title: how can i set the value of Minimum (Maximum) Processor state
body: <p>Under Win7, open Control Panel -> Power Options -> Advanced Settings->Processor power management.</p>
  
  <p>you can see Minimum Processor state, Maximum Processor state.
  I have get the value by powercfg command using C#.
  Now,I want to set the value of Processor state by C#.
  For example the old value is 5%,execute the programe,update the value to 10%.
  I have search the powercfg help document,there are no such command to do this.</p>
  
  <p>How can I achieve this?</p>