For each control you want to change, set the Tag property to 1, then use this code:
Private Sub CheckBox1_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox1.CheckedChanged
If CheckBox1.Checked Then
For i = 0 To Me.Controls.Count - 1
If Me.Controls(i).Tag = "1" Then
Me.Controls(i).BackColor = Color.Green
End If
Next
End If
End Sub