Monitor Default-monitor For Windows 10 X64 Apr 2026

// If change detected, refresh info if (g_bChanged) g_bChanged = FALSE; PrintDefaultMonitorInfo();

// Register a simple window class to receive system messages const char CLASS_NAME[] = "MonitorWatcherClass"; WNDCLASS wc = {}; wc.lpfnWndProc = WndProc; wc.hInstance = GetModuleHandle(NULL); wc.lpszClassName = CLASS_NAME; monitor default-monitor for windows 10 x64

// Initial print PrintDefaultMonitorInfo(); // If change detected, refresh info if (g_bChanged)

return "Unknown";

// Print current default monitor details void PrintDefaultMonitorInfo() dm.dmDisplayOrientation == DMDO_270) orientation = "Portrait"; // If change detected

std::cout << "\n=== Default Monitor Info ===\n"; std::cout << "Name : " << deviceName << "\n"; std::cout << "Resolution : " << width << " x " << height << "\n"; std::cout << "Refresh : " << dm.dmDisplayFrequency << " Hz\n"; std::cout << "Scale : " << std::fixed << std::setprecision(1) << scale << "x (" << dpiX << " DPI)\n"; std::cout << "Orientation: " << orientation << "\n"; std::cout << "Is Primary : Yes (default monitor)\n"; std::cout << "============================\n";