pwrapi.h

windowce ce device driver

//////////////////////////////////////////////////////////////
//
// PWRAPI.H
//
// Definitions to be included by an application using the
// power on notification driver, PWRDRV.DLL.
//
//////////////////////////////////////////////////////////////


// Power up detected windows message, sent to the application
// by the driver
#define WM_PWR_POWERUP	(WM_USER+0x1000)


// IO control functions to be used in DeviceIoControl calls to
// the driver as the dwIoControlCode parameter.
//
// BOOL DeviceIoControl(
//   HANDLE hDevice,              // handle to a device, file, or directory 
//   DWORD dwIoControlCode,       // control code of operation to perform
//   LPVOID lpInBuffer,           // pointer to buffer to supply input data
//   DWORD nInBufferSize,         // size, in bytes, of input buffer
//   LPVOID lpOutBuffer,          // pointer to buffer to receive output data
//   DWORD nOutBufferSize,        // size, in bytes, of output buffer
//   LPDWORD lpBytesReturned,     // pointer to variable to receive byte count
//   LPOVERLAPPED lpOverlapped)   // pointer to structure for asynchronous operation
//
// Note:
//   These IOCTL defines could be replaced with CTL_CODE macros, if desired.
//
//   Get the current power up detection value.
//     The lpOutBuffer parameter should be of size DWORD and
//     will contain the boolean state of power up detection.
#define IOCTL_PWR_GET_POWERUP_STATE		 	0x00000001
//   Reset the power up detection value.
//     Requires no parameters.
#define IOCTL_PWR_RESET_POWERUP_STATE	 	0x00000002
//   Enable the power up detection messaging.
//     The lpInBuffer parameter should point to the HWND
//     (not contain the HWND itself) for the window to
//     receive the power up messages.
#define IOCTL_PWR_ENABLE_POWERUP_MESSAGE 	0x00000003
//   Disable the power up detection messaging.
//     Requires no parameters.
#define IOCTL_PWR_DISABLE_POWERUP_MESSAGE 	0x00000004