internal void StartDraggingGroup(GroupMarker gm) { C1FlexGrid flexGrid = FlexGrid; if (flexGrid != null && FinishEditing()) { _dragSource = gm; _ddm.DoDragDrop(gm, DragMarkerColor); } }
internal void RefreshGroupMarkers() { var observableCollection = (_view != null) ? _view.GroupDescriptions : null; int gdCount = (observableCollection == null) ? 0 : observableCollection.Count; BindProperty(Watermark, TextBlock.ForegroundProperty, "ColumnHeaderForeground", "Foreground"); Watermark.Visibility = ((gdCount == 0) ? Visibility.Visible : Visibility.Collapsed); _spMarkers.Children.Clear(); if (gdCount > 0) { int m = 0; foreach (PropertyGroupDescription pgd in observableCollection) { GroupMarker groupMarker = new GroupMarker(this, pgd); Thickness margin = groupMarker.Margin; groupMarker.Margin = new Thickness(margin.Left, margin.Top + m, margin.Right, margin.Bottom); _spMarkers.Children.Add(groupMarker); m += 6; } } }