my binary search isnt working, i think it has to do with the fact that im using a list and its searching thru an array idk could you guys please help me out

List Code:
Code:
Option Strict On

Public Class Form1

    Dim J As Integer = 0
    Dim MyArray As New List(Of Integer)


Private Sub btnPutNumberIntoArray_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPutNumberIntoArray.Click
        Dim number As Integer
        Integer.TryParse(txtNumbers.Text, number)
        If number < 1 Then
            MessageBox.Show("Please enter a number greater then zero.")
        Else
            MyArray.Add(number)
            txtNumbers.Clear()

        End If
    End Sub

Private Sub btnDisplayNumbersInArray_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplayNumbersInArray.Click
        

        txtDisplayNumbers.Clear()
        txtDisplayNumbers.Focus()

        For J As Integer = 0 To MyArray.Count - 1
            txtDisplayNumbers.Text &= MyArray(J).ToString &                      
             Environment.NewLine
        Next
    End Sub

Binary Search :
Code:
Private Sub btnBinarySearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBinarySearch.Click

        Dim Key As Integer
        Dim Low As Integer
        Dim High As Integer
        Dim Mid As Integer




        txtBinaryKey.Text = CStr(Key)
        Low = 0
        High = 4

        While Low <= High
            Mid = (High + Low) \ 2
            If Key = MyArray(Mid) Then
                lblBinarySearchLocation.BackColor = Color.Silver
                lblBinarySearch.Text = "Search Key found"
                lblBinarySearchLocation.Text = "Array(" & Str(Mid) & ")"

                Low = High + 1

            ElseIf Key < MyArray(Mid) Then
                High = Mid - 1
            ElseIf Key > MyArray(Mid) Then
                Low = Mid + 1
            End If
        End While

        If Key <> MyArray(Mid) Then
            lblBinarySearch.Text = "Search Key not found."
            lblBinarySearchLocation.BackColor = Color.Red
            lblBinarySearchLocation.Text = ""
        End If

    End Sub