How to Soft Reset Windows Mobile 5.0 ?

DllImport("Coredll.dll")]
extern static int KernelIoControl(int dwIoControlCode,
IntPtr lpInBuf,
int nInBufSize,
IntPtr lpOutBuf,
int nOutBufSize,
ref int lpBytesReturned);
[DllImport("Coredll.dll")]
extern static void SetCleanRebootFlag();
public static void ResetDevice(bool l_Is_HardReset)
{
int IOCTL_HAL_REBOOT = 0x101003C;
int bytesReturned = 0;
if (l_Is_HardReset == true)
{
SetCleanRebootFlag();
}
KernelIoControl(IOCTL_HAL_REBOOT, IntPtr.Zero, 0, IntPtr.Zero, 0, ref bytesReturned);
}