Method ExpandLine

scintilla/src/Editor.cxx:7098–7115

* Recursively expand a fold, making lines visible except where they have an unexpanded parent. */

 * Recursively expand a fold, making lines visible except where they have an unexpanded parent.
 */
int Editor::ExpandLine ( int line )
{
    int lineMaxSubord = pdoc->GetLastChild ( line );
    line++;
    while ( line <= lineMaxSubord ) {
        cs.SetVisible ( line, line, true );
        int level = pdoc->GetLevel ( line );
        if ( level & SC_FOLDLEVELHEADERFLAG ) {
            if ( cs.GetExpanded ( line ) ) {
                line = ExpandLine ( line );
            } else {
                line = pdoc->GetLastChild ( line );
            }
        }
        line++;
    }
    return lineMaxSubord;
}

void Editor::SetFoldExpanded ( int lineDoc, bool expanded )
{