/// <summary>
/// Wraps CallNtPowerInformationForRead method.
/// </summary>
/// <typeparam name="T">An output buffer type.</typeparam>
/// <param name="level">Indicates power level information.</param>
/// <param name="readOutputBuffer">The output buffer result.</param>
public static void CallNtPowerInformationForRead <T>(PowerInformationLevel level, Action <IntPtr> readOutputBuffer)
{
var outputBufferSize = Marshal.SizeOf <T>();
var outputBuffer = Marshal.AllocHGlobal(outputBufferSize);
PowerManagementNative.CallNtPowerInformation((int)level, IntPtr.Zero, 0, outputBuffer,
(uint)outputBufferSize);
readOutputBuffer.Invoke(outputBuffer);
Marshal.FreeHGlobal(outputBuffer);
}
/// <summary>
/// Wraps CallNtPowerInformationForRead method.
/// </summary>
/// <typeparam name="T">An input buffer type.</typeparam>
/// <param name="level">Indicates power level information.</param>
/// <param name="writeInputBuffer">The function that is responsible for marhaling input parametrs.</param>
public static void CallNtPowerInformationForWrite <T>(PowerInformationLevel level, Action <IntPtr> writeInputBuffer)
{
var inputBufferSize = Marshal.SizeOf <T>();
var inputBuffer = Marshal.AllocHGlobal(inputBufferSize);
writeInputBuffer.Invoke(inputBuffer);
PowerManagementNative.CallNtPowerInformation((int)level, inputBuffer,
(uint)inputBufferSize, IntPtr.Zero, 0);
Marshal.FreeHGlobal(inputBuffer);
}