Data Binding 

INotifyPropertyChanged 

Typical ViewModel Property 

One Way Binding PersonViewModel FirstName LastName DateOfBirth First Name Jon Last Name Doe Date of birth 12/07/1989 

UI Syntax 

Two Way Binding PersonViewModel FirstName LastName DateOfBirth First Name Jon Last Name Doe Date of birth 12/07/1989 

UI Syntax 

Value Conversion PersonViewModel FirstName LastName DateOfBirth First Name Jon Last Name Doe Age 24 “Age” Conversion 

IMvxValueConverter 

AgeValueConverter 

UI Syntax 

UI Syntax 

Binding Actions PersonViewModel FirstName LastName DateOfBirth First Name Jon Last Name Doe Date of birth 12/07/1989 AddCommand 

ICommand 

Typical ViewModel Command 

UI Syntax 

Collections PeopleViewModel Hackers List Greg Jon Daniel Cool Hackers Jon @redth Greg @gshackles Daniel @dsplaisted Tomasz Tomasz @cheesebar 

INotifyCollectionChanged 

ObservableCollection 

ViewModel Collection Property 

UI Syntax 

UI Syntax 

UI Syntax 

UI Syntax 

Data-Binding to Sub-Objects • Works using normal . and [] chaining: • obeys INotifyPropertyChanged at every step 

Samples DataBinding: https://github.com/slodge/MvvmCross-Tutorials/tree/master/TipCalc Collections: https://github.com/slodge/MvvmCross- Tutorials/tree/master/Working%20With%20Collections ValueConverters: https://github.com/slodge/MvvmCross- Tutorials/tree/master/ValueConversion