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static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(true);
mutex = new Mutex(true, "hygl");
if (mutex.WaitOne(0, false))
{
ljfwqFrm ljfrm = new ljfwqFrm();
ljfrm.ShowDialog();
if (ljfrm.DialogResult == DialogResult.OK)
{
dlFrm frm1 = new dlFrm();
frm1.ShowDialog();
if (frm1.DialogResult == DialogResult.OK)
{
Application.Run(new zjmFrm());
}
}
}
else
{
MessageBox.Show("程序已经运行!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
Application.Exit();
}
}