void objectListView_ItemChecked(object sender, ItemCheckedEventArgs e)
{
if (GroupingChanging != null)
{
var eventArgs = new GroupingChangingEventArgs <T>()
{
Grouping = (e.Item as OLVListItem).RowObject as Grouping <T>,
NewIndex = (e.Item as OLVListItem).Index
};
GroupingChanging(this, eventArgs);
if (eventArgs.Cancel)
{
return;
}
}
if (GroupingChanged != null)
{
GroupingChanged(this, EventArgs.Empty);
}
}
void rearrangingDropSink_CanDrop(object sender, OlvDropEventArgs e)
{
if (GroupingChanging != null)
{
var eventArgs = new GroupingChangingEventArgs <T>()
{
Grouping = (e.DataObject as OLVDataObject).ModelObjects[0] as Grouping <T>,
NewIndex = Math.Max(0, e.DropTargetIndex)
};
if (e.DropTargetItem != null && ReferenceEquals(eventArgs.Grouping, e.DropTargetItem.RowObject))
{
e.Effect = DragDropEffects.None;
}
else
{
GroupingChanging(this, eventArgs);
if (eventArgs.Cancel)
{
e.Effect = DragDropEffects.None;
}
}
}
}