System.IO.IOException: '该进程无法访问该文件，因为它正被另一个进程使用

本文介绍了System.IO.IOException: '该进程无法访问该文件，因为它正被另一个进程使用的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我正在尝试保存我的 txt 文件，但是当我得到标题中的错误时?如果我使用 .CreateNew 我没有收到错误，但我想保存到我拥有的现有文件中?

i'm trying to save my txt file, but when i do i get the error in the title? if i use .CreateNew i dont get the error, but i want to save to the existing file i have?

private void OpenFile_MouseDown(object sender, MouseEventArgs e) { Stream myStream; if (openFileDialog.ShowDialog() == DialogResult.OK) { if ((myStream = openFileDialog.OpenFile()) != null) { string strfilename = openFileDialog.FileName; string filetext = File.ReadAllText(strfilename); richTextBox.Text = filetext; } } } private void savefile_MouseDown(object sender, MouseEventArgs e) { SaveFileDialog saveFileDialog = new SaveFileDialog(); if (saveFileDialog.ShowDialog() == DialogResult.OK) using (Stream s = File.Open(saveFileDialog.FileName, FileMode.Append)) using (StreamWriter sw = new StreamWriter(s)) { sw.Write(richTextBox.Text); } }

推荐答案

你应该配置 myStream 变量.这就是您收到该错误的原因.

You should dispose myStream variable. That's why you are getting that error.