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;
}
}
}
