import com.ms.dll.DllLib;
import com.ms.win32.*;

public class EnumDisplaySettings {

public static void main(String args[]) {
 String devicename = "";

 DEVMODE devmode = new DEVMODE() ;
 devmode.dmSize =(short) DllLib.sizeOf(DEVMODE.class);
 int mode=0;

 System.out.println("----------------   Modes of Display Adapter  --------------------------\n") ;
 System.out.println("Current Settings: ") ;
 EnumDisplaySettings(null, win.ENUM_CURRENT_SETTINGS, devmode) ;
 devicename = devmode.dmDeviceName;
    System.out.println("Device Name: " + devicename) ;
    System.out.println(
        "  Width: " + devmode.dmPelsWidth + "   " + "Height: " + devmode.dmPelsHeight + "    " 
       + "Bits/pixel: " + devmode.dmBitsPerPel + "   " + "Frequency: " + devmode.dmDisplayFrequency + "\n\n") ;

 System.out.println("------------ Available Settings --------------------") ;
while (EnumDisplaySettings(null, mode, devmode)) {
  if(! devmode.dmDeviceName.equals(devicename)) {
    devicename = devmode.dmDeviceName ; 
    System.out.println("\nDevice Name: " + devicename) ;
   }
    System.out.println(mode 
      + "  Width: " + devmode.dmPelsWidth + "   " + "Height: " + devmode.dmPelsHeight + "    " 
      + "Bits/pixel: " + devmode.dmBitsPerPel + "   " + "Frequency: " + devmode.dmDisplayFrequency + "\n") ;
 //   System.out.println("Width: " + devmode.dmPelsWidth + "   " + "Height: " + devmode.dmPelsHeight)  ;
 //   System.out.println("Bits per pixel: " + devmode.dmBitsPerPel + "   " + "Frequency: " + devmode.dmDisplayFrequency + "\n")  ;
   mode++;
 }

}

  /** @dll.import("USER32",auto) */
  private static native boolean EnumDisplaySettings(String lpszDeviceName, int iModeNum,  DEVMODE lpDevMode) ;
}


/** @dll.struct(auto) */
class DEVMODE {
        /** @dll.structmap([type=TCHAR[32]]) */
        public String   dmDeviceName;
        public short dmSpecVersion;
        public short dmDriverVersion;
        public short dmSize;
        public short dmDriverExtra;
        public int dmFields;
        public short dmOrientation;
        public short dmPaperSize;
        public short dmPaperLength;
        public short dmPaperWidth;
        public short dmScale;
        public short dmCopies;
        public short dmDefaultSource;
        public short dmPrintQuality;
        public short dmColor;
        public short dmDuplex;
        public short dmYResolution;
        public short dmTTOption;
        public short dmCollate;
        /** @dll.structmap([type=TCHAR[32]]) */
        public String   dmFormName;
        public short dmLogPixels;
        public int dmBitsPerPel;
        public int dmPelsWidth;
        public int dmPelsHeight;
        public int dmDisplayFlags;
        public int dmDisplayFrequency;
        public int dmICMMethod;
        public int dmICMIntent;
        public int dmMediaType;
        public int dmDitherType;
        public int dmICCManufacturer;
        public int dmICCModel;
        public int dmPanningWidth;
        public int dmPanningHeight;
}