_execute = execute;_canExecute = canExecute;} public void Execute(object parameter){ _execute(parameter);} public bool CanExecute(object parameter){ return _canExecute == null ? true : _canExecute(parameter);} public event EventHandler CanExecuteChanged { add { CommandManager.RequerySugg...
ICommand CanExecute() not working ICommand.CanExecute in MVVM Image border Image doesn't change when ImageSource changed Image in button not showing up when execution Image is not showing in runtime. Image Quality WPF Image Refresh problem Image shows during design time but not during runtime I...
这将启用（或还原）CommandManager类，该类基于CanExecute委托处理控件的自动启用/禁用。
If you migrate a WPF application and swap the using Galasoft.MvvmLight.CommandWpf; to using Microsoft.Toolkit.Mvvm.Input; all your commands using canExecute will stop working due to the specific handling of CommandManager missing in Wind...
passing a void with no parameters method to a generic RelayCommand passing comboboxitem as command parameter Passing data between UserControls Passing data from a Parent Window(form) to a Usercontrol using C# Passing event from User Control to Parent Passing parameter to Constructor in XAML Passing...
public static ICommand CreateCommand<TState,TTrigger>( this StateMachine<TState,TTrigger>stateMachine, TTrigger trigger) { return new RelayCommand ( () => stateMachine.Fire(trigger), () => stateMachine.CanFire(trigger) ); } Once this extension method is in place, create ICommand properties on ...
I started working on the Async postfixes, which required more changes as with the renaming the auto detect CanExecute of Avalonia does not work anymore (because of different names) and there were also some issues with them anyway, do I am changing them to use the RelayCommand generator of ...
ICommand.CanExecute in MVVM Image border Image doesn't change when ImageSource changed Image in button not showing up when execution Image is not showing in runtime. Image Quality WPF Image Refresh problem Image shows during design time but not during runtime Image Sized to grid height (proport...
Button IsEnabled state not updating based on CanExecute return value I have a button in a Windows 8.1 'universal' app bound to a RelayCommand that is not updating to disabled as expected, based on the return value of CanExecute(). Implementation details are below, but ......
Button IsEnabled state not updating based on CanExecute return value I have a button in a Windows 8.1 'universal' app bound to a RelayCommand that is not updating to disabled as expected, based on the return value of CanExecute(). Implementation details are below, but ......