New style MFC folder (directory) selection dialog CFolderPickerDialog

tags: VC++ source code example New style select directory or folder

New style select directory or folder style, as shown below:

prompt: This category is only applicable to vista and above windows operating systems. Selecting the directory on the xp system will become the selected file.

Method one [recommended]: use MFC CFolderPickerDialog

void CMCFolderPickerDialogDemoDlg:: OnBnClickedButton1()

{

CFolderPickerDialog c fd( NULL, 0, this, 0);

if (c fd. DoModal() == IDOK)

{

CString strFolder;

strFolder = c fd. GetPathName();

MessageBox( strFolder);

}

Method 2: Use com interface: IFileOpenDialog、IFileSaveDialog

Note: The interface method is invalid on the xp system.

static wstring MySelectF olderDialog() {

wstring strFolder;

CComPtr< IFileOpenDialog> spFileOpenDialog;

if ( SUCCEEDED( spFileOpenDialog. CoCreateInstance( __uuidof( FileOpenDialog)))) {

FILEOPENDIALOGOPTIONS options;

if ( SUCCEEDED( spFileOpenDialog -> GetOptions(& options))) {

spFileOpenDialog -> SetOptions( options | FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM);

if ( SUCCEEDED( spFileOpenDialog -> Show( nullptr))) {

CComPtr< IShellItem> spResult;

if ( SUCCEEDED( spFileOpenDialog -> GetResult( & spResult))) {

wchar_t* pFolderN ame;

if ( SUCCEEDED( spResult -> GetDisplayName( SIGDN_FILESYSPATH, &pFolderN ame))) {

strFolder = pFolderN ame;

CoTaskMemFree(pFolderN ame);

}

return std:: move( strFolder);

}

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