From 8125701801272856f4dca12ce6bdeb12baab20d0 Mon Sep 17 00:00:00 2001
From: Michael Dewberry <michael.dewberry@autodesk.com>
Date: Tue, 1 Sep 2020 19:10:37 -0400
Subject: [PATCH] Prevent unintended node movement after using Ctrl-drag to
 copy a node. (#10720)

---
 src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs b/src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs
index ac83d2278d6..918062ebe06 100644
--- a/src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs
+++ b/src/DynamoCoreWpf/ViewModels/Core/StateMachine.cs
@@ -129,6 +129,7 @@ internal void BeginDragSelection(Point2D mouseCursor)
             // before they get updated by the drag operation.
             // 
             RecordSelectionForUndo();
+            draggedNodes.Clear();
             foreach (ISelectable selectable in DynamoSelection.Instance.Selection)
             {
                 ILocatable locatable = selectable as ILocatable;