我有一个管理器类,它使用 ShowDialog 函数启动一个表单。现在,我正在启动一个事件(如计时器),并希望经理在计时器到期时关闭表单。
我使用了 2 个类:
namespace ConsoleApplication3
{
class Manager
{
Timer UpdTimer = null;
readonly int REFRESH_STATUS_TIME_INTERVAL = 5000;
Form1 form1;
public Manager()
{
}
public void ManageTheForms()
{
UpdTimer = new Timer(REFRESH_STATUS_TIME_INTERVAL);
// start updating timer
//UpdTimer.Interval = REFRESH_STATUS_TIME_INTERVAL;
UpdTimer.Elapsed += new ElapsedEventHandler(PriorityUpdTimer_Elapsed);
UpdTimer.Start();
form1 = new Form1();
form1.ShowDialog();
}
public void PriorityUpdTimer_Elapsed(object source, ElapsedEventArgs e)
{
UpdTimer = null;
form1.closeFormFromAnotherThread();
}
}
}
Form1类:
namespace ConsoleApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
}
delegate void CloseFormFromAnotherThread();
public void closeFormFromAnotherThread()
{
if (this.InvokeRequired)
{
CloseFormFromAnotherThread del = new CloseFormFromAnotherThread(closeFormFromAnotherThread);
this.Invoke(del, new object[] { });
}
else
{
this.Close();
}
}
}
}