private async void bt_add_Click(object sender, RoutedEventArgs e)
{
//创建一个系统通信可以读写和其他程序制度的联系人存储
ContactStore conStore = await ContactStore.CreateOrOpenAsync(ContactStoreSystemAccessMode.ReadWrite, ContactStoreApplicationAccessMode.ReadOnly);
//新增联系人
ContactInformation conInfo = new ContactInformation();
//获取ContacInformation类的属性map表
var properties = await conInfo.GetPropertiesAsync();
//添加电话属性
properties.Add(KnownContactProperties.FamilyName, "test");
properties.Add(KnownContactProperties.Telephone, "123456789");
//创建联系人对象
StoredContact storedContact = new StoredContact(conStore, conInfo);
//获取安装包的一张图片文件用作联系人的头像
StorageFile imagefile = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync("Assets/1.jpeg");
///设置头像，将图片数据转化成Stream对象，在转化成IInputStream对象。
//打开文件的可读数据流
Stream stream = await imagefile.OpenStreamForReadAsync();
//用Stream对象转化成为IIputStream对象
IInputStream inputStream = stream.AsInputStream();
//用IInputStream 对象设置为联系人头像
await storedContact.SetDisplayPictureAsync(inputStream);
//保存联系人
await storedContact.SaveAsync();
///获取头像，接收到的图片数据为IRandomAccessStream类型，如果要展示出来，需要创建一个BitmapImage对象,
IRandomAccessStream raStream = await storedContact.GetDisplayPictureAsync();
BitmapImage bi = new BitmapImage();
bi.SetSource(raStream);
image.Source = bi;
}
private async void bt_add_Click(object sender, RoutedEventArgs e)
{
//创建一个系统通信可以读写和其他程序制度的联系人存储
ContactStore conStore = await ContactStore.CreateOrOpenAsync(ContactStoreSystemAccessMode.ReadWrite, ContactStoreApplicationAccessMode.ReadOnly);
//新增联系人
ContactInformation conInfo = new ContactInformation();
//获取ContacInformation类的属性map表
var properties = await conInfo.GetPropertiesAsync();
//添加电话属性
properties.Add(KnownContactProperties.FamilyName, "test");
properties.Add(KnownContactProperties.Telephone, "123456789");
//创建联系人对象
StoredContact storedContact = new StoredContact(conStore, conInfo);
//获取安装包的一张图片文件用作联系人的头像
StorageFile imagefile = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync("Assets/1.jpeg");
///设置头像，将图片数据转化成Stream对象，在转化成IInputStream对象。
//打开文件的可读数据流
Stream stream = await imagefile.OpenStreamForReadAsync();
//用Stream对象转化成为IIputStream对象
IInputStream inputStream = stream.AsInputStream();
//用IInputStream 对象设置为联系人头像
await storedContact.SetDisplayPictureAsync(inputStream);
//保存联系人
await storedContact.SaveAsync();
///获取头像，接收到的图片数据为IRandomAccessStream类型，如果要展示出来，需要创建一个BitmapImage对象,
IRandomAccessStream raStream = await storedContact.GetDisplayPictureAsync();
BitmapImage bi = new BitmapImage();
bi.SetSource(raStream);
image.Source = bi;
}
