C++ code

#pragma once typedef BOOL (CALLBACK*FILESPROC)(LPCTSTR); extern "C" __declspec(dllexport) void EnumFiles(FILESPROC lpEnumFiles,LPCTSTR lpszFileName); int CALLBACK EnumFilesProc (LPCTSTR lpszFileName);

extern "C" __declspec(dllexport) void EnumFiles(FILESPROC lpEnumFiles,LPCTSTR lpszFileName) {

CFileFind file; //If the first file found start finding others BOOL bFind=file.FindFile(lpszFileName,NULL); while (bFind)//If true search... { bFind=file.FindNextFile();

//Call callback function with the found file path lpEnumFiles(file.GetFileName()); } }

java code: import com.sun.jna.Library; import com.sun.jna.Native; import com.sun.jna.win32.StdCallLibrary.StdCallCallback; public interface IListFiles extends Library { IListFiles INSTANCE = (IListFiles) Native.loadLibrary("ListFiles", IListFiles.class); public static interface FILESPROC extends StdCallCallback { public boolean callback(String fname); } public void EnumFiles(FILESPROC lpEnumFiles, String fname); }

public class ListFilesApp { // http://www.codeproject.com/KB/cpp/EnumFiles.aspx IListFiles lib = IListFiles.INSTANCE; int count = 0; boolean flag = true; public ListFilesApp() { lib.EnumFiles(new FILESPROC() { @Override public boolean callback(String fname) { // System.out.println(fname + ">>"); count++; return flag; } }, "c:\\windows\\*.exe"); System.out.println(count); } public static void main(String[] args) { new ListFilesApp(); } } if you have any question, please let me know. Thanks.