C language calls the file browser to realize the effect of selecting files

c A program written in a language , Want to call the file browser of the system , Realize the effect of selecting files , You can use the following code

#include <ShlObj.h> 
#include <windows.h> 
  TCHAR szPathName[MAX_PATH];
    BROWSEINFO bInfo = {
     0 };
    bInfo.hwndOwner = GetForegroundWindow();// The parent window 
    bInfo.lpszTitle = TEXT(" Browse folders ");
    //bInfo.pidlRoot=CSIDL_DRIVES;
    bInfo.ulFlags = BIF_BROWSEINCLUDEFILES |BIF_EDITBOX/*| BIF_USENEWUI/* Contains an edit box   Users can fill in the path manually   The dialog box can be resized and so on ..*/ |
        BIF_UAHINT/* belt TIPS Tips */ | BIF_NONEWFOLDERBUTTON/* Without the new folder button */;
    LPITEMIDLIST lpDlist;
    lpDlist = SHBrowseForFolder(&bInfo);
    if (lpDlist != NULL)
    {
    
      SHGetPathFromIDList(lpDlist,szPathName);
       MessageBox(NULL, szPathName, L"Dir Name", MB_OK);
   // printf("%s",bInfo.pszDisplayName);

    }
    else
    {
    
        printf("user cancle\n");
    }

Which USES BROWSEINFO structure

●BROWSEINFO Structure definition

typedef struct_browseinfo
{
    undefined
HWND hwndOwner;
LPCITEMIDLIST pidlRoot;
LPSTR pszDisplayName;
LPCSTR lpszTitle;
UINT ulFlags;
BFFCALLBACK lpfn;
LPARAM lParam;
int iImage;
}BROWSEINFO,*PBROWSEINFO,*LPBROWSEINFO;

● BROWSEINFO Structure member variables

hwndOwner： Browse folder dialog parent Form handle .
pidlRoot：ITEMIDLIST Address of structure , Contains the initial root directory when browsing , And only the specified directory and its subdirectories are displayed in the Browse Folder dialog box . The Member variables can be NULL, At this time, the desktop directory will be used .
pszDisplayName： The memory address used to save the directory string selected by the user . The size of the buffer is defined by default MAX_PATH Constant macros .
lpszTitle： The displayed text of the Browse Folder dialog , Functions used to prompt the Browse Folder dialog 、 Role and purpose .
ulFlags： This flag bit describes the options of the dialog . It can be 0, It can also be the following Any combination of constants ：
BIF_BROWSEFORCOMPUTER： Return computer name . Unless the user selects a computer name in the browser , Otherwise “OK” The button is gray .
BIF_BROWSEFORPRINTER： Return the printer name . Unless you select a printer name , otherwise “OK” The button is gray .
BIF_BROWSEINCLUDEFILES： The browser will display the directory , It also shows the file .
BIF_DONTGOBELOWDOMAIN： In the tree window , Does not include the network directory structure under the domain name .
BIF_EDITBOX： The browse dialog box contains an edit box , In this edit box, the user can enter the name of the selected item .
BIF_RETURNFSANCESTORS： Return to a node of the file system . Only when the selected node is a meaningful node ,“OK” Button can be used .
BIF_RETURNONLYFSDIRS： Just return the directory of the file system . for example ： In the Browse Folder dialog , When any directory is selected , The “OK” Button available , And when selected “ My computer ” or “ Online neighbors ” When waiting for non meaningful nodes ,“OK” The button is gray .
BIF_STATUSTEXT： Include a status area in the dialog . Send a message to the dialog box to make The callback function sets the status text .
BIF_VALIDATE： When there is no BIF_EDITBOX When the flag bit , This flag bit is ignored . If the name entered by the user in the edit box is illegal , The browse dialog will send BFFM_VALIDATEFAILED Message to callback function .
lpfn： Application defined browse dialog The address of the callback function . When the event in the dialog box occurs , The dialog will call Callback function . This parameter can be used as NULL.
lParam： The dialog box is passed to A parameter of the callback function The pointer .
iImage： Images related to the selected directory . The image will be specified as the index value in the system image list .