C#: Get Event from shared calendar(s)

Question

Hello to you all,

I have to retreive all my shared calendar's event for the current day. I am trying to do this in C#. I have tried with this code:

Outlook.Application oApp = new Outlook.Application();





Outlook.NameSpace oNS = oApp.GetNamespace("mapi");



  

oNS.Logon(Missing.Value, Missing.Value, true, true);



    

// Get the Calendar folder.

Outlook.MAPIFolder oCalendar = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderCalendar);

    

// Get the Items (Appointments) collection from the Calendar folder.

Outlook.Items oItems = oCalendar.Items;

Unfortunately, I get only event from my calendar, and nothing from the shared ones....where did I go wrong? What am I missing?

Many thanks

Answer 1

The shared calendars are seperate folders, getting the default calendar gets the calendar for the user you logged on as!

You need to iterate through all the folders determine thier type and interegate each one for entries.

See this link for the answer http://social.msdn.microsoft.com/forums/en-US/vbgeneral/thread/83af3946-6ab7-465b-bc06-7c89d8fa1143

Regards

Rupert

 

---

the problem is not what you don't know it's what you think you know that's wrong

Answer 2

Hello,

I've tried the answer showed in the link but it is not working in c#. Here is the c# code that I took from the vb's code showed in the link. If you see what is wrong, please let me know:

try
      {
        int intFolderCtr;
        int intSubFolderCtr;
        int intAppointmentCtr;
        Outlook.Application oApp = new Outlook.Application();
        Outlook.MAPIFolder objFolder;
        Outlook.Explorer objExplorer;
        Outlook.MAPIFolder objSubFolder;
        Outlook.AppointmentItem objCalenderItem;
        Outlook.Folders objOutlookFolders;
                

        objOutlookFolders = oApp.Session.Folders;
        
        //loop trough folders
        for (intFolderCtr = 0; intFolderCtr < objOutlookFolders.Count; intFolderCtr = intFolderCtr + 1)
        {
          
          if (intFolderCtr == 0)
          {
            objFolder = objOutlookFolders.GetFirst();
          }
          else
          {
            objFolder = objOutlookFolders.GetNext();
          }
          
          
          //objExplorer = objFolder.GetExplorer(Outlook.OlFolderDisplayMode.olFolderDisplayNormal);
          
          
          //iterate trough sub folder
          //for (intSubFolderCtr = 0; intSubFolderCtr < objExplorer.CurrentFolder.Folders.Count; intSubFolderCtr = intSubFolderCtr + 1)
          for (intSubFolderCtr = 0; intSubFolderCtr < objFolder.Folders.Count; intSubFolderCtr = intSubFolderCtr + 1)
          {
            if (intSubFolderCtr == 0)
            {
              objSubFolder = objFolder.Folders.GetFirst();
            }
            else
            {
              objSubFolder = objFolder.Folders.GetNext();
            }

            
            //check if appointement in folder           
            if (objSubFolder.DefaultItemType == Outlook.OlItemType.olAppointmentItem)
            {
              
              //loop trough appointements type
              for (intAppointmentCtr = 0; intAppointmentCtr < objSubFolder.Items.Count; intAppointmentCtr = intAppointmentCtr + 1)
              {


                //get the calendar item from the calendar folder                
                if (intAppointmentCtr == 0)
                {
                  objCalenderItem = (Outlook.AppointmentItem)objSubFolder.Items.GetFirst();
                }
                else
                {
                  objCalenderItem = (Outlook.AppointmentItem)objSubFolder.Items.GetNext();
                }

                
                objCalenderItem.Display(Outlook.OlFolderDisplayMode.olFolderDisplayNoNavigation);


              }//iterates trough appointement items


            }//            

          }//

            


        }//end main for loop


        //close and release COM object
        //oApp.Quit();
        oApp = null;
        System.Runtime.InteropServices.Marshal.ReleaseComObject(oApp);

      }

      //Simple error handling.
      catch (Exception e)
      {
        Console.WriteLine("{0} Exception caught.", e);
      }

Many thanks

Answer 3

Hi Pharaday,

Welcome to MSDN Forums!

 

using System;
using Outlook = Microsoft.Office.Interop.Outlook;

namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      Outlook.Application objOLApp;
      Outlook.MAPIFolder objFolder;
      Outlook.Explorer objExplorer;
      Outlook.MAPIFolder objSubFolder;
      Outlook.AppointmentItem objCalenderItem;
      Outlook.Folders objOutlookFolders;
      int intFolderCtr;
      int intSubFolderCtr;
      int intAppointmentCtr;
      // >> Initialize The Base Objects
      objOLApp = new Outlook.Application();
      objOutlookFolders = objOLApp.Session.Folders;
      // >> Loop Through The PST Files Added n Outlook
      for (intFolderCtr = 1; intFolderCtr <= objOutlookFolders.Count; intFolderCtr++)
      {
        objFolder = objOutlookFolders[intFolderCtr];
        objExplorer = objFolder.GetExplorer();
        // >> Loop Through The Folders In The PST File
        for (intSubFolderCtr = 1; intSubFolderCtr <= objExplorer.CurrentFolder.Folders.Count; intSubFolderCtr++)
        {
          objSubFolder = objExplorer.CurrentFolder.Folders[intSubFolderCtr];
          // >> Check if Folder Contains Appointment Items
          if (objSubFolder.DefaultItemType == Outlook.OlItemType.olAppointmentItem)
          {
            // >> Loop Through Appointment Items
            for (intAppointmentCtr = 1; intAppointmentCtr <= objSubFolder.Items.Count; intAppointmentCtr++)
            {
              // >> Get Teh Calender Item From The Calender Folder
              objCalenderItem = objSubFolder.Items[intAppointmentCtr];
              // >> Process Appointment Item Accordingly
              Console.WriteLine(objCalenderItem.Subject + ", " + objCalenderItem.Location);
            }
          }
        }
      }
      // >> Close Application
      objOLApp.Quit();
      // >> Release COM Object
      System.Runtime.InteropServices.Marshal.ReleaseComObject(objOLApp);
      objOLApp = null;
      Console.ReadLine();
    }
  }
}

If there's anything unclear or there's anything I had misunderstood you, please feel free to let me know.

Have a nice day!

Mike

----------

If(helpful) -> Mark

*********************

Welcome to the new world! [All-In-One Code Framework]

Answer 4

Hi,

Many thanks for your answer. It was very helpfull. The only thing missing is when I try to access the appointment item's body, Outlook display a message box asking for granting permission to a third party trying to access Outlook's content. How can I resolve that? Because when I want the subject, starting or ending date I do not have this problem.

Many thanks,

 

Answer 5

Hi  Pharaday,

 

I'm not a expert on office development, and we have a special forum for discuss the office develop problem.

The following is the forum address, and you can create thread in that forum. There're more office develop experts will give you the expert help.

http://social.msdn.microsoft.com/Forums/en-US/outlookdev/threads

 

Best wishes,

---

Mike [MSFT]
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