Файлы. Найти строку с буквы Т - VB

Option Explicit
Const FirstT As String = "Т"       
Private Sub Command1_Click()
Dim A As String, h As Integer, b As Integer, c As Integer
h = 0: b = 0
Open "H:\file_v2\Vvodim_stroki.txt" For Input As #1     
Open "H:\file_v2\Test.txt" For Append As #2
    Do While Text1.Text = ""       
             Line Input #1, A       
             h = h + 1
             If UCase(Left(A, 1)) = UCase(FirstT) Then
             b = h: Print #2, A: Text1.Text = "Stroka nomer" & b
             End If
             Loop
             If b = 0 Then
             Text1.Text = "Takih strok net."
             End If
             
Close #1
Close #2
End Sub