chakkaradeep

public static async Task Create(MyContact myContact)
{
    //create the Exchange contact
    IContact contact = new Contact();
    contact.GivenName = myContact.Name;
    contact.DisplayName = myContact.Name;
    contact.EmailAddress1 = myContact.Email;
    contact.JobTitle = myContact.JobTitle;

    //add the contact

chakkaradeep

public static async Task<ObservableCollection<MyContact>> GetContacts()
{
    ObservableCollection<MyContact> myContactList = new ObservableCollection<MyContact>();

    //query contacts
    var contactsResults = await _exchangeClient.Me.Contacts.OrderBy(c=>c.DisplayName).ExecuteAsync();

    //fetches the first 50 contacts
    //default page count is 50
    var contacts = contactsResults.CurrentPage.ToList();

chakkaradeep

public static async Task<byte[]> GetContactImage(string strContactId)
{
    byte[] bytesContactPhoto = new byte[0];

    //query the contact by contact Id
    //GetById is broken so you need to use this instead
    var contact = await _exchangeClient.Me.Contacts[strContactId].ExecuteAsync();

    if (contact != null)
    {

chakkaradeep

public static async Task<bool> Update(MyContact myContact)
{            
    bool bStatus = false;

    //myContact is my business object
    //query the contact by contact Id
    //GetById is broken so you need to use this instead
    var contact = await _exchangeClient.Me.Contacts[myContact.Id].ExecuteAsync();

    if (contact != null)

chakkaradeep

public static async Task<bool> Delete(string strContactId)
{
    bool bStatus = false;

    //query the contact by contact Id
    //GetById is broken so you need to use this instead
    var contact = await _exchangeClient.Me.Contacts[strContactId].ExecuteAsync();

    if (contact != null)
    {

chakkaradeep

public static async Task<ObservableCollection<MyFile>> GetMyFiles()
{
    ObservableCollection<MyFile> myFilesList = new ObservableCollection<MyFile>();

    var filesResults = await _spFilesClient.Files.ExecuteAsync();

    var files = filesResults.CurrentPage.OfType<Microsoft.Office365.SharePoint.File>().ToList();

    foreach (var file in files)
    {

chakkaradeep

public static async Task<ObservableCollection<MyFile>> GetMyFiles(string strFolderName)
{
    //MyFile is the business object
    ObservableCollection<MyFile> myFilesList = new ObservableCollection<MyFile>();

    //get the files from the folder
    var filesResults = await _spFilesClient.Files[strFolderName].ToFolder().Children.ExecuteAsync();

    //get the results from current page
    var files = filesResults.CurrentPage.OfType<Microsoft.Office365.SharePoint.File>().ToList();

chakkaradeep

public static async Task<Stream> GetFileContent(string strFileId)
{
    var file = (IFileFetcher)(await _spFilesClient.Files.GetById(strFileId).ToFile().ExecuteAsync());

    var streamFileContent = await file.DownloadAsync();

    streamFileContent.Seek(0, System.IO.SeekOrigin.Begin);

    return streamFileContent;
}

chakkaradeep

public static async Task<MyFile> Create(string strFileName, Stream streamFileContent)
{
    //MyFile is the business object
    MyFile myFile = null;

    //add the file to OneDrive
    //file name will be the full file name along with the extension
    IFile file = await _spFilesClient.Files.AddAsync(strFileName, true, streamFileContent);

    if (file != null)

chakkaradeep

public static async Task Update(MyFile myFile, Stream streamFileContent)
{
    var file = await _spFilesClient.Files.GetById(myFile.Id).ToFile().ExecuteAsync();

    file.Name = myFile.Name;

    await file.UpdateAsync();           
}