[問題] Mutex在Release Build失效
請教高手：
以下代碼在Debug Build是可行的，但在Release Build下Mutex無效，
第二個instance仍然會產生是什麼原因?
static class Program
{
[STAThread]
static void Main()
{
bool flag = false;
System.Threading.Mutex mutex = new System.Threading.Mutex(true,
"My_Mutex", out flag);
if (flag)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
else
{
MessageBox.Show("Only one instance allowed to run at a time",
"Error !", MessageBoxButtons.OK, MessageBoxIcon.Warning);
System.Threading.Thread.Sleep(5000);
Environment.Exit(1);
}
}
}
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