How do I deselect listview items when unchecking a listview checkbox

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VB

I am allowing users to pick certain criteria through by checkbox in listview. I can get the listview to select checkboxed listview items, but I can not seem to unselect the ones I do not want if I accidentally select them.

Here is my code:

Private Sub ListView1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ListView1.ItemChecked

        For Each itms As ListViewItem In ListView1.CheckedItems

            If itms.Checked = True Then

                itms.Selected = True

            Else

                itms.Selected = False

            End If

        Next

    End Sub 

problem is with this code if I try to uncheck a checkbox then all of the items get unselected.

What I have tried:

I have tried using the index function to single out an individual item, but that didn't work. I used

ListView1.CheckedItems.Item(itms.Index).Selected = False

but it still didn't produce the results I was looking for.