string pathDir = Path.GetDirectoryName(Application.LocalUserAppDataPath) + "\\settings";
string settingsFile = "settings.txt";
StreamWriter w;
public Form1()
{
InitializeComponent();
if (!Directory.Exists(Path.Combine(pathDir, settingsFile)))
Directory.CreateDirectory(Path.Combine(pathDir, settingsFile));
settingsFile = Path.Combine(pathDir, settingsFile);
w = new StreamWriter(settingsFile, true);
例外是在线:
w = new StreamWriter(settingsFile, true);
访问路径' C:\ Users \ bout0_000 \ AppData \ Local \ Grads_Scripts \ Grads_Scripts \ settings \ settings.txt'被拒绝
现在我将StreamWriter的实例移动到textBox1_TextChanged事件:
private void textBox1_TextChanged(object sender, EventArgs e)
{
w = new StreamWriter(settingsFile, true);
w.Write(textBox1.Text);
w.Close();
}
我想将textBox1中的文本实时写入文本文件。没有按钮点击确认或实时,但实时。虽然我输入它会将其写入文本文件。但是现在的方式我在文本文件中看到我输入的内容多次相同。
答案 0 :(得分:2)
我看来你正在创建一个名为[...]\Grads_Scripts\settings\settings.txt
的目录,然后尝试将其作为文件写入。转到目录C:\Users\bout0_000\AppData\Local\Grads_Scripts\Grads_Scripts\settings\
,看看是否有名为settings.txt
的文件夹。如果是这样,请将其删除并修改代码以仅创建父目录。
您应该可以按如下方式更改代码:
string pathDir = Path.GetDirectoryName(Application.LocalUserAppDataPath) + "\\settings";
string settingsFile = "settings.txt";
StreamWriter w;
public Form1()
{
InitializeComponent();
// Create the parent directory if it doesn't exist
if (!Directory.Exists(pathDir))
Directory.CreateDirectory(pathDir);
settingsFile = Path.Combine(pathDir, settingsFile);
w = new StreamWriter(settingsFile, true);
}
请记住将StreamWriter
包装在using语句中(或手动调用Dispose
),以便在完成编写后释放文件资源。
using( w = new StreamWriter(settingsFile, true) ){
// Write to stream writer
}