private void TourStopList_MouseUp(object sender, MouseEventArgs e)
        {
            dragging = false;
            mouseDown = false;
            scrolling = false;
            if (dragThumbnail != null)
            {
                if (dragItem > -1 && dragItem != dragDropItemLocation)
                {
                    if (dragDropItemLocation != -1)
                    {
                        if (dragDropItemLocation == -2)
                        {
                            dragDropItemLocation = Items.Count;
                        }

                        List<TourStop> dragItems = new List<TourStop>();
                        foreach (int itemId in SelectedItems.Keys)
                        {
                            dragItems.Add(Items[itemId]);
                        }

                        //TourStop ts = Items[dragItem];
                        if (Control.ModifierKeys != Keys.Control)
                        {
                            Undo.Push(new UndoTourSlidelistChange(Language.GetLocalizedText(550, "Move Slide"), Tour));

                            foreach (TourStop ts in dragItems)
                            {
                                Items.Remove(ts);
                            }

                            int itemCount = 0;
                            foreach (int selIndex in SelectedItems.Keys)
                            {
                                if (dragDropItemLocation > dragItem)
                                {
                                    itemCount++;
                                }
                            }

                            dragDropItemLocation -= itemCount;
                            SelectedItems.Clear();

                            foreach (TourStop ts in dragItems)
                            {
                                Items.Insert(dragDropItemLocation, ts);
                                SelectedItems.Add(dragDropItemLocation, Items[dragDropItemLocation]);
                                dragDropItemLocation++;
                            }
                        }
                        else
                        {
                            Undo.Push(new UndoTourSlidelistChange(Language.GetLocalizedText(539, "Drag Copy"), Tour));
                            SelectedItems.Clear();
                            foreach (TourStop ts in dragItems)
                            {
                                Items.Insert(dragDropItemLocation, ts.Copy());
                                SelectedItems.Add(dragDropItemLocation, Items[dragDropItemLocation]);
                                dragDropItemLocation++;
                            }
                        }

                        Tour.CurrentTourstopIndex = selectedItem = dragDropItemLocation;

                        Refresh();
                    }
                }
                dragThumbnail.Close();
                dragThumbnail.Dispose();
                dragThumbnail = null;
            }
            dragDropItemLocation = -1;
            dragItem = -1;
        }
        private void TourStopList_MouseUp(object sender, MouseEventArgs e)
        {
            dragging  = false;
            mouseDown = false;
            scrolling = false;
            if (dragThumbnail != null)
            {
                if (dragItem > -1 && dragItem != dragDropItemLocation)
                {
                    if (dragDropItemLocation != -1)
                    {
                        if (dragDropItemLocation == -2)
                        {
                            dragDropItemLocation = Items.Count;
                        }

                        List <TourStop> dragItems = new List <TourStop>();
                        foreach (int itemId in SelectedItems.Keys)
                        {
                            dragItems.Add(Items[itemId]);
                        }

                        //TourStop ts = Items[dragItem];
                        if (Control.ModifierKeys != Keys.Control)
                        {
                            Undo.Push(new UndoTourSlidelistChange(Language.GetLocalizedText(550, "Move Slide"), Tour));

                            foreach (TourStop ts in dragItems)
                            {
                                Items.Remove(ts);
                            }

                            int itemCount = 0;
                            foreach (int selIndex in SelectedItems.Keys)
                            {
                                if (dragDropItemLocation > dragItem)
                                {
                                    itemCount++;
                                }
                            }

                            dragDropItemLocation -= itemCount;
                            SelectedItems.Clear();

                            foreach (TourStop ts in dragItems)
                            {
                                Items.Insert(dragDropItemLocation, ts);
                                SelectedItems.Add(dragDropItemLocation, Items[dragDropItemLocation]);
                                dragDropItemLocation++;
                            }
                        }
                        else
                        {
                            Undo.Push(new UndoTourSlidelistChange(Language.GetLocalizedText(539, "Drag Copy"), Tour));
                            SelectedItems.Clear();
                            foreach (TourStop ts in dragItems)
                            {
                                Items.Insert(dragDropItemLocation, ts.Copy());
                                SelectedItems.Add(dragDropItemLocation, Items[dragDropItemLocation]);
                                dragDropItemLocation++;
                            }
                        }

                        Tour.CurrentTourstopIndex = selectedItem = dragDropItemLocation;

                        Refresh();
                    }
                }
                dragThumbnail.Close();
                dragThumbnail.Dispose();
                dragThumbnail = null;
            }
            dragDropItemLocation = -1;
            dragItem             = -1;
        }
        private void TourStopList_MouseMove(object sender, MouseEventArgs e)
        {
            if (scrolling)
            {
                int scrollbarWidth = Width;
                int scrollbarStart = 0;

                float scrollUnit = (1f / (float)(TotalItems + 1) * Width);

                scrollbarWidth = Math.Max(14, (int)(Math.Min(1.0f, (float)ItemsPerPage / (float)(TotalItems + 1)) * (float)Width));
                scrollbarStart = (int)(((float)startIndex / (float)(TotalItems + 1)) * (float)Width);

                int dragDist = pointDown.X - e.X;

                startIndex = Math.Max(0, Math.Min((TotalItems + 1) - (ItemsPerPage), scrollStartIndex - (int)(dragDist / scrollUnit)));
                Refresh();

                return;
            }

            if (mouseDown)
            {
                if (Tour.EditMode)
                {
                    if (dragging)
                    {
                        Point pntTemp = Control.MousePosition;
                        pntTemp.Offset(-48, -27);
                        dragThumbnail.Location = pntTemp;
                        dragDropItemLocation = GetItemIndexFromCursor(e.Location);
                        Refresh();
                    }
                    else
                    {
                        Point pntTest = pointDown;
                        pntTest.Offset(-e.Location.X, -e.Location.Y);

