264 lines
9.8 KiB
VB.net
264 lines
9.8 KiB
VB.net
'Imports System.Runtime.InteropServices
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'Imports System.Windows.Forms
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'Imports System.IO
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'Namespace SendFileTo
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' Public Class cSendMailAttach
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' Public Function AddRecipientTo(ByVal email As String) As Boolean
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' Return AddRecipient(email, howTo.MAPI_TO)
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' End Function
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' Public Function AddRecipientCC(ByVal email As String) As Boolean
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' Return AddRecipient(email, howTo.MAPI_TO)
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' End Function
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' Public Function AddRecipientBCC(ByVal email As String) As Boolean
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' Return AddRecipient(email, howTo.MAPI_TO)
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' End Function
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' Public Sub AddAttachment(ByVal strAttachmentFileName As String)
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' m_attachments.Add(strAttachmentFileName)
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' End Sub
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' Public Function SendMailPopup(ByVal strSubject As String,
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' ByVal strBody As String) As Integer
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' Return SendMail(strSubject, strBody, MAPI_LOGON_UI Or MAPI_DIALOG)
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' End Function
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' Public Function SendMailDirect(ByVal strSubject As String,
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' ByVal strBody As String) As Integer
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' Return SendMail(strSubject, strBody, MAPI_LOGON_UI)
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' End Function
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' <DllImport("MAPI32.DLL")>
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' Private Shared Function MAPISendMail(ByVal sess As IntPtr,
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' ByVal hwnd As IntPtr, ByVal message As MapiMessage,
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' ByVal flg As Integer, ByVal rsv As Integer) As Integer
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' End Function
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' Private Function SendMail(ByVal strSubject As String,
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' ByVal strBody As String, ByVal how As Integer) As Integer
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' Dim msg As MapiMessage = New MapiMessage()
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' msg.subject = strSubject
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' msg.noteText = strBody
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' msg.recips = GetRecipients(msg.recipCount)
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' msg.files = GetAttachments(msg.fileCount)
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' m_lastError = MAPISendMail(New IntPtr(0), New IntPtr(0), msg, how,
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' 0)
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' If m_lastError > 1 Then
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' MessageBox.Show("MAPISendMail failed! " + GetLastError(),
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' "MAPISendMail")
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' End If
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' Cleanup(msg)
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' Return m_lastError
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' End Function
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' Private Function AddRecipient(ByVal email As String,
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' ByVal howTo As howTo) As Boolean
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' Dim recipient As MapiRecipDesc = New MapiRecipDesc()
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' recipient.recipClass = CType(howTo, Integer)
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' recipient.name = email
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' m_recipients.Add(recipient)
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' Return True
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' End Function
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' Private Function GetRecipients(ByRef recipCount As Integer) As IntPtr
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' recipCount = 0
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' If m_recipients.Count = 0 Then
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' Return 0
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' End If
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' Dim size As Integer = Marshal.SizeOf(GetType(MapiRecipDesc))
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' Dim intPtr As IntPtr = Marshal.AllocHGlobal(
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' m_recipients.Count * size)
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' Dim ptr As Integer = CType(intPtr, Integer)
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' Dim mapiDesc As MapiRecipDesc
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' For Each mapiDesc In m_recipients
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' Marshal.StructureToPtr(mapiDesc, CType(ptr, IntPtr), False)
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' ptr += size
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' Next
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' recipCount = m_recipients.Count
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' Return intPtr
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' End Function
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' Private Function GetAttachments(ByRef fileCount As Integer) As IntPtr
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' fileCount = 0
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' If m_attachments Is Nothing Then
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' Return 0
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' End If
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' If (m_attachments.Count <= 0) Or (m_attachments.Count >
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' maxAttachments) Then
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' Return 0
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' End If
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' Dim size As Integer = Marshal.SizeOf(GetType(MapiFileDesc))
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' Dim intPtr As IntPtr = Marshal.AllocHGlobal(
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' m_attachments.Count * size)
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' Dim mapiFileDesc As MapiFileDesc = New MapiFileDesc()
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' mapiFileDesc.position = -1
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' Dim ptr As Integer = CType(intPtr, Integer)
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' Dim strAttachment As String
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' For Each strAttachment In m_attachments
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' mapiFileDesc.name = Path.GetFileName(strAttachment)
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' mapiFileDesc.path = strAttachment
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' Marshal.StructureToPtr(mapiFileDesc, CType(ptr, IntPtr), False)
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' ptr += size
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' Next
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' fileCount = m_attachments.Count
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' Return intPtr
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' End Function
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' Private Sub Cleanup(ByRef msg As MapiMessage)
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' Dim size As Integer = Marshal.SizeOf(GetType(MapiRecipDesc))
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' Dim ptr As Integer = 0
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' If msg.recips <> IntPtr.Zero Then
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' ptr = CType(msg.recips, Integer)
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' Dim i As Integer
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' For i = 0 To msg.recipCount - 1 Step i + 1
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' Marshal.DestroyStructure(CType(ptr, IntPtr),
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' GetType(MapiRecipDesc))
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' ptr += size
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' Next
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' Marshal.FreeHGlobal(msg.recips)
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' End If
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' If msg.files <> IntPtr.Zero Then
