public static MoveStrategyContext FromSelection(ToolBehavior toolBehavior, SceneElement primarySelection, IList <SceneElement> selectedElements, IList <BaseFrameworkElement> draggedElements, Vector duplicationOffset, Point referencePoint)
{
MoveStrategyContext moveStrategyContext = new MoveStrategyContext();
moveStrategyContext.ToolBehaviorContext = toolBehavior.ToolBehaviorContext;
moveStrategyContext.Transaction = (IToolBehaviorTransaction)toolBehavior;
moveStrategyContext.MouseDevice = toolBehavior.MouseDevice;
moveStrategyContext.PrimarySelection = primarySelection;
moveStrategyContext.SelectedElements = new ReadOnlyCollection <SceneElement>(selectedElements ?? (IList <SceneElement>) new List <SceneElement>());
moveStrategyContext.DraggedElements = new ReadOnlyCollection <BaseFrameworkElement>(draggedElements ?? (IList <BaseFrameworkElement>) new List <BaseFrameworkElement>());
moveStrategyContext.DuplicationOffset = duplicationOffset;
moveStrategyContext.SnapshotDraggedElements(moveStrategyContext.ActiveView, referencePoint);
return(moveStrategyContext);
}