                        if (Math.Abs(pntTest.X) > 5 || Math.Abs(pntTest.Y) > 5)
                        {
                            dragItem = GetItemIndexFromCursor(e.Location);
                            if (dragItem > -1)
                            {
                                dragging = true;
                                dragThumbnail = new DragThumbnail();
                                Point pntTemp = this.PointToScreen(Control.MousePosition);
                                pntTemp.Offset(-48, -27);
                                dragThumbnail.Location = pntTemp;
                                dragThumbnail.Thumbnail = Items[dragItem].Thumbnail;
                                dragThumbnail.Show();
                            }
                            else
                            {
                                mouseDown = false;
                            }
                        }
                    }
                }
            }
            else
            {
                int newHover = GetItemIndexFromCursor(e.Location);
                if (hoverItem != newHover)
                {
                    hoverItem = newHover;
                    if (ItemHover != null)
                    {
                        if (hoverItem > -1)
                        {
                            ItemHover.Invoke(this, Items[hoverItem]);
                        }
                        else
                        {
                            ItemHover.Invoke(this, null);
                        }
                    }
                }
                Refresh();
                TransitionHighlighted = false;
                switch (GetCusorSytleFromCursorPosition(e.Location))
                {
                    case HitPosition.Default:
                        Cursor.Current = Cursors.Default;
                        break;
                    case HitPosition.Drag:
                        Cursor.Current = Cursors.Hand;
                        break;
                    case HitPosition.EditName:
                        Cursor.Current = Cursors.IBeam;
                        break;
                    case HitPosition.EditTime:
                        Cursor.Current = Cursors.IBeam;
                        break;
                    case HitPosition.StartPosition:
                    case HitPosition.EndPosition:
                        Cursor.Current = Cursors.Arrow;
                        break;
                    case HitPosition.Transition:
                        Cursor.Current = Cursors.Arrow;
                        TransitionHighlighted = true;
                        break;
                    default:
                        Cursor.Current = Cursors.Default;
                        break;
                }
            }
        }
        private void TourStopList_MouseMove(object sender, MouseEventArgs e)
        {
            if (scrolling)
            {
                int scrollbarWidth = Width;
                int scrollbarStart = 0;

                float scrollUnit = (1f / (float)(TotalItems + 1) * Width);

                scrollbarWidth = Math.Max(14, (int)(Math.Min(1.0f, (float)ItemsPerPage / (float)(TotalItems + 1)) * (float)Width));
                scrollbarStart = (int)(((float)startIndex / (float)(TotalItems + 1)) * (float)Width);


                int dragDist = pointDown.X - e.X;

                startIndex = Math.Max(0, Math.Min((TotalItems + 1) - (ItemsPerPage), scrollStartIndex - (int)(dragDist / scrollUnit)));
                Refresh();

                return;
            }

            if (mouseDown)
            {
                if (Tour.EditMode)
                {
                    if (dragging)
                    {
                        Point pntTemp = Control.MousePosition;
                        pntTemp.Offset(-48, -27);
                        dragThumbnail.Location = pntTemp;
                        dragDropItemLocation   = GetItemIndexFromCursor(e.Location);
                        Refresh();
                    }
                    else
                    {
                        Point pntTest = pointDown;
                        pntTest.Offset(-e.Location.X, -e.Location.Y);

                        if (Math.Abs(pntTest.X) > 5 || Math.Abs(pntTest.Y) > 5)
                        {
                            dragItem = GetItemIndexFromCursor(e.Location);
                            if (dragItem > -1)
                            {
                                dragging      = true;
                                dragThumbnail = new DragThumbnail();
                                Point pntTemp = this.PointToScreen(Control.MousePosition);
                                pntTemp.Offset(-48, -27);
                                dragThumbnail.Location  = pntTemp;
                                dragThumbnail.Thumbnail = Items[dragItem].Thumbnail;
                                dragThumbnail.Show();
                            }
                            else
                            {
                                mouseDown = false;
                            }
                        }
                    }
                }
            }
            else
            {
                int newHover = GetItemIndexFromCursor(e.Location);
                if (hoverItem != newHover)
                {
                    hoverItem = newHover;
                    if (ItemHover != null)
                    {
                        if (hoverItem > -1)
                        {
                            ItemHover.Invoke(this, Items[hoverItem]);
                        }
                        else
                        {
                            ItemHover.Invoke(this, null);
                        }
                    }
                }
                Refresh();
                TransitionHighlighted = false;
                switch (GetCusorSytleFromCursorPosition(e.Location))
                {
                case HitPosition.Default:
                    Cursor.Current = Cursors.Default;
                    break;

                case HitPosition.Drag:
                    Cursor.Current = Cursors.Hand;
                    break;

                case HitPosition.EditName:
                    Cursor.Current = Cursors.IBeam;
                    break;

                case HitPosition.EditTime:
                    Cursor.Current = Cursors.IBeam;
                    break;

                case HitPosition.StartPosition:
                case HitPosition.EndPosition:
                    Cursor.Current = Cursors.Arrow;
                    break;

                case HitPosition.Transition:
                    Cursor.Current        = Cursors.Arrow;
                    TransitionHighlighted = true;
                    break;

                default:
                    Cursor.Current = Cursors.Default;
                    break;
                }
            }
        }