Win32API Cant open DialogBox using button click

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

int main()
{
    BROWSEINFO bInfo;
    LPITEMIDLIST pidl;
    char pszBuffer[MAX_PATH];

    bInfo.hwndOwner = NULL;
    bInfo.pidlRoot         =   NULL;
    bInfo.pszDisplayName   =   pszBuffer;
    bInfo.lpszTitle        =   "Select a Directory";
    bInfo.ulFlags          =   BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS;
    bInfo.lpfn             =   NULL;
    bInfo.lParam           =   0;

    if(pidl = SHBrowseForFolder(&bInfo))
    {
        // Copy the path directory to the buffer
        if(SHGetPathFromIDList(pidl,pszBuffer))
        {
            // pszBuffer now holds the directory path
            printf(("You selected the directory: %s\n"),pszBuffer);
        }
        else
            printf("Selected item not a folder\n");
    }
    else
        printf("User cancelled OR failure with: SHBrowseForFolder(&bInfo);");

    return 0;
}