title: How to set tooltips on ListView Subitems in .Net
body: <p>I am trying to set the tool tip text for some of my subitems in my listview control.  I am unable to get the tool tip to show up.</p>
  
  <p>Anyone have any suggestions?</p>
  
  <pre><code>Private _timer As Timer
  Private Sub Timer()
      If _timer Is Nothing Then
          _timer = New Timer
          _timer.Interval = 500
          AddHandler _timer.Tick, AddressOf TimerTick
          _timer.Start()
      End If
  End Sub
  Private Sub TimerTick(ByVal sender As Object, ByVal e As EventArgs)
      _timer.Enabled = False
  End Sub
  
  Protected Overrides Sub OnMouseMove(ByVal e As System.Windows.Forms.MouseEventArgs)
      If Not _timer.Enabled Then
          Dim item = Me.HitTest(e.X, e.Y)
          If Not item Is Nothing AndAlso Not item.SubItem Is Nothing Then
              If item.SubItem.Text = "" Then
                  Dim tip = New ToolTip
                  Dim p = item.SubItem.Bounds
                  tip.ToolTipTitle = "Status"
                  tip.ShowAlways = True
                  tip.Show("FOO", Me, e.X, e.Y, 1000)
                  _timer.Enabled = True
              End If
          End If
      End If
  
      MyBase.OnMouseMove(e)
  End Sub
  </code></pre>