Как обратиться к объектам на форме по их имени?

    Dim Tb1 As String = "TextBox1"
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Me.Controls(Tb1).Text = "Vualya"
    End Sub

Me.Controls(Tb1).Text = "Vualya"

Form245.Controls(Tb1).Text = "Vualya"

'Не работает
Dim Help_Label As String = "Label_S_"
Me.Controls(Help_Label & 1).Visible = False
 
'Не работает
Dim Help_Label As String = "Label_S_1"
Me.Controls(Help_Label).Visible = False
 
'Прямая команда работает...
Label_S_1.Visible = False

Label_S_1.Visible = False

Me.TabControl_General.TabPages(1).Controls("Label_S_1").Visible = False
'Или
Me.TabControl_General.Controls("Label_S_1").Visible = False

Public Class Form1
    Dim L() As Label
    Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
        L = {Label1, Label2, Label3, Label4}
    End Sub
    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        For i As Integer = 0 To 3
            L(i).Visible = True
        Next
    End Sub
    Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
        For i As Integer = 0 To 3
            L(i).Visible = False
        Next
    End Sub
 
End Class

Label_S_1.Visible = False
Label_S_2.Visible = False
Label_S_3.Visible = False
'...........

Dim Help_Label As Control = Label_S_2
        Me.TabPage1.Controls(Help_Label.Name).Visible = False

    'Показать/скрыть справочные данные
    Private Sub CheckBox_Help_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox_Help.CheckedChanged
        Dim Help_Label() As Label
        Help_Label = {Label_S_1, Label_S_2, Label_S_3, Label_S_4, Label_S_5, Label_S_6, Label_S_7, Label_S_8, Label_S_9, Label_S_10,
            Label_S_11, Label_S_12, Label_S_13, Label_S_14, Label_S_15, Label_S_16, Label_S_17, Label_S_18, Label_S_19, Label_S_20,
            Label_S_21, Label_S_22, Label_S_23, Label_S_24, Label_S_25, Label_S_26, Label_S_27, Label_S_28, Label_S_29, Label_S_30,
            Label_S_31, Label_S_32, Label_S_33, Label_S_34, Label_S_35}
        If CheckBox_Help.Checked = True Then        'Если надо ПОКАЗАТЬ справочные данные...
            For i = 0 To UBound(Help_Label)
                Help_Label(i).Visible = True
            Next i
        Else                                        'СКРЫТЬ справочные данные...
            For i = 0 To UBound(Help_Label)
                Help_Label(i).Visible = False
            Next i
        End If
    End Sub

Dim Help_Label As Control = Label_S_2
Me.TabPage1.Controls(Help_Label.Name).Visible = False