ComDlg32JNA

package nativedialogs;

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.Platform;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.WString;

class ComDlg32JNA {

    public interface ComDlg32 extends Library {

        public static final ComDlg32 INSTANCE = Platform.isWindows()
                ? (ComDlg32) Native.loadLibrary("comdlg32", ComDlg32.class)
                : null;
        //
        // OPENFILENAME flags
        //
        public static int OFN_ALLOWMULTISELECT = 0x00000200;
        public static int OFN_CREATEPROMPT = 0x00002000;
        public static int OFN_DONTADDTORECENT = 0x02000000;
        public static int OFN_ENABLEHOOK = 0x00000020;
        public static int OFN_ENABLEINCLUDENOTIFY = 0x00400000;
        public static int OFN_ENABLESIZING = 0x00800000;
        public static int OFN_ENABLETEMPLATE = 0x00000040;
        public static int OFN_ENABLETEMPLATEHANDLE = 0x00000080;
        public static int OFN_EXPLORER = 0x00080000;
        public static int OFN_EXTENSIONDIFFERENT = 0x00000400;
        public static int OFN_FILEMUSTEXIST = 0x00001000;
        public static int OFN_FORCESHOWHIDDEN = 0x10000000;
        public static int OFN_HIDEREADONLY = 0x00000004;
        public static int OFN_LONGNAMES = 0x00200000;
        public static int OFN_NOCHANGEDIR = 0x00000008;
        public static int OFN_NODEREFERENCELINKS = 0x00100000;
        public static int OFN_NOLONGNAMES = 0x00040000;
        public static int OFN_NONETWORKBUTTON = 0x00020000;
        public static int OFN_NOREADONLYRETURN = 0x00008000;
        public static int OFN_NOTESTFILECREATE = 0x00010000;
        public static int OFN_NOVALIDATE = 0x00000100;
        public static int OFN_OVERWRITEPROMPT = 0x00000002;
        public static int OFN_PATHMUSTEXIST = 0x00000800;
        public static int OFN_READONLY = 0x00000001;
        public static int OFN_SHAREAWARE = 0x00004000;
        public static int OFN_SHOWHELP = 0x00000010;

        public static class OPENFILENAME extends Structure {

            public int lStructSize;
            public Pointer hwndOwner;
            public Pointer hInstance;
            public WString lpstrFilter;
            public WString lpstrCustomFilter;
            public int nMaxCustFilter;
            public int nFilterIndex;
            public Pointer lpstrFile;
            public int nMaxFile;
            public WString lpstrFileTitle;
            public int nMaxFileTitle;
            public WString lpstrInitialDir;
            public WString lpstrTitle;
            public int Flags;
            public short nFileOffset;
            public short nFileExtension;
            public WString lpstrDefExt;
            public Pointer lCustData;
            public Pointer lpfnHook;
            public WString lpTemplateName;
            public Pointer pvReserved;
            public int dwReserved;
            public int FlagsEx;
        }

        boolean GetOpenFileNameW(ComDlg32.OPENFILENAME ofn);

        int CommDlgExtendedError();
    }
}