pwrmgr.cpp

来自「开启和关闭Mobile手机WIFI的源代码工程例子」· C++ 代码 · 共 29 行

//实现部分的电源功能

#include "pwrmgr.h"

typedef DWORD  (__stdcall *DevicePowerNotifyProc)(PVOID,CEDEVICE_POWER_STATE,DWORD);
typedef DWORD (__stdcall *SetDevicePowerProc)(PVOID,DWORD,CEDEVICE_POWER_STATE);

DWORD DevicePowerNotify(PVOID pvDevice,CEDEVICE_POWER_STATE DeviceState,DWORD Flags)
{
	HINSTANCE hCoreDll = LoadLibrary(_T("coredll.dll"));
	DevicePowerNotifyProc procSet = 
		(DevicePowerNotifyProc)GetProcAddress(hCoreDll, _T("DevicePowerNotify"));
	DWORD dwResult = procSet(pvDevice,DeviceState,Flags);
	::FreeLibrary(hCoreDll);

	return dwResult;
}

DWORD SetDevicePower(PVOID pvDevice,DWORD dwDeviceFlags,CEDEVICE_POWER_STATE dwState)
{
	HINSTANCE hCoreDll = LoadLibrary(_T("coredll.dll"));
	SetDevicePowerProc procSet = 
		(SetDevicePowerProc)GetProcAddress(hCoreDll, _T("SetDevicePower"));
	DWORD dwResult = procSet(pvDevice,dwDeviceFlags,dwState);
	::FreeLibrary(hCoreDll);

	return dwResult;
}