MFC UNICODE下，获取文件信息是乱码？请教为什么

MFC UNICODE下，获取文件信息是乱码？请问为什么？
VerQueryValue(pBuf, TEXT("\\StringFileInfo\\080404b0\\FileDescription"), &lpBuffer, &uLen); 


lpBuffer输出内容为乱码？为什么啊？
------解决思路----------------------
lpBuffer什么类型，他也要是宽字符版本的
------解决思路----------------------
仅供参考：

#pragma comment(lib,"version")

#include <windows.h>

#include <stdio.h>

void HexDump(char *buf,int len,int addr) {

    int i,j,k;

    char binstr[80];


    len=(int)(*(WORD *)buf);

    printf("0x%08X bytes:\n",len);

    for (i=0;i<len;i++) {

        if (0==(i%16)) {

            sprintf(binstr,"%08x -",i+addr);

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

        } else if (15==(i%16)) {

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

            sprintf(binstr,"%s  ",binstr);

            for (j=i-15;j<=i;j+=2) {

                sprintf(binstr,"%s%C",binstr,(buf[j]<=0x20&&buf[j+1]==0)?L'.':*(wchar_t *)&buf[j]);

            }

            printf("%s\n",binstr);

        } else {

            sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);

        }

    }

    if (0!=(i%16)) {

        k=16-(i%16);

        for (j=0;j<k;j++) {

            sprintf(binstr,"%s   ",binstr);

        }

        sprintf(binstr,"%s  ",binstr);

        k=16-k;

        for (j=i-k;j<i;j+=2) {

            sprintf(binstr,"%s%C",binstr,(buf[j]<=0x20&&buf[j+1]==0)?L'.':*(wchar_t *)&buf[j]);

        }

        printf("%s\n",binstr);

    }

}

int main(int argc,char **argv) {

    DWORD             dwVerHnd;

    DWORD             dwVerInfoSize;

    VS_FIXEDFILEINFO *pFileInfo;

    LPVOID            lpvMem;

    HANDLE            hMem;

    unsigned int      uInfoSize;

    WORD              m_nProdVersion[4];


    if (argc<2) {

        printf("Usage: %s fullpathfilename.ext [dumpall]\n",argv[0]);

        return 1;

    }

    dwVerInfoSize = GetFileVersionInfoSize(argv[1], &dwVerHnd);

    if (dwVerInfoSize) {

            hMem = GlobalAlloc(GMEM_MOVEABLE, dwVerInfoSize);

            lpvMem = GlobalLock(hMem);

            GetFileVersionInfo(argv[1], dwVerHnd, dwVerInfoSize, lpvMem);

            VerQueryValue(lpvMem,"\\",(void**)&pFileInfo, &uInfoSize);

            m_nProdVersion[0]=HIWORD(pFileInfo->dwProductVersionMS);

            m_nProdVersion[1]=LOWORD(pFileInfo->dwProductVersionMS);

            m_nProdVersion[2]=HIWORD(pFileInfo->dwProductVersionLS);

            m_nProdVersion[3]=LOWORD(pFileInfo->dwProductVersionLS);

            printf("The file [%s]'s version: %d.%d.%d.%d\n",argv[1],

                m_nProdVersion[0],

                m_nProdVersion[1],

                m_nProdVersion[2],

                m_nProdVersion[3]);

            if (argc>2) {//dumpall

                HexDump((char *)lpvMem,dwVerInfoSize,0);

            }

            GlobalUnlock(hMem);

            GlobalFree(hMem);

    } else {

        printf("Can not GetFileVersionInfoSize(%s,...)!\n",argv[1]);

    }

    return 0;

}