private void Edit() { if(SelectedModel != null) { this.Frame.Navigate(typeof(EditPagePage1)); } }
<Button Content="Edit" Command="{Binding EditCommand}" HorizontalAlignment="Left" Margin="804,473,0,0" VerticalAlignment="Top"/>
public class RelayCommand : ICommand { private readonly Action _execute; private readonly Func<bool> _canExecute; /// <summary> /// Raised when RaiseCanExecuteChanged is called. /// </summary> public event EventHandler CanExecuteChanged; /// <summary> /// Creates a new command that can always execute. /// </summary> /// <param name="execute">The execution logic.</param> public RelayCommand(Action execute) : this(execute, null) { } /// <summary> /// Creates a new command. /// </summary> /// <param name="execute">The execution logic.</param> /// <param name="canExecute">The execution status logic.</param> public RelayCommand(Action execute, Func<bool> canExecute) { if (execute == null) throw new ArgumentNullException("execute"); _execute = execute; _canExecute = canExecute; } /// <summary> /// Determines whether this <see cref="RelayCommand"/> can execute in its current state. /// </summary> /// <param name="parameter"> /// Data used by the command. If the command does not require data to be passed, this object can be set to null. /// </param> /// <returns>true if this command can be executed; otherwise, false.</returns> public bool CanExecute(object parameter) { return _canExecute == null ? true : _canExecute(); } /// <summary> /// Executes the <see cref="RelayCommand"/> on the current command target. /// </summary> /// <param name="parameter"> /// Data used by the command. If the command does not require data to be passed, this object can be set to null. /// </param> public void Execute(object parameter) { _execute(); } /// <summary> /// Method used to raise the <see cref="CanExecuteChanged"/> event /// to indicate that the return value of the <see cref="CanExecute"/> /// method has changed. /// </summary> public void RaiseCanExecuteChanged() { var handler = CanExecuteChanged; if (handler != null) { handler(this, EventArgs.Empty); } }
var
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