func (mi *monitorInternal) getDefaultMonitor() {
mi.handle = C.MonitorFromRect(nil, C.MONITOR_DEFAULTTOPRIMARY)
info := (*C.MONITORINFO)(unsafe.Pointer(&mi.info))
info.cbSize = C.MONITORINFOEXW_size
C.__GetMonitorInfoW(mi.handle, &mi.info)
}
func (mi *monitorInternal) isValid() bool {
if mi.handle == nil {
return false
}
info := (*C.MONITORINFO)(unsafe.Pointer(&mi.info))
info.cbSize = C.MONITORINFOEXW_size
return C.__GetMonitorInfoW(mi.handle, &mi.info) != 0
}