c# - 防止 Windows 关闭

Question

我正在使用 windows 窗体，如果用户试图关闭 windows 或试图在进程完成之前关闭应用程序(用户忘记完成process)，如果用户按下 OK 我想停止关闭窗口并让用户完成该过程，我确实在网上找到了一些代码来这样做，但它是在 VB 中而不是在 c# 中

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
    if (e.CloseReason.Equals(CloseReason.WindowsShutDown))
    {
        Microsoft.VisualBasic.Interaction.Shell("shutdown -a", AppWinStyle.MinimizedFocus, false, -1);
        MessageBox.Show("Shutdown process cancelled!");
    }
}

Answer 1

最好改用这段代码片段，根据您的要求使用 e.Cancel:

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
    if (e.CloseReason.Equals(CloseReason.WindowsShutDown))
    {
       if (MessageBox.Show("You are closing this app.\n\nAre you sure you wish to exit ?", "Warning: Not Submitted", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Stop) == DialogResult.Yes)
           return;    
       else    
           e.Cancel = true;
    }
}

引用:SystemEvents.SessionEnding Event

Occurs when the user is trying to log off or shut down the system.