CRM operation email

Using system;
Using Microsoft. xrm. SDK;
Using Microsoft. CRM. SDK. messages;
Using Microsoft. xrm. SDK. query;

/// <Summary>
/// Email
/// </Summary>
Public class emailhelper
{
Public static readonly string entityname = "email ";
Public guid emailid = guid. empty;
Public iorganizationservice service;

/// <Summary>
/// Create an email
/// </Summary>
Public void create ()
{
Entity en = new entity ();
En ["subject"] = "email test ";
En ["activityid"] = guid. newguid ();
Emailid = service. Create (en );
}

/// <Summary>
/// Send an email Asynchronously
/// </Summary>
/// <Param name = "query"> query conditions </param>
Public void backgroundsendemail (querybase query)
{
Backgroundsendemailrequest request = new backgroundsendemailrequest ();
Request. query = query;
Backgroundsendemailresponse response = (backgroundsendemailresponse) service. Execute (request );
Entitycollection = response. entitycollection;
Bool [] hasattachments = response. hasattachments;
}

/// <Summary>
/// Check whether incoming emails should be upgraded to Microsoft Dynamics CRM System
/// </Summary>
/// <Param name = "messageid"> message id </param>
/// <Param name = "subject"> topic </param>
Public void checkpromoteemail (string messageid, string subject)
{
Checkpromoteemailrequest request = new checkpromoteemailrequest ();
Request. messageid = messageid;
Request. Subject = subject;
Checkincomingemailresponse response = (checkincomingemailresponse) service. Execute (request );
Int reasoncode = response. reasoncode;
Bool shoulddeliver = response. shoulddeliver;
}

/// <Summary>
/// Send batch emails
/// </Summary>
/// <Param name = "query"> query conditions </param>
/// <Param name = "templateid"> template id </param>
Public void sendbulkmail (querybase query, guid templateid)
{
Whoamirequest emailsenderrequest = new whoamirequest ();
Whoamiresponse emailsenderresponse = service. Execute (emailsenderrequest) as whoamiresponse;
Sendbulkmailrequest request = new sendbulkmailrequest ();
Request. query = query;
Request. Sender = new entityreference () {logicalname = "systemuser", id = emailsenderresponse. userid };
Request. requestid = guid. empty;
Request. regardingtype = "systemuser ";
Request. templateid = templateid;
Sendbulkmailresponse response = (sendbulkmailresponse) service. Execute (request );
}

/// <Summary>
/// Use the template to send an email
/// </Summary>
/// <Param name = "userid"> sender, user id </param>
/// <Param name = "contractid"> recipient and contact id </param>
/// <Param name = "templateid"> template id </param>
Public void sendemailfromtemplate (guid userid, guid contractid, guid templateid)
{
Entity fromen = new entity () {logicalname = "systemuser", id = userid };
Entity toen = new entity () {logicalname = "contract", id = contractid };
Entity emailen = new entity () {logicalname = entityname };
Emailen ["from"] = new entity [] {fromen };
Emailen ["to"] = new entity [] {toen };
Emailen ["subject"] = "email sending test ";
Emailen ["directioncode"] = true;
Sendemailfromtemplaterequest request = new sendemailfromtemplaterequest ();
Request. Target = emailen;
Request. templateid = templateid;
Request. regardingid = contractid;
Request. regardingtype = "contract ";
Sendemailfromtemplateresponse response = (sendemailfromtemplateresponse) service. Execute (request );
Guid id = response. ID;
}

/// <Summary>
/// Send an email
/// </Summary>
Public void sendemail ()
{
Sendemailrequest request = new sendemailrequest ();
Request. emailid = emailid;
Request. issuesend = true;
Request. trackingtoken = "";
Sendemailresponse response = (sendemailresponse) service. Execute (request );
String subject = response. subject;
}

/// <Summary>
/// Obtain the key used to encrypt or decrypt the email creden of users or queues stored in the Microsoft Dynamics CRM Database
/// </Summary>
Public void getdecryptionkey ()
{
Getdecryptionkeyrequest request = new getdecryptionkeyrequest ();
Getdecryptionkeyresponse response = (getdecryptionkeyresponse) service. Execute (request );
String key = response. Key;
}

/// <Summary>
/// Delete the email
/// </Summary>
Public void Delete ()
{
Service. Delete (entityname, emailid );
}
}

CRM operation email