/// <summary>
/// Selects the provided items with the mouse preparing for a drag and drop
/// </summary>
/// <param name="source"></param>
private static void SelectItemsForDragAndDrop(ITreeNode[] source) {
AutomationWrapper.Select(((TreeNode)source.First()).Element);
for (int i = 1; i < source.Length; i++) {
AutomationWrapper.AddToSelection(((TreeNode)source[i]).Element);
}
Mouse.MoveTo(((TreeNode)source.Last()).Element.GetClickablePoint());
Mouse.Down(MouseButton.Left);
}