Re: Problem modifying XML view definitions from installed C# Add-in

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Date: Thu, 23 Sep 2004 23:31:00 -0700

Try debugging it and see what happens. Also, print out the definition
before and afterwards. The final thing you may want to do is select your
new view after you create it. Sounds like a weird problem.

Tom

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"Michael" <outlookissueman@hotmail.com> wrote in message 
news:ecRZoiMoEHA.3396@tk2msftngp13.phx.gbl...
>I am writing an Outlook COM Add-in in C# (Visual Studio .NET 2003) which
> attempts to modify an XML view definition for an Outlook folder (similar 
> to
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnout2k2/html/odc_customviews.asp )
> .
>
> It works fine on my development machine, but when I distribute the add-in
> using a setup project, the view definition change does not work (both
> Windows XP SP1 and Outlook 2003 SP1), though no errors are reported. 
> Other
> parts of my add-in do work; only the view definition change does not 
> appear
> to work.
>
> I have installed the Office XP PIAs on my system, since I want my add-in 
> to
> work for Outlook XP as well as Outlook 2003.  I reference them directly (
> which I'm not supposed to do according to the PIA readme file and
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnoxpta/html/odc_oxppias.asp )
> , though I tried it the proper way with the same results.  The 4 PIAs
> related to Outlook are included in my setup project (as Detected
> Dependencies), I have imported the registry entries, and I have them
> installing to the GAC.  I suspect that the method for installation of my
> program and/or the PIAs is related to my problem, but I could be wrong, of
> course.
>
> Below is a small program which demonstrates the issue I am encountering
> (this is not my actual project, just a test program).  All of the action
> happens in the OnConnection method.  The program creates a folder under 
> the
> Inbox, copies an email there, and modifies the view such that only the
> Subject field is displayed (removing the From, Received, etc fields).  Any
> help/advice is appreciated. -- Michael
>
> -------------------------  Connect.cs  -------------------------
>
> namespace OutlookAddinTest
> {
> using System;
> using Microsoft.Office.Core;
> using Extensibility;
> using System.Runtime.InteropServices;
> using System.Diagnostics;
> using System.Xml;
> using Outlook = Microsoft.Office.Interop.Outlook;  // Office XP PIAs
>
> [GuidAttribute("E08191FA-C5B7-4835-AB11-1F2C67A85EB7"),
> ProgId("OutlookAddinTest.Connect")]
> public class Connect : Object, Extensibility.IDTExtensibility2
> {
>  public Connect()
>  {
>  }
>
>  /// <summary>
>  ///      Implements the OnConnection method of the IDTExtensibility2
> interface.
>  ///      Receives notification that the Add-in is being loaded.
>  /// </summary>
>  /// <param term='application'>
>  ///      Root object of the host application.
>  /// </param>
>  /// <param term='connectMode'>
>  ///      Describes how the Add-in is being loaded.
>  /// </param>
>  /// <param term='addInInst'>
>  ///      Object representing this Add-in.
>  /// </param>
>  /// <seealso class='IDTExtensibility2' />
>  public void OnConnection(object application, 
> Extensibility.ext_ConnectMode
> connectMode, object addInInst, ref System.Array custom)
>  {
>   // Get the application and namespace
>   Outlook.Application olApp = (Outlook.Application) application;
>   Outlook.NameSpace olNs = olApp.GetNamespace("MAPI");
>
>   // Find the Inbox
>   Outlook.MAPIFolder olInboxFolder =
> olNs.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderInbox);
>
>   // Create a folder under the Inbox
>   Outlook.MAPIFolder newFolder = olInboxFolder.Folders.Add("Test Folder",
> Outlook.OlDefaultFolders.olFolderInbox);
>
>   // Assume there is an email in the Inbox...
>   Outlook.MailItem randomEmail = (Outlook.MailItem) 
> olInboxFolder.Items[1];
>
>   // Copy it to the new folder (by making a copy and then moving the 
> copy).
>   // This will just make it easier to the see the results of the view
> changes... it is not completely necessary.
>   Outlook.MailItem newEmail = (Outlook.MailItem) randomEmail.Copy();
>   newEmail = (Outlook.MailItem) newEmail.Move(newFolder);
>
>   // Create a new view
>   Outlook.View newView1 = newFolder.Views.Add("Test View",
> Outlook.OlViewType.olTableView,
>    Outlook.OlViewSaveOption.olViewSaveOptionThisFolderOnlyMe);
>
>   // Let's look at the default XML (in the debugger)
>   Debug.WriteLine(newView1.XML, "View XML");
>
>   // Modify the XML
>   newView1.XML = XmlModifiedUsingXmlManipulation(newView1.XML);
>   // Note: I had also tried hand-editing the default XML and assigning it
> here (rather than using the
>   // XmlModifiedUsingXmlManipulation method) with the same results.
>   newView1.Save();
>   newView1.Apply();  // Oddly, this line generates an error (for me) in
> Office XP...
>
>  }
>
>  /// <summary>
>  /// Modify Outlook View XML using C# XML routines.
>  /// </summary>
>  /// <param name="xmlString">XML string from an Outlook View</param>
>  /// <returns></returns>
>  private string XmlModifiedUsingXmlManipulation(string xmlString)
>  {
>   XmlDocument xmlDoc = new XmlDocument();
>   xmlDoc.LoadXml(xmlString);
>
>   XmlNode docNode = xmlDoc.DocumentElement;
>   // Remove most columns
>   foreach (XmlNode column in docNode.SelectNodes("//column"))
>   {
>    if (column.SelectSingleNode("prop").InnerText !=
> "urn:schemas:httpmail:subject" &&
>     column.SelectSingleNode("prop").InnerText != "DAV:href")
>    {
>     Debug.WriteLine("Deleting project column " + column.InnerXml, "XML
> Column");
>     column.ParentNode.RemoveChild(column);
>    }
>    else
>    {
>     Debug.WriteLine("Leaving project column " + column.InnerXml, "XML
> Column");
>    }
>   }
>
>   // Turn off new item row and "in cell" edit.
>   XmlNode x = docNode.SelectSingleNode("newitemrow");
>   if (x != null)
>   {
>    x.InnerText = "0";
>   }
>   x = docNode.SelectSingleNode("incelledit");
>   if (x != null)
>   {
>    x.InnerText = "0";
>   }
>
>   string newXML = xmlDoc.InnerXml;
>
>   // Let's look at the default XML
>   Debug.WriteLine(newXML, "New XML");
>
>   return newXML;
>  }
>
>
>  public void OnDisconnection(Extensibility.ext_DisconnectMode
> disconnectMode, ref System.Array custom)
>  {
>  }
>
>  public void OnAddInsUpdate(ref System.Array custom)
>  {
>  }
>
>  public void OnStartupComplete(ref System.Array custom)
>  {
>  }
>
>  public void OnBeginShutdown(ref System.Array custom)
>  {
>  }
>
> }
> }
>
> 

• Previous message: Tom Rizzo [MSFT]: "Re: Outlook COM Add-In not listed in "COM Add-Ins" menu"
• In reply to: Michael: "Problem modifying XML view definitions from installed C# Add-in"
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• Reply: Michael: "Re: Problem modifying XML view definitions from installed C# Add-in"
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