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Adding an Appointment to the Calendar

Exchange Server 2003

Adding an Appointment to the Calendar

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

You can add appointments to a user's personal calendar folder and to a public folder.

To add an appointment to a folder
  1. Create an Appointment object.
  2. Set the properties of the appointment. A StartTime is required.
  3. Save the appointment to the designated folder by using the Appointment object's IDataSource Interface.

This topic contains Microsoft® Visual Basic®, Microsoft Visual C++®, Microsoft C#, and Visual Basic .NET code examples.

Visual Basic

The following example shows how to create an appointment and then save it to a specified folder:

' Reference to Microsoft ActiveX Data Objects 2.5 Library
' Reference to Microsoft CDO for Exchange 2000 Library

' Note: It is recommended that all input parameters be validated when they are
' first obtained from the user or user interface.
Function CreateAppointment(StartTime As Date, _
                            EndTime As Date, _
                            Subject As String, _
                            Location As String, _
                            TextBody As String, _
                            iMbx As IMailbox) As Appointment

    Dim iAppt       As New Appointment
    Dim Conn        As New ADODB.Connection
    Conn.Provider = "ExOLEDB.DataSource"

    'Set the appointment properties
    With iAppt
        .StartTime = StartTime
        .EndTime = EndTime
        .Subject = Subject
        .Location = Location
        .TextBody = TextBody
        'Save the appointment
        Conn.Open iMbx.BaseFolder
        .DataSource.SaveToContainer iMbx.Calendar, Conn
    End With

    Set CreateAppointment = iAppt
End Function

C++

The following example shows how to create an appointment and then save it to a specified folder:

/*
 Assume that the following paths are in your
 INCLUDE path.
 %CommonProgramFiles%\system\ado
 %CommonProgramFiles%\microsoft shared\cdo
*/

#import <msado15.dll> no_namespace
#import <cdoex.dll> no_namespace
#include <iostream.h>

// Note: It is recommended that all input parameters be validated when they are
// first obtained from the user or user interface.
IAppointmentPtr CreateAppointment(DATE startTime,
                                  DATE endTime,
                                  bstr_t subject,
                                  bstr_t location,
                                  bstr_t textbody,
                                  const IMailboxPtr& iMbx)
{

   IAppointmentPtr   iAppt(__uuidof(Appointment));
   _ConnectionPtr   Conn(__uuidof(Connection));
   IDataSourcePtr   iDsrc;

   Conn->Provider = "ExOLEDB.DataSource";

   try {
      //Set the appointment properties
      iAppt->StartTime = startTime;
      iAppt->EndTime   = endTime;
      iAppt->Subject   = subject;
      iAppt->Location  = location;
      iAppt->TextBody  = textbody;
      //Save the appointment
      iDsrc = iAppt;

      Conn->Open(iMbx->BaseFolder, bstr_t() , bstr_t(), -1);
      cout << "save to container here" << endl;
      iDsrc->SaveToContainer(iMbx->Calendar, Conn,
                             adModeReadWrite, adCreateNonCollection,
                             adOpenSource, bstr_t(), bstr_t() );

   }
   catch(_com_error e) {
      cout << "Error setting props on appointment??" << endl;
      throw e;
   }
   return iAppt;
}

C#

The following example shows how to create an appointment and then save it to a specified folder:

// Reference to Microsoft ActiveX Data Objects 2.5 Library
// Reference to Microsoft CDO for Exchange 2000 Library
// Reference to Active DS Type Library

// Note: It is recommended that all input parameters be validated when they are
// first obtained from the user or user interface.
static CDO.Appointment CreateAppointment(DateTime StartTime,
                                         DateTime EndTime,
                                         String Subject,
                                         String Location,
                                         String TextBody,
                                         CDO.IMailbox iMbx)
{
   try
   {
      // Variables.
      CDO.Appointment iAppt = new CDO.Appointment();
      ADODB.Connection Conn = new ADODB.Connection();
      Conn.Provider = "ExOLEDB.DataSource";

      //Set the appointment properties.
      iAppt.StartTime = StartTime;
      iAppt.EndTime = EndTime;
      iAppt.Subject = Subject;
      iAppt.Location = Location;
      iAppt.TextBody = TextBody;

      //Save the appointment
      Conn.Open(iMbx.BaseFolder, "", "", -1);
      iAppt.DataSource.SaveToContainer(iMbx.Calendar, Conn,
         ADODB.ConnectModeEnum.adModeReadWrite,
         ADODB.RecordCreateOptionsEnum.adCreateNonCollection,
         ADODB.RecordOpenOptionsEnum.adOpenSource, "", "");

      Console.WriteLine("Appointment saved.");
      return iAppt;
   }
   catch (Exception err)
   {
      Console.WriteLine(err.ToString());
      return null;
   }
}
 

Visual Basic .NET

The following example shows how to create an appointment and then save it to a specified folder:

' Reference to Microsoft ActiveX Data Objects 2.5 Library
' Reference to Microsoft CDO for Exchange 2000 Library
' Reference to Active DS Type Library

' Note: It is recommended that all input parameters be validated when they are
' first obtained from the user or user interface.
Function CreateAppointment(ByVal StartTime As Date, _
                           ByVal EndTime As Date, _
                           ByVal Subject As String, _
                           ByVal Location As String, _
                           ByVal TextBody As String, _
                           ByVal iMbx As CDO.IMailbox) As CDO.Appointment
Try

   ' Variables.
   Dim iAppt As New CDO.Appointment()
   Dim Conn As New ADODB.Connection()
   Conn.Provider = "ExOLEDB.DataSource"

   With iAppt

      ' Set the appointment properties.
      .StartTime = StartTime
      .EndTime = EndTime
      .Subject = Subject
      .Location = Location
      .TextBody = TextBody

      'Save the appointment.
      Console.WriteLine(iMbx.BaseFolder)
      Conn.Open(iMbx.BaseFolder)
      .DataSource.SaveToContainer(iMbx.Calendar, Conn)
   End With

   Console.WriteLine("Appointment created.")

   CreateAppointment = iAppt


   Catch err As Exception
      Console.WriteLine(err.ToString())
      CreateAppointment = Nothing
   End Try

End Function
 
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