CurrentLine
int32 CurrentLine() const;
virtual int CurrentLine() = 0;
int CurrentLine();
int lineCount = CurrentLine();
int CurrentLine();
if (CurrentLine() < CountLines() - 1) {
GoToLine(CurrentLine() + 1);
GoToLine(CurrentLine());
GoToLine(CurrentLine());
if (CurrentLine() == CountLines() - 1)
GoToLine(CurrentLine() + 1);
int32 line = CurrentLine();