windows 音量調整

2021-10-09 09:35:51 字數 2674 閱讀 6173

1.vbs

set ws = createobject("wscript.shell") '


set oargs = wscript.arguments


if oargs(0) = 0 then


ws.sendkeys chr(&h88ad) '靜音非靜音切bai換 


elseif oargs(0) = 1 then


ws.sendkeys chr(&h88ae) '減小音量


elseif oargs(0) = 2 then


ws.sendkeys chr(&h88af) '增大音量88af


elseif oargs(0) = 3 then'音量最大


for i = 1 to 99


ws.sendkeys chr(&h88af) 


next


elseif oargs(0) = 4 then'音量最小


for i = 1 to 100


ws.sendkeys chr(&h88ae) 


next


elseif oargs(0) = 5 then'音量指定


for i = 1 to 100


ws.sendkeys chr(&h88ae) 


next


for i = 1 to oargs(1)/2


ws.sendkeys chr(&h88af) 


next


end if
2.模擬鍵盤

3.c++

//2020/9/12


//windwos 音量調整


//參考:


////


#include "pch.h"


#include #include   "windows.h "  


#include "shellapi.h"


#include "tlhelp32.h"


#include "atlconv.h" 


#include #pragma comment(lib, "userenv.lib")


#include #include //  volume = 0.500; eg


bool wasapi(float  volume, bool isup, bool isdown) 


immdeviceenumerator  *deviceenumerator = null;


hr = cocreateinstance(__uuidof(mmdeviceenumerator), null, clsctx_inproc_server,


__uuidof(immdeviceenumerator), (lpvoid  *)&deviceenumerator);


immdevice  *defaultdevice = null;


hr = deviceenumerator->getdefaultaudioendpoint(erender, econsole, &defaultdevice);


if (failed(hr))


deviceenumerator->release();


deviceenumerator = null;


hr = defaultdevice->activate(__uuidof(iaudioendpointvolume), clsctx_inproc_server, null, reinterpret_cast(&m_endpointvolume));


if (failed(hr))


bool  currentmute;


hr = m_endpointvolume->getmute(¤tmute);


if (failed(hr))


if (currentmute == true)


float  currentvolume;


hr = m_endpointvolume->getmastervolumelevelscalar(¤tvolume); //把主音量的水平標量 


if (failed(hr))


std::cout << "current volume is: %f" << currentvolume << std::endl; 


if (isup)  


hr = m_endpointvolume->setmastervolumelevelscalar(volume, null); 


}	else if (isdown) 


hr = m_endpointvolume->setmastervolumelevelscalar(volume, null); 


}	else 


return true;


}void voicemax() 


void voicemin() 


void voiceup() 


void voicedown() 


void voiceset(int volume) 


else if (volume < 1)


else 


}int main(int argc, char* ar**) else 	if (strstr(ar**[1], "down") != null) 


else 


}	else 


return 1;


}
總結:vbs和模擬鍵盤在桌面互動上可以實現調整系統聲音,c++源**方式可以在系統服務下實現調整系統聲音.

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