Article ID: 172038 - View products that this article applies to.
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When writing an Active Messaging client, it would be useful to be able to use rich text formatting (RTF) in the body of the messages that are created. However, the Active Messaging Libraries provide access only to the plain text version of the body of the message, giving no control over the font characteristics of the message body.
This sample contains a DLL with functions that may be called from an Active Messaging client to read and write RTF text of a message.
The following file is available for download from the Microsoft Download Center:
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Download the Mapirtf.exe package now.
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The following are the contents of the Readme.txt file for this sample.
MAPIRTF Sample -------------- This sample illustrates how use Extended MAPI to allow RTF-formatting in a message created by Active Messaging. NOTE: If you are working against Exchange 2000 Server, you need to rebuild Mapirtf.dll using the C++ source Mapirtf.cpp provided in this article. Specifically, we need to call RTFSync with RTF_SYNC_RTF_CHANGED | RTF_SYNC_BODY_CHANGED for the ulFlags parameter. hr = RTFSync(lpMsg, RTF_SYNC_BODY_CHANGED | RTF_SYNC_RTF_CHANGED, &fUpdated); Files ----- The self-extracting executable, Mapirtf.exe, contains the following files: - Readme.txt: Contains information about the sample - Mapirtf.dll: The release version of the DLL - Mapirtfd.dll: The debug version of the DLL - Vbmaprtf.exe: Microsoft Visual Basic Active Messaging client - Vbmaprtf.pdb: Debug symbols for Vbmaprtf.exe - CSource Folder: Contains the source file and Microsoft Visual C++ version 5.0 workspace and project files for Mapirtf(d).dll - VBSource Folder: Contains the Microsoft Visual Basic version 5.0 project, form, and module files for Vbmaprtf.exe General ------- The files Mapirtf.dll (release version) and Mapirtfd.dll (debug version) contain the following functions: - "Writertf" writes RTF-formatted text to a message created by Active Messaging, when passed the profile name, entry ID of the message, entry ID of the message store, and the RTF text. - "Readrtf" reads RTF-formatted text from a message when passed the profile name, entry ID of the message, entry ID of the message store, and a string variable to which to store the text. How to Use ---------- Before use, the DLL files should be placed in the Windows\System directory (for Windows 95) or the Winnt\System32 directory (for Windows NT. In Visual Basic, declare the functions as follows: ' For the Debug version of the DLL, remark the following lines Public Declare Function writertf _ Lib "mapirtf.dll" _ (ByVal ProfileName As String, _ ByVal MessageID As String, _ ByVal StoreID As String, _ ByVal cText As String) _ As Integer Public Declare Function readrtf _ Lib "mapirtf.dll" _ (ByVal ProfileName As String, _ ByVal SrcMsgID As String, _ ByVal SrcStoreID As String, _ ByRef MsgRTF As String) _ As Integer ' For the Debug version of the DLL, un-remark the following lines 'Public Declare Function writertf _ Lib "mapirtfd.dll" _ (ByVal ProfileName As String, _ ByVal MessageID As String, _ ByVal StoreID As String, _ ByVal cText As String) _ As Integer 'Public Declare Function readrtf _ Lib "mapirtfd.dll" _ (ByVal ProfileName As String, _ ByVal SrcMsgID As String, _ ByVal SrcStoreID As String, _ ByRef MsgRTF As String) _ As Integer Sample Code ----------- The following sample code assumes that you have already declared the DLL function as described above. For a more complete example, please see the Visual Basic project accompanying this sample. - WriteRTF Sample. (This code assumes you already have a variable called cRTF defined which contains RTF-formatted text.) Sub SendRTF() Dim objSession, objMessage, objMessageFilter As Object Dim MessageID As String Dim bRet As Integer Set objSession = CreateObject("MAPI.Session") objSession.Logon ' Create a new message Set objMessage = objSession.Outbox.Messages.Add objMessage.Update MessageID = objMessage.ID bRet = WriteRTF(objSession.Name, objMessage.ID, _ objMessage.StoreID, cRTF) If Not bRet = 0 Then MsgBox "RTF Not Written Successfully", vbOKOnly, "VBSendRTF Warning" End If 'Clear our current variable Set objMessage = Nothing ' Get our message Set objMessage = objSession.GetMessage(MessageID) ' Send the Message objMessage.Send ShowDialog:=True objSession.Logoff End Sub - ReadRTF Sample. Sub ReadRTF() Dim objSession, objMessage, objMessageFilter As Object Dim MessageID, cRTF As String Dim bRet As Integer Set objSession = CreateObject("MAPI.Session") objSession.Logon ' Read the first message in the Inbox Set objMessage = objSession.Inbox.Messages(1) objMessage.Update ' to get a permanent Entry ID MessageID = objMessage.ID ' We must initialize the string variable we are passing ' to a string of the maximum length we want to read cRTF = Space(500) bRet = ReadRTF(objSession.Name, objMessage.ID, _ objMessage.StoreID, cRTF) If Not bRet = 0 Then MsgBox "RTF Not Written Successfully" Else MsgBox "RTF Text: " & Chr(13) & cRTF End If Set objMessage = Nothing objSession.Logoff Set objSession = Nothing End Sub
Article ID: 172038 - Last Review: August 18, 2005 - Revision: 6.3