// 关闭窗口
private void NetDebugForm_FormClosing(object sender, FormClosingEventArgs e)
{
//MessageBox.Show("本地IP地址输入错误，请重新输入！", "警告");
NetDebugForm netDebugger = NetDebugForm.getInstance();
netDebugger.Hide();
e.Cancel = true;
}
public static NetDebugForm getInstance()
{
lock (padlock)
{
if (instance == null)
{
instance = new NetDebugForm();
}
return(instance);
}
}