/// <summary> /// Sets the selected and the control indexes. /// </summary> /// <param name="sel">The selected index.</param> /// <param name="ctrl">The control index.</param> public void SetIndices(int sel, int ctrl, MyPoint org) { const int margin = 10; Rectangle rcSel = Rectangle.Empty; Rectangle rcCtrl = Rectangle.Empty; Rectangle rect = Rectangle.Empty; if (_selectedIndex != sel) { rcSel = GetBoundingBox(_selectedIndex, sel); rect = rcSel; _selectedIndex = sel; } if (_controlIndex != ctrl) { rcCtrl = GetBoundingBox(_controlIndex, ctrl); if (rcSel != Rectangle.Empty) { rect = Rectangle.Union(rcSel, rcCtrl); } else { rect = rcCtrl; } _controlIndex = ctrl; } rect.Offset(-org.X, -org.Y); rect.Inflate(margin, margin); _view.Invalidate(rect); }
/// <summary> /// Clears all data. /// </summary> public void Clear() { _list.Clear(); _view.Invalidate(); }
public void SetVisible(bool yesno) { _visible = yesno; _view.Invalidate(); }