add

WinDevice/Utils/SysInfoUtil.cpp

@@ -264,6 +264,29 @@ int SysInfoUtil::GetInfoByEnumDisplayDevices()
     return 0;
 }
 
+void SysInfoUtil::GetInfoByEnumDisplayDevicesA()
+{
+    DISPLAY_DEVICEA dd;
+    DEVMODEA dm;
+    for (int i = 0;; i++) {
+        ZeroMemory(&dd, sizeof(dd));
+        dd.cb = sizeof(dd);
+        BOOL ret = (EnumDisplayDevicesA(NULL, i, &dd, 0));
+        if (ret == FALSE)
+            break;
+        ZeroMemory(&dm, sizeof(dm));
+        dm.dmSize = sizeof(dm);
+        if (EnumDisplaySettingsA(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm)) {
+            std::cout << "Device #" << i << " Information:" << std::endl;
+            std::cout << "Device Name: " << dd.DeviceName << std::endl;
+            std::cout << "Device String: " << dd.DeviceString << std::endl;
+            std::cout << "State: " << (dd.StateFlags & DISPLAY_DEVICE_ACTIVE ? "Active" : "Inactive") << std::endl;
+            std::cout << "Device ID: " << dd.DeviceID << std::endl;
+            std::cout << "Device Key: " << dd.DeviceKey << std::endl;
+            std::cout << std::endl;
+        }
+    }
+}
 void SysInfoUtil::GetInfoByEnumDisplayMonitors()
 {
     wcout << "=====GetInfoByEnumDisplayMonitors start=====" << endl;