浏览对话框

EasySL

//代码名称： 浏览对话框
//类别：       控件 公用对话框
//关健字：    对话框 浏览
//作者：       EasySL
//编译器：    VC
//操作系统： windows

#include <windows.h>
#include <tchar.h>
#include <shlobj.h>

char *BrowseBox( HWND hWnd, char *s, int length )
{
    if( length < MAX_PATH )
        return NULL;

    //char processdir[MAX_PATH];
    HWND hwndOwner = hWnd;
    LPCSTR  lpszTitle = "BrowseBox";
    //CString strSelIniDir;
    //CString strDirPathSelected;
    char strSelIniDir[MAX_PATH] = "";
    char strDirPathSelected[MAX_PATH] = "";

    /* Work's only if we're 95 capable or up*/
    BOOL bRe = FALSE;

    LPMALLOC pMalloc;

    BROWSEINFO bi;
    TCHAR pszBuffer[MAX_PATH];

    LPITEMIDLIST pidl = NULL;
    LPITEMIDLIST pidlIni = NULL;

    LPSHELLFOLDER ppshf = NULL;

    OLECHAR szOleChar[MAX_PATH];
    ULONG ulEaten, ulAttribs;

    //if(strSelIniDir.IsEmpty() == FALSE)
    {
        /* Get's the Shell's default allocator */
        if (SHGetMalloc(&pMalloc) != NOERROR)
        {
            goto crash;
        }
        // Get's the Shell's desktop folder Interface
        if(! SUCCEEDED(SHGetDesktopFolder(&ppshf)) )
        {
            goto crash;
        }
        // Conver to UNICODE string
        MultiByteToWideChar(CP_ACP,
            MB_PRECOMPOSED,
            strSelIniDir,
            -1,
            szOleChar,
            sizeof(szOleChar));
        //
        if(! SUCCEEDED(ppshf-&gtarseDisplayName(hwndOwner,NULL,szOleChar,
            &ulEaten,&pidlIni,&ulAttribs)))
            goto crash;
    }

    // Get help on BROWSEINFO struct - it's got all the bit settings
    bi.hwndOwner = hwndOwner;
    bi.pidlRoot = pidlIni;
    bi.pszDisplayName = pszBuffer;
    bi.lpszTitle = lpszTitle;
    bi.ulFlags = BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS
        | BIF_RETURNONLYFSDIRS ;
    bi.lpfn = NULL; bi.lParam = 0;

    // This next call issues the dialog box
    if ((pidl = SHBrowseForFolder(&bi)) != NULL)
    {
        if (SHGetPathFromIDList(pidl, pszBuffer))
        {
            //At this point pszBuffer contains the selected path

            //strDirPathSelected = pszBuffer;
            strcpy( strDirPathSelected, pszBuffer );
            strcpy(s,pszBuffer);
            strcat(s,"\\");
        }

        bRe = TRUE;
    }

    return s;
crash:
    return NULL;
}