EnumPwrSchemes is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. Applications written for Windows Vista and later should use PowerEnumerate instead.

static extern uint PowerEnumerate(IntPtr RootPowerKey,

Declare Function PowerEnumerate Lib "powrprof.dll" (RootPowerKey As IntPtr,

     ReturnCode = PowerEnumerate(IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, PowerDataAccessor.ACCESS_SCHEME, Index, ReadBuffer, ref BufferSize);