XAML and WPF - Passing Variables to XAML Windows

Question

I\'m pretty new to WPF and i\'m trying to load a XAML window and pass a variable to this XAML in its constructor or so, because i need it to load some items from this passed

Answer 1

Try to use MVVM (Model-View-ViewModel) pattern.

You need Model:

class Person
{
    public string Name { get; set; }
}

View is your window or UserControl.

ViewModel can be something like that:

class PersonViewModel : INotifyPropertyChanged
{
 private Person Model;
 public ViewModel(Person model)
 {
  this.Model = model;
 }

 public string Name
 {
  get { return Model.Name; }
  set
  {
   Model.Name = value;
   OnPropertyChanged("Name");
  }
 }

 public event PropertyChangedEventHandler PropertyChanged;
 private void OnPropertyChanged(string propertyName)
 {
  var e = new PropertyChangedEventArgs(propertyName);
  PropertyChangedEventHandler changed = PropertyChanged;
  if (changed != null) changed(this, e);
 }
}

Then you need to specify DataContext for your window:

View.DataContext = new PersonViewModel(somePerson);

And then define bindings in XAML:

MVVM makes code very elegant and easy.

You can also try PRISM or Caliburn (http://caliburn.codeplex.com/) frameworks but they are more complex.