Delete Workbench directory

移除不要的文件夹

Workbench/Node/RelayCommand.cs

@@ -1,26 +0,0 @@
-using System.Windows.Input;
-
-namespace Serein.Workbench.Node
-{
-
-    public class RelayCommand : ICommand
-    {
-        private readonly Action<object> _execute;
-        private readonly Func<object, bool> _canExecute;
-
-        public RelayCommand(Action<object> execute, Func<object, bool> canExecute = null)
-        {
-            _execute = execute;
-            _canExecute = canExecute;
-        }
-
-        public event EventHandler CanExecuteChanged;
-
-        public bool CanExecute(object parameter) => _canExecute == null || _canExecute(parameter);
-
-        public void Execute(object parameter) => _execute(parameter);
-
-        public void RaiseCanExecuteChanged() => CanExecuteChanged?.Invoke(this, EventArgs.Empty);
-    }
-
-}