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authorMitja Felicijan <mitja.felicijan@gmail.com>2024-02-23 10:35:22 +0100
committerMitja Felicijan <mitja.felicijan@gmail.com>2024-02-23 10:35:22 +0100
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1---
2title: Execute not blocking async shell command in C#
3permalink: /non-blocking-shell-exec-csharp.html
4date: 2023-05-22T12:00:00+02:00
5layout: post
6type: note
7draft: false
8tags: [csharp]
9---
10
11Execute a shell command in async in C# while not blocking the UI thread.
12
13```c#
14private async Task executeCopyCommand()
15{
16 await Task.Run(() =>
17 {
18 var processStartInfo = new ProcessStartInfo("cmd", "/c dir")
19 {
20 RedirectStandardOutput = true,
21 UseShellExecute = false,
22 CreateNoWindow = true
23 };
24
25 var process = new Process
26 {
27 StartInfo = processStartInfo
28 };
29
30 process.Start();
31 process.WaitForExit();
32 });
33}
34```
35
36Make sure that `async` is present in the function definition and `await` is used
37in the method that calls `executeCopyCommand()`.
38
39```c#
40private async void button_Click(object sender, EventArgs e)
41{
42 await executeCopyCommand();
43}
44```
45