Most developers monitor system state changes using WMI event queries (e.g., SELECT * FROM Win32_PowerManagementEvent ). This involves:
version is more robust for application development as it handles much of the heavy lifting, such as buffer management and interaction with the Windows thread pool, which the raw system call does not provide. version is "Better" Thread Safety RtlQueryWnfStateData is designed to work seamlessly with the Windows Thread Pool , making it safer for multi-threaded applications. Ease of Use
Windows components query the current power state (e.g., battery percentage, power source) via WNF. A tool could call NtQueryWnfStateData on the known WNF name for power status to retrieve it without going through higher-level APIs.
Most developers monitor system state changes using WMI event queries (e.g., SELECT * FROM Win32_PowerManagementEvent ). This involves:
version is more robust for application development as it handles much of the heavy lifting, such as buffer management and interaction with the Windows thread pool, which the raw system call does not provide. version is "Better" Thread Safety RtlQueryWnfStateData is designed to work seamlessly with the Windows Thread Pool , making it safer for multi-threaded applications. Ease of Use
Windows components query the current power state (e.g., battery percentage, power source) via WNF. A tool could call NtQueryWnfStateData on the known WNF name for power status to retrieve it without going through higher-level APIs.