+ static const int verComCtl32 = wxApp::GetComCtl32Version();
+
+ // we always add the edit box (it doesn't hurt anybody, does it?) if it is
+ // supported by the system
+ if ( verComCtl32 >= 471 )
+ {
+ bi.ulFlags |= BIF_EDITBOX;
+ }
+
+ // to have the "New Folder" button we must use the "new" dialog style which
+ // is also the only way to have a resizable dialog
+ //
+ // "new" style is only available in the version 5.0+ of comctl32.dll
+ const bool needNewDir = HasFlag(wxDD_NEW_DIR_BUTTON);
+ if ( (needNewDir || HasFlag(wxRESIZE_BORDER)) && (verComCtl32 >= 500) )
+ {
+ if (needNewDir)
+ {
+ bi.ulFlags |= BIF_NEWDIALOGSTYLE;
+ }
+ else
+ {
+ // Versions < 600 doesn't support BIF_NONEWFOLDERBUTTON
+ // The only way to get rid of the Make New Folder button is use
+ // the old dialog style which doesn't have the button thus we
+ // simply don't set the New Dialog Style for such comctl versions.
+ if (verComCtl32 >= 600)
+ {
+ bi.ulFlags |= BIF_NEWDIALOGSTYLE;
+ bi.ulFlags |= BIF_NONEWFOLDERBUTTON;
+ }
+ }
+ }
+
+ // do show the dialog