How do you get a control to follow the vertical scroll bar inside a listview container

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VB

Originally I thought that I had all my problems fixed with the textbox in listview through mouse click code. However, When adding enough items to trigger the vertical scroll bar I noticed that when I use it to go up or down, the control I placed into listview does not move. How can I fix this? I am wanting the control to act like a subitem.

What I have tried:

I tried to find the values of the vertical scrollbar. So if I go up or down I can add that value to the bound location of the control.