SYSTEM_POWER_STATUS
The SYSTEM_POWER_STATUS
structure contains information about the power status of the system.
typedef struct _SYSTEM_POWER_STATUS {
BYTE ACLineStatus;
BYTE
BatteryFlag;
BYTE
BatteryLifePercent;
BYTE
Reserved1;
DWORD
BatteryLifeTime;
DWORD
BatteryFullLifeTime;
} SYSTEM_POWER_STATUS;
typedef struct SYSTEM_POWER_STATUS *LPSYSTEM_POWER_STATUS;
Members
ACLineStatus
AC power
status. This parameter can be one of the following values:
Value |
Meaning |
0 |
Offline |
1 |
Online |
255 |
Unknown
status. |
All other
values are reserved.
BatteryFlag
Battery
charge status. This parameter can be a combination of the following values:
Value |
Meaning |
1 |
High |
2 |
Low |
4 |
Critical |
8 |
Charging |
128 |
No system
battery |
255 |
Unknown
status |
All other
values are reserved.
BatteryLifePercent
Percentage of
full battery charge remaining. This member can be a value in the range 0 to
100, or 255 if status is unknown. All other values are reserved.
Reserved1
Reserved;
must be zero.
BatteryLifeTime
Number of
seconds of battery life remaining, or 0xFFFFFFFF if remaining seconds are
unknown.
BatteryFullLifeTime
Number of
seconds of battery life when at full charge, or 0xFFFFFFFF if full lifetime is
unknown.
Remarks
Windows 95 is
only capable of estimating BatteryFullTime based on calculations on BatteryLifeTime
and BatteryLifePercent. Without smart battery subsystems, this value may
not be accurate enough to be useful.