OnNow / ACPI

[This is preliminary documentation and subject to change.]

These are guidelines that relate to providing consistent, up-to-date support for automatic hardware configuration and power-management on Microsoft® Windows®:

• Handle system Sleep-Wake transitions properly. (Required)
• Eliminate even minor memory leaks. (Recommended)
• Process Sleep or Query messages silently. (Recommended)
• Pause play and sound on receiving a Sleep message in a game. (Recommended)
• Call SetThreadExecutionState in event-handling applications. (Best Practice)
• Call SetThreadExecutionState in presentation applications. (Best Practice)
• Curtail background activities when running on batteries. (Best Practice)
• Take no action on receiving a …RESUMEAUTOMATIC message. (Best Practice)