C＃设置加载并保存

Question

我试图用这段代码加载并保存设置，但是当我关闭并重新运行程序时，设置未加载。默认情况下，设置为空。我没有错误。

private void Form1_Load(object sender, EventArgs e) 
{ 
     txtUsername.Text = Properties.Settings.Default.Username; 
     txtPassword.Text = Properties.Settings.Default.Password; 
} 

private void Form1_FormClosing(object sender, FormClosingEventArgs e) 
{ 
     Properties.Settings.Default.Username = txtUsername.Text; 
     Properties.Settings.Default.Password = txtPassword.Text; 
} 

Answer 1

尝试

private void Form1_FormClosing(object sender, FormClosingEventArgs e) 
{ 
    Properties.Settings.Default.Username = txtUsername.Text; 
    Properties.Settings.Default.Password = txtPassword.Text; 
    Properties.Settings.Default.Save(); 
} 

Answer 2

How To: Write User Settings at Run Time with C# 如果你想坚持的更改应用程序会话之间的设置，调用Save方法，如下图所示：;

Properties.Settings.Default.Save(); 

你需要在Form1_FormClosing