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' size = Marshal.SizeOf(GetType(MapiFileDesc))
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' ptr = CType(msg.files, Integer)
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' Dim i As Integer
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' For i = 0 To msg.fileCount - 1 Step i + 1
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' Marshal.DestroyStructure(CType(ptr, IntPtr),
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' GetType(MapiFileDesc))
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' ptr += size
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' Next
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' Marshal.FreeHGlobal(msg.files)
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' End If
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' m_recipients.Clear()
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' m_attachments.Clear()
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' m_lastError = 0
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' End Sub
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' Public Function GetLastError() As String
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' If m_lastError <= 26 Then
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' Return errors(m_lastError)
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' End If
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' Return "MAPI error [" + m_lastError.ToString() + "]"
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' End Function
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' ReadOnly errors() As String = New String() {"OK [0]", "User abort [1]",
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' "General MAPI failure [2]", "MAPI login failure [3]",
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' "Disk full [4]", "Insufficient memory [5]", "Access denied [6]",
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' "-unknown- [7]", "Too many sessions [8]",
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' "Too many files were specified [9]",
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' "Too many recipients were specified [10]",
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' "A specified attachment was not found [11]",
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' "Attachment open failure [12]", "Attachment write failure [13]",
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' "Unknown recipient [14]", "Bad recipient type [15]",
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' "No messages [16]", "Invalid message [17]", "Text too large [18]",
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' "Invalid session [19]", "Type not supported [20]",
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' "A recipient was specified ambiguously [21]",
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' "Message in use [22]", "Network failure [23]",
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' "Invalid edit fields [24]", "Invalid recipients [25]",
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' "Not supported [26]"}
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' Dim m_recipients As New List(Of MapiRecipDesc)
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' Dim m_attachments As New List(Of String)
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' Dim m_lastError As Integer = 0
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' Private Const MAPI_LOGON_UI As Integer = &H1
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' Private Const MAPI_DIALOG As Integer = &H8
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' Private Const maxAttachments As Integer = 20
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' Enum howTo
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' MAPI_ORIG = 0
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' MAPI_TO
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' MAPI_CC
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' MAPI_BCC
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' End Enum
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' End Class
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' <StructLayout(LayoutKind.Sequential)>
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' Public Class MapiMessage
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' Public reserved As Integer
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' Public subject As String
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' Public noteText As String
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' Public messageType As String
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' Public dateReceived As String
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' Public conversationID As String
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' Public flags As Integer
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' Public originator As IntPtr
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' Public recipCount As Integer
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' Public recips As IntPtr
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' Public fileCount As Integer
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' Public files As IntPtr
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' End Class
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' <StructLayout(LayoutKind.Sequential)>
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' Public Class MapiFileDesc
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' Public reserved As Integer
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' Public flags As Integer
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' Public position As Integer
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' Public path As String
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' Public name As String
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' Public type As IntPtr
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' End Class
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' <StructLayout(LayoutKind.Sequential)>
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' Public Class MapiRecipDesc
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' Public reserved As Integer
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' Public recipClass As Integer
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' Public name As String
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' Public address As String
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' Public eIDSize As Integer
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' Public enTryID As IntPtr
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' End Class
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'End Namespace
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Imports System
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Imports System.IO
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Imports System.Net.Mail
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Imports System.Reflection
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Imports System.Runtime.CompilerServices
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Namespace Fsolutions.Fbase.Common.Mail
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Module MailUtility
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<Extension()>
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Sub Save(ByVal message As MailMessage, ByVal filename As String, ByVal Optional addUnsentHeader As Boolean = True)
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Using filestream = File.Open(filename, FileMode.Create)
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If addUnsentHeader Then
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Dim binaryWriter = New BinaryWriter(filestream)
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binaryWriter.Write(System.Text.Encoding.UTF8.GetBytes("X-Unsent: 1" & Environment.NewLine))
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End If
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Dim assembly = GetType(SmtpClient).Assembly
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Dim mailWriterType = assembly.[GetType]("System.Net.Mail.MailWriter")
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Dim mailWriterContructor = mailWriterType.GetConstructor(BindingFlags.Instance Or BindingFlags.NonPublic, Nothing, {GetType(Stream)}, Nothing)
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Dim mailWriter = mailWriterContructor.Invoke(New Object() {filestream})
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Dim sendMethod = GetType(MailMessage).GetMethod("Send", BindingFlags.Instance Or BindingFlags.NonPublic)
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sendMethod.Invoke(message, BindingFlags.Instance Or BindingFlags.NonPublic, Nothing, New Object() {mailWriter, True, True}, Nothing)
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Dim closeMethod = mailWriter.[GetType]().GetMethod("Close", BindingFlags.Instance Or BindingFlags.NonPublic)
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closeMethod.Invoke(mailWriter, BindingFlags.Instance Or BindingFlags.NonPublic, Nothing, New Object() {}, Nothing)
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End Using
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End Sub
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End Module
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End Namespace
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