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Xamarin Essentials
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| //UnitConverterPageViewModel | |
| private string _kilometers; | |
| public string Kilometers | |
| { | |
| get { return _kilometers; } | |
| set | |
| { | |
| SetProperty(ref _kilometers, value); | |
| } | |
| } | |
| public DelegateCommand<object> ConvertToKilometer { get; set; } | |
| public UnitConverterPageViewModel() | |
| { | |
| ConvertToKilometer = new DelegateCommand<object>(ToKilometers); | |
| } | |
| private void ToKilometers(object Miles) | |
| { | |
| _kilometers = UnitConverters.MilesToKilometers(Convert.ToDouble(Miles)).ToString(); | |
| RaisePropertyChanged("Kilometers"); | |
| } | |
| //UnitConverterPage | |
| public partial class UnitConverterPage : ContentPage | |
| { | |
| UnitConverterPageViewModel objUnitConverterViewModel; | |
| public UnitConverterPage() | |
| { | |
| InitializeComponent(); | |
| this.BindingContext = objUnitConverterViewModel = new UnitConverterPageViewModel(); | |
| } | |
| private void Entry_TextChanged(object sender, TextChangedEventArgs e) | |
| { | |
| if(e.OldTextValue!=null) | |
| { | |
| return; | |
| } | |
| if (e.NewTextValue != null) | |
| { | |
| double textValue=Convert.ToInt64(e.NewTextValue); | |
| objUnitConverterViewModel.ConvertToKilometer.Execute(textValue); | |
| } | |
| } | |
| } | |
| //Xaml | |
| <StackLayout Margin="20"> | |
| <Label Text="Miles" ></Label> | |
| <Entry Text="{Binding Miles}" TextChanged="Entry_TextChanged"/> | |
| <Label Text="Killometers"/> | |
| <Label Text="{Binding Kilometers}"/> | |
| </StackLayout> |
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