ViewModelHelper

• Package: MyToolkit.Extended
• Platforms: WinRT, UWP

Provides static methods for connecting a view model to a view.

Static methods:

• RegisterViewModel: Registers the view model life cycle events and calls the initialize method. See ViewModelBase for more information.
• BindViewModelToStatusBarProgress: Binds the ViewModelBase's IsLoading property to the Windows Phone system tray ProgressIndicator.

The static methods should be called in the view's constructor:

public sealed partial class MyPage
{
    public MyPageModel Model 
	{ 
		get { return (MyPageModel)Resources["ViewModel"]; } 
	}

    public MainPage()
    {
        InitializeComponent();
        ViewModelHelper.RegisterViewModel(Model, this); 
        ViewModelHelper.BindViewModelToStatusBarProgress(Model); 
    }
}

The class MtPage directly provides the RegisterViewModel() and BindViewModelToStatusBarProgress() methods which internally call the ViewModelHelper methods:

public sealed partial class MyPage
{
    public MyPageModel Model 
	{ 
		get { return (MyPageModel)Resources["ViewModel"]; } 
	}

    public MainPage()
    {
        InitializeComponent();
        RegisterViewModel(Model); 
        BindViewModelToStatusBarProgress(Model);
    }
}