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Exemple : Extraire les pièces jointes de courrier électronique pour un modèle de courrier électronique

 

Date de publication : janvier 2017

S’applique à : Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2016, Dynamics CRM Online

Cet exemple de code est pour Microsoft Dynamics 365 (Online et local).Téléchargez le package Kit de développement logiciel (SDK) de Microsoft Dynamics CRM. Il se trouve à l'emplacement suivant dans le package de téléchargement :

SampleCode\CS\BusinessDataModel\Templates\GetEmailTemplateAttachments.cs

Configuration requise

Pour plus d'informations sur les conditions requises pour l'exécution de l'exemple de code fourni dans ce Kit de développement logiciel (SDK), consultez la rubrique Utiliser l’exemple de code et le code d’assistance.

Démontre

Cet exemple montre comment récupérer des pièces jointes de courrier électronique associées à un modèle de courrier avec la méthode IOrganizationService.RetrieveMultiple.

Exemple


using System;
using System.ServiceModel;
using System.ServiceModel.Description;

// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Discovery;

// This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
// found in the SDK\bin folder.
using Microsoft.Crm.Sdk.Messages;
using System.Collections.Generic;


namespace Microsoft.Crm.Sdk.Samples
{

    /// <summary>
    /// Demonstrates how to retrieve email attachments associated with an email template.
    /// If you want to run this sample repeatedly, you have the option to 
    /// delete all the records created at the end of execution.
    /// </summary>
    public class GetEmailTemplateAttachments
    {
        #region Class Level Members
        /// <summary>
        /// Stores the organization service proxy.
        /// </summary>
        private OrganizationServiceProxy _serviceProxy;

        // Define the IDs needed for this sample.
        public Guid _emailTemplateId;
        public List<Guid> _templateAttachmentIds = new List<Guid>();

        #endregion Class Level Members

        #region How To Sample Code
        /// <summary>
        /// Create and configure the organization service proxy.
        /// Create an email template and several attachments.
        /// Retrieve the email attachments
        /// Optionally delete template and attachments.
        /// </summary>
        /// <param name="serverConfig">Contains server connection information.</param>
        /// <param name="promptforDelete">When True, the user will be prompted to delete all
        /// created entities.</param>
        public void Run(ServerConnection.Configuration serverConfig, bool promptForDelete)
        {
            try
            {

                // Connect to the Organization service. 
                // The using statement assures that the service proxy will be properly disposed.
                using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
                {
                    // This statement is required to enable early-bound type support.
                    _serviceProxy.EnableProxyTypes();

                    // Call the method to create any data that this sample requires.
                    CreateRequiredRecords();


                    //Create a query to retrieve attachments.
                    QueryExpression query = new QueryExpression
                    {
                        EntityName = ActivityMimeAttachment.EntityLogicalName,
                        ColumnSet = new ColumnSet("filename"),

                        //Define the conditions for each attachment.
                        Criteria =
                        {
                            FilterOperator = LogicalOperator.And,
                            Conditions =
                        {
                            //The ObjectTypeCode must be specified, or else the query
                            //defaults to "email" instead of "template".
                            new ConditionExpression
                            {
                                AttributeName = "objecttypecode",
                                Operator = ConditionOperator.Equal,
                                Values = {Template.EntityTypeCode}
                            },
                            //Specify which template we need.
                            new ConditionExpression
                            {
                                AttributeName = "objectid",
                                Operator = ConditionOperator.Equal,
                                Values = {_emailTemplateId}
                            }
                        }
                        }
                    };

                    //Write out the filename of each attachment retrieved.
                    foreach (ActivityMimeAttachment attachment in _serviceProxy.RetrieveMultiple(query).Entities)
                    {
                        Console.WriteLine("Retrieved attachment {0}", attachment.FileName);
                    }


                    DeleteRequiredRecords(promptForDelete);
                }
            }

            // Catch any service fault exceptions that Microsoft Dynamics CRM throws.
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
            {
                // You can handle an exception here or pass it back to the calling method.
                throw;
            }
        }

