How to disable a checkbox in a checkedlistbox?

Question

I have some items in a CheckedListBox, I want to disable the CheckBox of first item in it.
i.e. I want to disable the first item in the C

Answer 1

Try Below Code:

Private Sub CheckedListBox1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles CheckedListBox1.MouseUp
        If (Condition) Then
         Me.CheckedListBox1.SelectedIndex = -1
        End If
End Sub