Re: Set the local time

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From: Anders Norås [MCAD] (anders.noras_at_objectware.no)
Date: 12/16/04 

Date: Thu, 16 Dec 2004 01:48:46 +0100

> How can I set the system time using a DateTime object???
You can't set the local time with the DateTime structure, but you can do it
with the SetSystemTime method in kernel32.dll via PInvoke. The SetSystemTime
method accepts a SystemTime structure as its parameter. Populate this
structure with the corresponding members of the DateTime structure.

public class MyClass
{
 public static void Main()
 {
  DateTime dt=DateTime.Now;
  SystemTime st=new SystemTime();
  st.Year=Convert.ToUInt16(dt.Year);
  st.Hour=Convert.ToUInt16(dt.Hour-1);
  SetSystemTime(ref st);
 }

 [DllImport("kernel32.dll")]
 public static extern int SetSystemTime(ref SystemTime systemTime);
}
[StructLayout(LayoutKind.Sequential)]
public struct SystemTime {
 public System.UInt16 Year;
 public System.UInt16 Month;
 public System.UInt16 DayOfWeek;
 public System.UInt16 Day;
 public System.UInt16 Hour;
 public System.UInt16 Minute;
 public System.UInt16 Second;
 public System.UInt16 Millisecond;
}

Anders Norås
http://dotnetjunkies.com/weblog/anoras/

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