Using Open Directory Dialog Box in BCB

#include <FileCtrl.hpp>


    UnicodeString selDir;
    TSelectDirExtOpts opt;

    opt.Clear();
    opt += TSelectDirExtOpts()<<sdNewFolder;
    opt += TSelectDirExtOpts()<<sdShowEdit;
    opt += TSelectDirExtOpts()<<sdNewUI;

    if ( SelectDirectory( L"Please Select a Directory", L"", selDir, opt, this ) )
    {
        // the selected directory is stored in selDir;
    }

TSelectDirExtOpts is a set type, with elements of type TSelectDirExtOpt.  

The Options parameter of the SelectDirectory function is a set of type TSelectDirExtOpts. This parameter is used to specify the type of browse dialog box to create.  

The possible values for an element in a set of type TSelectDirExtOpts are given in the following table.

Option	Meaning
sdNewFolder	Displays the Make New Folder button, when using the sdNewUI option.
sdShowEdit	Display an edit box containing the currently selected folder/file. This also allows typing the name of the folder/file to select.
sdShowShares	Shareable resources on remote systems are also displayed inside the browse dialog box. This automatically enables the option sdNewUI.
sdNewUI	Use the new type of dialog, that is sizeable and includes a Make a New Folder button. The dialog also allows dragging  and dropping and using the context menu on either folders or files.
sdShowFiles	The browse dialog box also displays files.
sdValidateDir	Validates the name of the folder/file inserted into the edit box, when using the bifEditBox option. The validation triggers an event of type TBrowseForFolderCallbackEvent.