        /// <summary>
        /// This method creates any entity records that this sample requires.
        /// </summary>
        public void CreateRequiredRecords()
        {
            //Define the email template to create.
            Template emailTemplate = new Template
            {
                Title = "An example email template",
                Subject = "This is an example email.",
                IsPersonal = false,
                TemplateTypeCode = "lead",

                //1033 is the code for US English - you may need to change this value
                //depending on your locale.
                LanguageCode = 1033

            };

            _emailTemplateId = _serviceProxy.Create(emailTemplate);

            for (int i = 0; i < 3; i++ )
            {
                ActivityMimeAttachment attachment = new ActivityMimeAttachment
                {
                    Subject = String.Format("Attachment {0}",i),
                    FileName = String.Format("ExampleAttachment{0}.txt", i),
                    Body = "Some Text",
                    ObjectId = new EntityReference(Template.EntityLogicalName, _emailTemplateId),
                    ObjectTypeCode = Template.EntityLogicalName
                };

                _templateAttachmentIds.Add(_serviceProxy.Create(attachment));
            }

            Console.WriteLine("An email template and {0} attachments were created.", _templateAttachmentIds.Count);

            return;
        }

        /// <summary>
        /// Deletes any entity records that were created for this sample.
        /// <param name="prompt">Indicates whether to prompt the user to delete the records created in this sample.</param>
        /// </summary>
        public void DeleteRequiredRecords(bool prompt)
        {
            bool deleteRecords = true;

            if (prompt)
            {
                Console.WriteLine("\nDo you want these entity records deleted? (y/n)");
                String answer = Console.ReadLine();

                deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));
            }

            if (deleteRecords)
            {
                foreach(Guid attachmentId in _templateAttachmentIds)
                {
                    _serviceProxy.Delete(ActivityMimeAttachment.EntityLogicalName, attachmentId);
                }

                _serviceProxy.Delete(Template.EntityLogicalName, _emailTemplateId);

                Console.WriteLine("Entity records have been deleted.");
            }
        }

        #endregion How To Sample Code

        #region Main
        /// <summary>
        /// Standard Main() method used by most SDK samples.
        /// </summary>
        /// <param name="args"></param>
        static public void Main(string[] args)
        {
            try
            {
                // Obtain the target organization's Web address and client logon 
                // credentials from the user.
                ServerConnection serverConnect = new ServerConnection();
                ServerConnection.Configuration config = serverConnect.GetServerConfiguration();

                GetEmailTemplateAttachments app = new GetEmailTemplateAttachments();
                app.Run(config, true);
            }
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
                Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
                Console.WriteLine("Message: {0}", ex.Detail.Message);
                Console.WriteLine("Plugin Trace: {0}", ex.Detail.TraceText);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
            }
            catch (System.TimeoutException ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Message: {0}", ex.Message);
                Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine(ex.Message);

                // Display the details of the inner exception.
                if (ex.InnerException != null)
                {
                    Console.WriteLine(ex.InnerException.Message);

                    FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe = ex.InnerException
                        as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
                    if (fe != null)
                    {
                        Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
                        Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
                        Console.WriteLine("Message: {0}", fe.Detail.Message);
                        Console.WriteLine("Plugin Trace: {0}", fe.Detail.TraceText);
                        Console.WriteLine("Inner Fault: {0}",
                            null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
                    }
                }
            }

            // Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
            // SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.
            finally
            {
                Console.WriteLine("Press <Enter> to exit.");
                Console.ReadLine();
            }

        }
        #endregion Main

    }
}

Voir aussi

IOrganizationService
Pièces jointes du courrier électronique
Messages et méthodes de l’entité Template (modèle de courrier électronique)
Code d’assistance : classe ServerConnection
Exemple de code pour les entités de planification et de rendez-vous
Exemple : Convertir une télécopie en tâche

Microsoft Dynamics 365

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