关于shell函数的定时关机

Question

设计了一个Windows form程序，里面包含有3个ComboBox，分别代表时(0~23，ComboBox2)与分(0~59，ComboBox3)，ComboBox1有2项，分别为“关机”和“重新启动”。这段代码如下：

Dim timePoi As String
            timePoi = ComboBox2.Text & ":" & ComboBox3.Text
            If CheckBox1.Checked = True Then
                If ComboBox1.Text = "关机" Then
                    Shell("at " & timePoi & " shutdown -s -f -t 5")
                Else
                    Shell("at " & timePoi & " shutdown -r -f -t 5")
                End If
            Else
                If ComboBox1.Text = "关机" Then
                    Shell("at " & timePoi & " shutdown -s -t 5")
                Else
                    Shell("at " & timePoi & " shutdown -r -t 5")
                End If
            End If

为何在ComboBox2、3设置了时间运行后到了时间却没有运行效果？要如何修改？谢谢！

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胡人

Answer 1

timePoi究竟是什么呢？

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Answer 2

建议使用System.Diagnostics.Process.Start("shutdown", "/s /t 0 /f")，参考这个例子：http://www.codeproject.com/Articles/374194/AutoShut-my-first-program-in-Csharp.

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Shanks Zen
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