SYSTEM_POWER_STATUS_EX (Windows CE 5.0)

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This structure contains information about the power status of the system.

typedef struct _SYSTEM_POWER_STATUS_EX {BYTE ACLineStatus;BYTE BatteryFlag;BYTE BatteryLifePercent;BYTE Reserved1;DWORD BatteryLifeTime;DWORD BatteryFullLifeTime;BYTE Reserved2;BYTE BackupBatteryFlag;BYTE BackupBatteryLifePercent;BYTE Reserved3;DWORD BackupBatteryLifeTime;DWORD BackupBatteryFullLifeTime;} SYSTEM_POWER_STATUS_EX, *PSYSTEM_POWER_STATUS_EX,*LPSYSTEM_POWER_STATUS_EX;

Members

• ACLineStatus
  AC power status. It is one of the following values.

  Value	Description
  AC_LINE_OFFLINE	Offline
  AC_LINE_ONLINE	Online
  AC_LINE_BACKUP_POWER	Backup Power
  AC_LINE_UNKNOWN	Unknown status

  All other values are reserved.

• BatteryFlag
  Battery charge status. It can be a combination of the following values:

  Value	Description
  BATTERY_FLAG_HIGH	High
  BATTERY_FLAG_LOW	Low
  BATTERY_FLAG_CRITICAL	Critical
  BATTERY_FLAG_CHARGING	Charging
  BATTERY_FLAG_NO_BATTERY	No system battery
  BATTERY_FLAG_UNKNOWN	Unknown status

• BatteryLifePercent
  Percentage of full battery charge remaining. This member can be a value in the range 0 to 100, or BATTERY_FLAG_UNKNOWN if status is unknown. All other values are reserved.

• Reserved1
  Reserved; set to zero.

• BatteryLifeTime
  Number of seconds of battery life remaining, or BATTERY_FLAG_UNKNOWN if remaining seconds are unknown.

• BatteryFullLifeTime
  Number of seconds of battery life when at full charge, or BATTERY_FLAG_UNKNOWN if full lifetime is unknown.

• Reserved2
  Reserved; set to zero.

• BackupBatteryFlag
  Backup battery charge status. It can be a combination of the following values:

  • BATTERY_FLAG_HIGH
  • BATTERY_FLAG_CRITICAL
  • BATTERY_FLAG_CHARGING
  • BATTERY_FLAG_NO_BATTERY
  • BATTERY_FLAG_UNKNOWN
  • BATTERY_FLAG_LOW

• BackupBatteryLifePercent
  Percentage of full backup battery charge remaining. Must be in the range 0 to 100, or BATTERY_PERCENTAGE_UNKNOWN.

• Reserved3
  Reserved; set to zero

• BackupBatteryLifeTime
  Number of seconds of backup battery life remaining, or BATTERY_LIFE_UNKNOWN if remaining seconds are unknown.

• BackupBatteryFullLifeTime
  Number of seconds of backup battery life when at full charge, or BATTERY_LIFE_UNKNOWN if full lifetime is unknown.

Remarks

Returning BATTERY_FLAG_NO_BATTERY can cause a low power battery alert to appear. If no backup battery is present, the low power alert can be avoided by returning BATTERY_FLAG_UNKNOWN.

Requirements

OS Versions: Windows CE 1.0 and later.
Header: Winbase.h.

See Also

IOCTL_BATTERY_GETSYSTEMPOWERSTATUSEX | CeGetSystemPowerStatusEx (RAPI) | GetSystemPowerStatusEx | System Information Structures

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