利用windows API更改顯示器的解析度和更改雙屏的顯示模式
//更改顯示屏的解析度（windows8）
DEVMODE dmScreenSettings;
memset(&dmScreenSettings,0,sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dmScreenSettings);
dmScreenSettings.dmPelsWidth = 1024;
dmScreenSettings.dmPelsHeight = 768;
ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN);
system("pause");
//上述方法在windows7上不太適用，針對以上做以下更改
//設定螢幕的解析度
DEVMODE dmScreenSettings;
memset(&dmScreenSettings,0,sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
dmScreenSettings.dmBitsPerPel = 32;
dmScreenSettings.dmFields = DM_PELSWIDTH|DM_PELSHEIGHT|DM_BITSPERPEL;
dmScreenSettings.dmPelsWidth = 1440;
dmScreenSettings.dmPelsHeight = 900;
long result = ChangeDisplaySettings(&dmScreenSettings,0);
if (result == DISP_CHANGE_SUCCESSFUL)
{
MessageBox(NULL,TEXT("解析度修改成功！"),TEXT("提示"),MB_ICONEXCLAMATION|MB_OK);
ChangeDisplaySettings(&dmScreenSettings,CDS_UPDATEREGISTRY);
}
else
{
MessageBox(NULL,TEXT("解析度修改失敗"),TEXT("提示"),MB_ICONEXCLAMATION|MB_OK);
ChangeDisplaySettings(NULL,0);
}
//更改螢幕多螢幕的顯示模式
system ("DisplaySwitch.exe /clone"); //螢幕複製
system ("DisplaySwitch.exe /extend"); //螢幕擴充套件
system ("DisplaySwitch.exe /internal");//僅電腦螢幕
system ("DisplaySwitch.exe /external"); //僅第二螢幕