Listing2: Page Navigation with Windows Phone and Windows 8
Loading the image with ImagePageViewModel.
- By Nick Randolph
- 04/24/2012
public class ImagePageViewModel:INotifyPropertyChanged
{
public Repository Repository { get; private set; }
private FlickrImage image;
public FlickrImage Image
{
get { return image; }
set
{
if (Image == value) return;
image = value;
OnPropertyChanged("Image");
}
}
public ImagePageViewModel(Repository repository)
{
Repository = repository;
}
public async void Load(string title)
{
var images = await Repository.Load();
Image = (from img in images
where img.Title == title
select img).FirstOrDefault();
}
public event PropertyChangedEventHandler PropertyChanged;
public void OnPropertyChanged(string propertyName)
{
if(PropertyChanged!=null)
PropertyChanged(this,
new PropertyChangedEventArgs(propertyName));
}
}
About the Author
Nick Randolph runs Built to Roam, a consulting company that specializes in training, mentoring and assisting other companies build mobile applications. With a heritage in rich client applications for both the desktop and a variety of mobile platforms, Nick currently presents, writes and educates on the Windows Phone platform.