VB.NET สอบถามเรื่องการเพิ่มรูปภาพจากภาพใหม่ไปทับภาพเดิมโดยชื่อเหมือนกัน แต่ขึ้น error

Private Sub btnBowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBowse.Click

 Dim tmpFilename As String
        Dim FileToCopy As String
        Dim NewCopy As String
        tmpFilename = txtPicLink.Text
        OpenFileDialog1.InitialDirectory() = txtPicLink.Text
        OpenFileDialog1.FileName = txtPicLink.Text
        OpenFileDialog1.ShowDialog()
        txtPicLink.Text = OpenFileDialog1.FileName
        If MessageBox.Show("Do you to change picture?", "System Admin", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.No Then
            txtPicLink.Text = tmpFilename
        Else
            Me.PicComponentPartList.Image = Image.FromFile(txtPicLink.Text)
            FileToCopy = txtPicLink.Text
            NewCopy = "\\sed32\ForShare\" & Me.txtComponentPartListID.Text & ".jpg" 'LOAD IMAGE TO SED32

            If System.IO.File.Exists(FileToCopy) = True Then
                System.IO.File.Copy(FileToCopy, NewCopy, True)
                MsgBox("Load Picture Completed !!")
            End If

        End If

  end sub