drawing controls at run-time

[Nasty2]

hey guys, i got 2 problems,

1. i want the user to click on a form and the app. must draw a GroupBox at that location with a Label inside it.
All that shows on screen is the GroupBox...... i am bringing the label to the front but its still not showing.
The code I tried out is as follows:

    Private l As New Label
    Private g As New GroupBox

    Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
        Dim q As System.Drawing.Point

        q.X = e.X
        q.Y = e.Y

        g.Location = q
        g.Text = ""
        Me.Controls.Add(g)

        l.Parent = g
        l.Dock = DockStyle.Fill
        l.Text = Me.TextBox1.Text
        l.TextAlign = ContentAlignment.MiddleCenter
        l.BringToFront()
        l.Visible = True

        Me.Controls.Add(l)
    End Sub

2. How can I draw a line from one control to another? I would like the user to click on 2 controls...... a line will be created from the edge of one to the other.

Thanks in advance for your advice