public void Frwrd() { LPosition = LPosition + 1; if (LPosition > L.Count - 1)// start from newest element { LPosition = 0; } if (L.Count > 0)// more than one element available { HoReverseGui.OpenDiagram(_rep, L[LPosition].Guid); } }
public void Back() { // go back in history LPosition = LPosition - 1; if (LPosition < 0) { LPosition = L.Count - 1; } if (LPosition > -1) { HoReverseGui.OpenDiagram(_rep, L[LPosition].Guid); } }