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Visual Studio 2012 - Remote shutdown command not working

Posted on 2014-04-14
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Last Modified: 2014-04-15
I am putting together some code to shutdown or restart a remote PC but it just wont work!

Imports System.Net.NetworkInformation
Imports System.Net
Imports System.Threading
Imports System.Text
Imports System.Diagnostics

Public Class Shutdown

    Private _isNull As Object


    Private Sub Shutdown_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        txtPCName.Text = Main.txtHostName.Text()
    End Sub

    Private Sub txtPCName_TextChanged(sender As Object, e As EventArgs) Handles txtPCName.TextChanged

    End Sub

    Private Sub btnShutdown_Click(sender As Object, e As EventArgs) Handles btnShutdown.Click

        Dim result = MessageBox.Show("The computer " & txtPCName.Text & "  will be shut down, are you sure you want to do this?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation)
        If DialogResult = Windows.Forms.DialogResult.Yes Then
            System.Diagnostics.Process.Start("C:\Windows\System32\shutdown.exe", " /m \\" & txtPCName.Text & " /s /t 10 /d p:0:0")
            Dim result2 = MessageBox.Show("The shutdown command has been sent to " & txtPCName.Text & " and it will shutdown in 10 seconds unless you click Cancel...", "Shutdown Command Sent", MessageBoxButtons.OKCancel, MessageBoxIcon.Information)
            If DialogResult = Windows.Forms.DialogResult.Cancel Then
                System.Diagnostics.Process.Start("C:\Windows\System32\shutdown.exe", " /m \\" & txtPCName.Text & " /a")
            Else

            End If
        ElseIf DialogResult = Windows.Forms.DialogResult.No Then
        End If

    End Sub

    Private Sub btnRestart_Click(sender As Object, e As EventArgs) Handles btnRestart.Click
        Dim result = MessageBox.Show("The computer " & txtPCName.Text & " will be restarted, are you sure you want to do this?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation)
        If DialogResult = Windows.Forms.DialogResult.Yes Then
            Process.Start("C:\Windows\System32\shutdown.exe", " /m \\" & txtPCName.Text & " /r /t 10 /d p:0:0")
        ElseIf DialogResult = Windows.Forms.DialogResult.No Then
        End If
    End Sub
End Class

Open in new window


The first message appears with a Yes/No question but then nothing else happens after that and the shutdown command doesnt run.

Can anyone offer some advice?
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Comment
Question by:fruitloopy
2 Comments
 
LVL 18

Accepted Solution

by:
dj_alik earned 2000 total points
ID: 40001279
first of all test from command line, may be you need credentials like username or passowrd
if you can do it from command line, read here:
Shutdown a remote computer connected in LAN in any preferable language
http://stackoverflow.com/questions/685528/shutdown-a-remote-computer-connected-in-lan-in-any-preferable-language
0
 
LVL 2

Author Closing Comment

by:fruitloopy
ID: 40001342
I solved it myself in the end. The problem was caused by the line:
"If Dialogresult = "
When it should have read:
"If Result = "

Here's the full code if anyone needs it...

    Private Sub btnShutdown_Click(sender As Object, e As EventArgs) Handles btnShutdown.Click
        Dim Timer As String
        Timer = ComTime.Text
        Dim result = MessageBox.Show("The computer " & txtPCName.Text & " will be shut down, are you sure you want to do this?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation)
        If result = Windows.Forms.DialogResult.Yes Then
            System.Diagnostics.Process.Start("C:\Windows\System32\shutdown.exe", " /m \\" & txtPCName.Text & " /s /t " & Timer & " /d p:0:0")
            Dim result2 = MessageBox.Show("The shutdown command has been sent to " & txtPCName.Text & " and it will shutdown in " & Timer & " seconds unless you click Cancel...", "Shutdown Command Sent", MessageBoxButtons.OKCancel, MessageBoxIcon.Information)
            If result2 = Windows.Forms.DialogResult.Cancel Then
                System.Diagnostics.Process.Start("C:\Windows\System32\shutdown.exe", " /m \\" & txtPCName.Text & " /a")
            Else

            End If
        ElseIf result = Windows.Forms.DialogResult.No Then
        End If
    End Sub
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