How to use SuperToolTip in WinForms GridGroupingControl?

this.gridGroupingControl1.TableControl.MouseHover += TableControl_MouseHover;
 
private void TableControl_MouseHover(object sender, EventArgs e)
{
    string category2Str = "Category Test String";
    SuperToolTip st = new SuperToolTip();
    st.ToolTipDuration = 5;
    st.InitialDelay = 1000;
    if(string.IsNullOrEmpty(category2Str) == false)
    {
        ToolTipInfo ti = new ToolTipInfo();
        ti.Footer.Hidden = true;
        ti.Header.Text = "Category";
        ti.Header.TextAlign = ContentAlignment.MiddleCenter;
        ti.Body.Text = category2Str;
        st.Show(ti, MousePosition);
    }
}

Private Me.gridGroupingControl1.TableControl.MouseHover += AddressOf TableControl_MouseHover
 
Private Sub TableControl_MouseHover(ByVal sender As Object, ByVal e As EventArgs)
    Dim category2Str As String = "Category Test String"
    Dim st As New SuperToolTip()
    st.ToolTipDuration = 5
    st.InitialDelay = 1000
    If String.IsNullOrEmpty(category2Str) = False Then
        Dim ti As New ToolTipInfo()
        ti.Footer.Hidden = True
        ti.Header.Text = "Category"
        ti.Header.TextAlign = ContentAlignment.MiddleCenter
        ti.Body.Text = category2Str
        st.Show(ti, MousePosition)
    End If
End Sub