winform 中點擊"X"彈出提示是否關(guān)閉（退出整個應(yīng)用程序代碼）：
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (e.CloseReason != CloseReason.ApplicationExitCall)
{
DialogResult re = MessageBox.Show("確定要退出嗎?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (re == DialogResult.Yes)
{
e.Cancel = false;
Application.Exit();
}
else
{
e.Cancel = true;
}
}
}
