Ghost1372

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Command

You can use commands to use in the MVVM pattern, Different types of commands are available.

RelayCommand

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inherited from `ICommand`
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private ICommand itemInvokedCommand;

public ICommand ItemInvokedCommand => itemInvokedCommand ?? (itemInvokedCommand = new RelayCommand<string>(OnItemInvoked));

public void OnItemInvoked(string arg)
{

}

DelegateCommand

Implementation of ICommand where the Execute and CanExecute callbacks are handled by delegates.

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public ICommand AddItems { get; }

public TestViewModel()
{
    AddItems = DelegateCommand.Create(OnAddItems);
}

private void AddItemsImpl()
{
    Debug.WriteLine("Hello");
}

you can use IDelegateCommand Instead of ICommand

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