Draw and delete node

Unity Engine
1

Hi guys. Can someone explore me, how i can draw lines like this: . And how i can select the desired line and delete it. i don’t understand how to implement it. now i use this method for creating:

void DrawNodeCurve(Rect start, Rect end)
    { 
       Vector3 startPos = new Vector3(start.x + start.width, start.y + start.height / 2, 0);
       Vector3 endPos = new Vector3(end.x, end.y + end.height / 2, 0);
       Vector3 startTan = startPos + Vector3.right;// * 50;
       Vector3 endTan = endPos + Vector3.left;// * 50;
       Color shadowCol = new Color(0, 0, 0, 0.06f);
       if (GUILayout.Button ("1")) {
           c = id;
       }
   
       for (int i = 0; i < 3; i++)
       // Draw a shadow
       {
          Handles.DrawBezier(startPos, endPos, startTan, endTan, shadowCol, null, (i + 1) * 5);
       }
       Handles.DrawBezier(startPos, endPos, startTan, endTan, Color.black, null, 1);  
    }

And for deleting, i use script, when i click to the button in window “delete connections”, script will find all connections in selected node and delete them all. So i need to implement solo line delete. Can someone help me?

2

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