主题：1.发布后的软件提示已运行；2.循环播放录音文件

1、beforeOpenProject事件

static mu As object
Dim sucess As Boolean = False
mu = new System.Threading.Mutex(True, "dsdfhdfghf", sucess)
If not sucess Then
    MessageBox.Show("程序已经在运行,不能重复打开!", "提示",MessageBoxButtons.Ok,MessageBoxIcon.Warning,0, Windows.forms.MessageBoxOptions.ServiceNotification)
    e.Cancel = True
End If