public static bool SetProcessPrivilege(string privilege, bool newState, out bool previousState)
{
bool flag = false;
previousState = false;
bool result;
try
{
IntPtr zero = IntPtr.Zero;
NativeMethods.LUID luid = default(NativeMethods.LUID);
luid.LowPart = 0U;
luid.HighPart = 0U;
if (!NativeMethods.OpenProcessToken(NativeMethods.GetCurrentProcess(), TokenAccessLevels.Query | TokenAccessLevels.AdjustPrivileges, ref zero))
{
result = false;
}
else if (!NativeMethods.LookupPrivilegeValue(null, privilege, ref luid))
{
NativeMethods.CloseHandle(zero);
result = false;
}
else
{
NativeMethods.TOKEN_PRIVILEGE token_PRIVILEGE = default(NativeMethods.TOKEN_PRIVILEGE);
NativeMethods.TOKEN_PRIVILEGE token_PRIVILEGE2 = default(NativeMethods.TOKEN_PRIVILEGE);
token_PRIVILEGE.PrivilegeCount = 1U;
token_PRIVILEGE.Privilege.Luid = luid;
token_PRIVILEGE.Privilege.Attributes = (newState ? 2U : 0U);
uint num = 0U;
NativeMethods.AdjustTokenPrivileges(zero, false, ref token_PRIVILEGE, (uint)Marshal.SizeOf(token_PRIVILEGE2), ref token_PRIVILEGE2, ref num);
previousState = ((token_PRIVILEGE2.Privilege.Attributes & 2U) > 0U);
flag = true;
NativeMethods.CloseHandle(zero);
result = flag;
}
}
catch (Exception)
{
result = flag;
}
return(result);
}
private static extern bool AdjustTokenPrivileges([In] IntPtr TokenHandle, [MarshalAs(UnmanagedType.Bool)][In] bool DisableAllPrivileges, [In] ref NativeMethods.TOKEN_PRIVILEGE NewState, [In] uint BufferLength, [In][Out] ref NativeMethods.TOKEN_PRIVILEGE PreviousState, [In][Out] ref uint ReturnLength);