Как и когда утилизируются члены c # Static?

Public Function SendEmail(Optional ByVal p_AsHTML As Boolean = False, Optional ByVal p_themEmail As String = "") As Boolean
            Dim client As SmtpClient = New SmtpClient ''("FMSERVER.FMINNOVATIONS.COM.AU")
            'Dim fromAddress As MailAddress = New MailAddress(Me.FromEmail, "WSMenterprise")
            'Dim toAddress As MailAddress
            Try
                Dim aMessage As New MailMessage()
                '(New MailAddress(Me.FromEmail, "WSMenterprise"), New MailAddress(anAdd))
                If _fromAddress IsNot Nothing Then
                    If _fromName IsNot Nothing Then
                        aMessage.From = New MailAddress(_fromAddress, _fromName)
                    Else
                        aMessage.From = New MailAddress(_fromAddress)
                    End If
                End If
                For Each anAdd As String In _To
                    aMessage.To.Add(New MailAddress(anAdd))
                Next
                For Each cc As String In _CC
                    aMessage.CC.Add(New MailAddress(cc))
                Next
                For Each bcc As String In _BCC
                    aMessage.Bcc.Add(New MailAddress(bcc))
                Next
                aMessage.Subject = _Subject
                aMessage.IsBodyHtml = p_AsHTML

                If _EmailLogo Is Nothing Then
                    aMessage.Body = _Body
                Else
                    If p_themEmail.ToString().ToLower.Contains("dexus") Then

                       Dim htmlView = AlternateView.CreateAlternateViewFromString(_Body.ToString(), Nothing, "text/html")
                        Dim logo As New LinkedResource(_EmailLogo)
                        logo.ContentId = "Dexuslogo1"
                        Dim logo1 As New LinkedResource(_EmailLogo1)
                        logo1.ContentId = "Dexuslogo2"
                        htmlView.LinkedResources.Add(logo)
                        htmlView.LinkedResources.Add(logo1)
                        aMessage.AlternateViews.Add(htmlView)

                    Else

                        Dim htmlView = AlternateView.CreateAlternateViewFromString(_Body.ToString(), Nothing, "text/html")
                        Dim logo As New LinkedResource(_EmailLogo)
                        logo.ContentId = "companylogo"
                        htmlView.LinkedResources.Add(logo)
                        aMessage.AlternateViews.Add(htmlView)
                    End If
                End If

                For Each anAttach As Attachment In _Attachments
                    aMessage.Attachments.Add(anAttach)
                Next

                If _ReplyTo IsNot Nothing Then aMessage.ReplyToList.Add(New MailAddress(_ReplyTo))
                client.Host = "smtpi.cbre.com.au"
                client.UseDefaultCredentials = True
                client.Send(aMessage)
            Catch exRecipUnk As SmtpFailedRecipientException
                Return False
            Catch exSmtp As SmtpException
                ''exSmtp.StatusCode
                Return False
            Catch ex As Exception
                Return False
            End Try
            Return True
        End Function
    If p_Gmap_code = "DE" Then
                Dim p_Theme As New Theme("Dexus")
                Dim passwordlink As String = ""
                Dim DexuslogoImage1 As String = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Images\Dexus_Notice_Logo.png")
                Dim DexuslogoImage2 As String = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Images\DexusTenantNotice.png")

                passwordlink = "<a href='" + p_Theme.TenantLoginPage + "?accesstype=email&te=" + a.Encrypt(p_TenantEmail) + "' target='_blank'>here.</a><br/>"
                bodys += "<div align='Center'><table border='0' cellpadding='0' cellspacing='0'><tr style='height:50px;'><td width='623px' ></td><td valign='top' width='180'><p align='right'><a href='http://www.dexus.com/'><img border='0' height='50' src=cid:Dexuslogo1 width='174' alt=''/></a></p></td></tr><tr><td colspan='2' width='803' style='height:25px;'></td></tr> <tr><td width='623px'><p align='left' style='font-family:Arial;font-size:14pt;'><strong> Your Dexus Response Password is about to expire</strong></p></td>"
                bodys += " <td width='180'><p align='right' style='font-family:Arial;font-size:10pt;'>" + DateTime.Now.ToString("dd/MM/yyyy") + " </p>"
                bodys += "</td></tr><tr><td colspan='2' width='803' style='height:30px;'>  </td></tr> <tr>  <td colspan='2' width='803' style='font-family:Arial;font-size:10pt;'>"
                bodys += "<p>" + wishes + " " + p_TenantName.Trim().ToString() + "</p>"
                bodys += "</td></tr><tr><td colspan='2' width='803' style='height:25px;'></td> </tr><tr><td colspan='2' width='803' style='font-family:Arial;font-size:10pt;'>"
                bodys += "Your Dexus Response password is about to expire in " + p_remaindays.ToString() + " days.<br /><br /> To reset your password and update your details, please click " + passwordlink.ToString() + "<br /><br />Please note that if you do not update your password by " + p_date + ",then your account will be set to inactive and you will not be able to access Dexus Response.</br></br>Please contact Dexus Response if you require assistance in accessing the portal.</p></td>" 'edit
                bodys += " </tr><tr><td colspan='2' width='803' style='height:30px;'></td></tr><tr><td colspan='2' width='803'><table align='left' border='0' cellpadding='0' cellspacing='0'><tr><td width='802' style='font-family:Arial;font-size:10pt;'><p><strong>Dexus Response</strong></p></td></tr><tr><td width='802' style='font-family:Arial;font-size:10pt;'><p><a href='mailto:property.services@dexusfm.com'>property.services@dexusfm.com</a> <strong>|</strong> 1300 339 870 <strong>|</strong> <a href='https://response.dexus.com/'>response.dexus.com</a></p></td></tr></table></td></tr><tr><td colspan='2' width='803' style='height:15px;'></td></tr><tr> <td colspan='2' width='803'><p> </p><p><a href='https://response.dexus.com/' border='0' target='_blank'><img border='0' height='133'"
                bodys += "src=cid:Dexuslogo2 alt='' width='800' /></a></p></td></tr><tr><td colspan='2' width='803' style='height:10px;'></td></tr><tr><td colspan='2' width='803' style='font-family:Arial;font-size:10pt;'><p><a href='http://www.dexus.com/who-we-are/terms-and-conditions' style=' color:#000000;'>Terms and Conditions</a><strong> | </strong><a href='http://www.dexus.com/who-we-are/privacy-policy' style=' color:#000000;'> Privacy Policy</a></p></td></tr><tr><td colspan='2' width='803' style='height:40px;'></td></tr><tr><td colspan='2' width='803'><p></p></td></tr><tr><td colspan='2' width='803' style='height:10px;'></td></tr><tr></tr><tr><td colspan='2' width='803' style='height:20px;'></td></tr></table></div>"

                email = New Common.Email(emailHeading, bodys, p_Theme.EmailFrom, DexuslogoImage1, DexuslogoImage2)
                email.ToEmail = p_TenantEmail
                email.SendEmail(True, p_Theme.EmailFrom)