static extern bool GetCurrentPowerPolicies(out GLOBAL_POWER_POLICY pGlobalPowerPolicy,

GLOBAL_POWER_POLICY gpp = new GLOBAL_POWER_POLICY();

static extern bool ReadGlobalPwrPolicy(out GLOBAL_POWER_POLICY pGlobalPowerPolicy);

<DllImport("powrprof.dll", SetLastError:=True)> Private Shared Function ReadGlobalPwrPolicy(ByRef pGlobalPowerPolicy As GLOBAL_POWER_POLICY) As Boolean

Declare Function ReadGlobalPwrPolicy Lib "powrprof" (ByRef pGlobalPowerPolicy As GLOBAL_POWER_POLICY) As Boolean

GLOBAL_POWER_POLICY

static extern bool WriteGlobalPwrPolicy(ref GLOBAL_POWER_POLICY pGlobalPowerPolicy);

<DllImport("powrprof.dll", SetLastError:=True)> Private Shared Function WriteGlobalPwrPolicy(ByRef pGlobalPowerPolicy As GLOBAL_POWER_POLICY) As Boolean

Declare Function WriteGlobalPwrPolicy Lib "powrprof" (ByRef pGlobalPowerPolicy As GLOBAL_POWER_POLICY) As Boolean

GLOBAL_POWER_POLICY

struct GLOBAL_POWER_POLICY

Structure GLOBAL_POWER_POLICY