private void handle_figure_state_changed(InteractiveFigure figure, FigureState state)
{
if (state == FigureState.Closed)
{
int index = this.FiguresTyped.FindIndex((x) => figure == x);
if (index >= 0)
{
this.FiguresTyped.RemoveAt(index);
if (this.ActiveFigureIndex >= index)
{
this.ActiveFigureIndex = Math.Max(this.ActiveFigureIndex - 1, this.FiguresTyped.Count - 1);
}
figure.StateChange -= handle_figure_state_changed;
}
}
}
void BaseImperativeFigure_StateChanged(InteractiveFigure arg1, FigureState arg2)
{
this.State = arg2;
}
