private PointerResult HibernateFileAction(HibernateFileAction fileAction)
{
int intSize = _marshal.SizeOf <bool>();
IntPtr pointer = _marshal.AllocateMemory(intSize);
_marshal.WriteBytes(pointer, fileAction);
const int outputBufferSize = 0;
PointerResult result = _powerManagementInterop.CallNtPowerInformation(
informationLevel: PowerInformationLevel.SystemReserveHiberFile,
inputBuffer: pointer,
inputBufSize: intSize,
outputBuffer: IntPtr.Zero,
outputBufferSize: outputBufferSize);
_marshal.ReleasePointer(pointer);
return(result);
}
private void ExecuteHibernateFileAction(HibernateFileAction fileAction)
{
int inputBufferLength = Marshal.SizeOf <bool>();
IntPtr inputBuffer = Marshal.AllocCoTaskMem(inputBufferLength);
Marshal.WriteByte(inputBuffer, (byte)fileAction);
var retval = PowerManagementInteroperation.CallNtPowerInformation(
(int)PowerInformationLevel.SystemReserveHiberFile,
inputBuffer,
inputBufferLength,
IntPtr.Zero,
0);
Marshal.FreeHGlobal(inputBuffer);
if (retval == PowerManagementInteroperation.STATUS_SUCCESS)
{
}
else
{
throw new Win32Exception();
}
}
public void WriteBytes(IntPtr pointer, HibernateFileAction fileActions)
{
TryDo(() => Marshal.WriteByte(ptr: pointer, val: (byte)fileActions));
}