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[DllImport("advapi32.dll", CallingConvention=CallingConvention.Winapi,
SetLastError=true, CharSet=CharSet.Auto)]
public static extern bool LookupPrivilegeName(
string lpSystemName,
[In]ref LUID lpLuid,
[Out] char[] lpName,
ref int cbName);
[DllImport("advapi32.dll", CallingConvention=CallingConvention.Winapi,
SetLastError=true, CharSet=CharSet.Auto)]
public static extern bool LookupPrivilegeValue(string lpSystemName,
string lpName, out LUID Luid);
[StructLayout(LayoutKind.Sequential)]
public struct LUID
{
public int LowPart;
public int HighPart;
}
private class Luid
{
private readonly LUID _luid;
public Luid(LUID luid)
{
_luid = luid;
}
/*public UInt64 Value
{
get
{
return (((UInt64)(_luid.HighPart)) << 32) | ((UInt64)_luid.LowPart);
}
}*/
internal LUID GetNativeLUID()
{
return _luid;
}
}
[StructLayout(LayoutKind.Sequential)]
public struct LUID_AND_ATTRIBUTES
{
public LUID Luid;
public int Attributes;
}
[StructLayout(LayoutKind.Sequential)]
public struct TOKEN_PRIVILEGES
{
public const int Size = 1;
public int PrivilegeCount;
public LUID_AND_ATTRIBUTES Privileges;
}
[DllImport("advapi32.dll", CallingConvention=CallingConvention.Winapi,
SetLastError=true, CharSet=CharSet.Auto)]
public static extern bool AdjustTokenPrivileges(
IntPtr TokenHandle,
bool DisableAllPrivileges,
ref TOKEN_PRIVILEGES NewState,
int BufferLength,
IntPtr PreviousState,
out int ReturnLength);
Public ErrMsg As String
Private Flag As Integer = 8
Function ShutdownPC(ByVal PC_Name As String, ByVal forced As Boolean) As Boolean
Dim wmi As ManagementClass
Dim objs As ManagementObjectCollection
Dim obj As ManagementObject
Dim Result As Integer
If forced = True Then
Flag += 4
End If
Try
wmi = New ManagementClass("\\" & PC_Name & "\root\cimv2:Win32_OperatingSystem")
objs = wmi.GetInstances()
For Each obj In objs
' Get an input parameters object for this method
Dim inParams As ManagementBaseObject = obj.GetMethodParameters("Win32Shutdown")
' fill 'em in
inParams("Flags") = Flag
inParams("Reserved") = 0
' do it!
Dim outParams As ManagementBaseObject = obj.InvokeMethod("Win32Shutdown", inParams, Nothing)
Result = Convert.ToInt32(outParams("returnValue"))
If Result <> 0 Then
ErrMsg = ErrorToString(Result)
Return False
End If
Exit For
Next
Catch ex As Exception
ErrMsg = ex.Message
Return False
End Try
Return True
End Function
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