public static void Run()
{
// Create and initialize credentials
var credentials = new NetworkCredential("username", "12345");
// Create instance of ExchangeClient class by giving credentials
IEWSClient client = EWSClient.GetEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");
// Get all tasks info collection from exchange
ExchangeMessageInfoCollection tasks = client.ListMessages(client.MailboxInfo.TasksUri);
// Parse all the tasks info in the list
foreach (ExchangeMessageInfo info in tasks)
{
// Fetch task from exchange using current task info
ExchangeTask task = client.FetchTask(info.UniqueUri);
// Update the task status to NotStarted
task.Status = ExchangeTaskStatus.NotStarted;
// Set the task due date
task.DueDate = new DateTime(2013, 2, 26);
// Set task priority
task.Priority = MailPriority.Low;
// Update task on exchange
client.UpdateTask(task);
}
Console.WriteLine(Environment.NewLine + "Task updated on Exchange Server successfully.");
}
public static void Run()
{
// ExStart:FilterTasksFromServer
// Set mailboxURI, Username, password, domain information
string mailboxUri = "https://ex2010/ews/exchange.asmx";
string username = "******";
string password = "******";
string domain = "ex2010.local";
NetworkCredential credentials = new NetworkCredential(username, password, domain);
IEWSClient client = EWSClient.GetEWSClient(mailboxUri, credentials);
ExchangeQueryBuilder queryBuilder = null;
MailQuery query = null;
ExchangeTask fetchedTask = null;
ExchangeMessageInfoCollection messageInfoCol = null;
client.TimezoneId = "Central Europe Standard Time";
Array values = Enum.GetValues(typeof(ExchangeTaskStatus));
//Now retrieve the tasks with specific statuses
foreach (ExchangeTaskStatus status in values)
{
queryBuilder = new ExchangeQueryBuilder();
queryBuilder.TaskStatus.Equals(status);
query = queryBuilder.GetQuery();
messageInfoCol = client.ListMessages(client.MailboxInfo.TasksUri, query);
fetchedTask = client.FetchTask(messageInfoCol[0].UniqueUri);
}
//retrieve all other than specified
foreach (ExchangeTaskStatus status in values)
{
queryBuilder = new ExchangeQueryBuilder();
queryBuilder.TaskStatus.NotEquals(status);
query = queryBuilder.GetQuery();
messageInfoCol = client.ListMessages(client.MailboxInfo.TasksUri, query);
}
//specifying multiple criterion
ExchangeTaskStatus[] selectedStatuses = new ExchangeTaskStatus[]
{
ExchangeTaskStatus.Completed,
ExchangeTaskStatus.InProgress
};
queryBuilder = new ExchangeQueryBuilder();
queryBuilder.TaskStatus.In(selectedStatuses);
query = queryBuilder.GetQuery();
messageInfoCol = client.ListMessages(client.MailboxInfo.TasksUri, query);
queryBuilder = new ExchangeQueryBuilder();
queryBuilder.TaskStatus.NotIn(selectedStatuses);
query = queryBuilder.GetQuery();
messageInfoCol = client.ListMessages(client.MailboxInfo.TasksUri, query);
//ExEnd:FilterTasksFromServer
}
public static void Run()
{
// ExStart:DeleteTaskOnExchange
// Create instance of ExchangeClient class by giving credentials
IEWSClient client = EWSClient.GetEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");
// Get all tasks info collection from exchange
ExchangeMessageInfoCollection tasks = client.ListMessages(client.MailboxInfo.TasksUri);
// Parse all the tasks info in the list
foreach (ExchangeMessageInfo info in tasks)
{
// Fetch task from exchange using current task info
ExchangeTask task = client.FetchTask(info.UniqueUri);
// Check if the current task fulfills the search criteria
if (task.Subject.Equals("test"))
{
//Delete task from exchange
client.DeleteItem(task.UniqueUri, DeletionOptions.DeletePermanently);
}
}
// ExEnd:DeleteTaskOnExchange
}