QT设置/读取鼠标指针移动速度
修改.pro文件,添加LIBS += -luser32
#include <windows.h> bool SendMouseSpeed() { int iTemp=1; bool bRet=SystemParametersInfo( SPI_SETMOUSESPEED,//SPI_SETMOUSESPEED =113, // system parameter to retrieve or set 0, // depends on action to be taken (void *)iTemp, // depends on action to be taken SPIF_SENDCHANGE | SPIF_UPDATEINIFILE // user profile update option ); if(bRet==FALSE) { DWORD dwError=GetLastError(); qDebug("Error in SystemParametersInfo :%d",dwError); } } int GetMouseSpeed() { int iTemp = 0; SystemParametersInfo(SPI_GETMOUSESPEED, 0, &iTemp, FALSE); return iTemp; }