long candy support

VisionBuilder.UI.Recipes.HawkeyeRecipe/OpenCVCanvas.cs

@@ -48,16 +48,16 @@ public class OpenCVCanvas:ICanvas
 
     public void DrawCross(Vector2 location)
     {
-        throw new NotImplementedException();
+        
     }
 
     public void DrawNode(Vector2 location)
     {
-        throw new NotImplementedException();
+        
     }
 
     public void DrawArrow(Vector2 location, Vector2 direction)
     {
-        throw new NotImplementedException();
+        
     }
 }