
 app.Start();

但是，我收到一个 System.InvalidOperationException 消息没有进程与此对象关联."为什么?如何以低优先级正确启动此应用?

However, I get a System.InvalidOperationException with the message "No process is associated with this object." Why? How do I properly launch this app in low priority?

没有该行 app.PriorityClass = ProcessPriorityClass.BelowNormal; 应用程序运行良好.

Without the line app.PriorityClass = ProcessPriorityClass.BelowNormal; the app runs fine.

推荐答案

尝试在开始流程后设置 PriorityClass.任务管理器以这种方式工作，允许您为已经运行的进程设置优先级.

Try setting the PriorityClass AFTER you start the process. Task Manager works this way, allowing you to set priority on a process that is already running.

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