/// <summary>
/// Commits or decommits depending on <value>isReseving</value> the storage required to hold the hibernation image on the boot volume.
/// </summary>
/// <param name="isReseving">A value that indecates if the hibernate file should be removed or reserved.</param>
private static void HandleHibernationFile(bool isReseving)
{
InteropPowerManagment.CallNtPowerInformationForWrite <byte>(PowerInformationLevel.SystemReserveHiberFile, buffer =>
{
Marshal.WriteByte(buffer, Convert.ToByte(isReseving));
});
}
/// <summary>
/// Gets System Power Information by PowerInformation level.
/// </summary>
/// <typeparam name="T">An output buffer type.</typeparam>
/// <param name="powerLevel">Indicates power level information.</param>
/// <returns>The output buffer result.</returns>
private static T GetPowerInformation <T>(PowerInformationLevel powerLevel)
{
T powerInformation = default(T);
InteropPowerManagment.CallNtPowerInformationForRead <SystemBatteryState>(
powerLevel,
buffer => powerInformation = Marshal.PtrToStructure <T>(buffer));
return(powerInformation);
}