v1.2

FSI.BT.Tools/Global/Helpers/RelayCommand.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Windows.Input;
+
+namespace FSI.BT.Tools.Global.Helpers
+{
+    public class RelayCommand : ICommand
+    {
+        private Action action;
+
+        private Func<bool> condition;
+
+        public event EventHandler CanExecuteChanged
+        {
+            add { CommandManager.RequerySuggested += value; }
+            remove { CommandManager.RequerySuggested -= value; }
+        }
+
+        public RelayCommand(Action action)
+        {
+            this.action = action;
+            condition = () => true;
+        }
+
+        public RelayCommand(Action action, bool condition)
+        {
+            this.action = action;
+            this.condition = () => condition;
+        }
+
+        public RelayCommand(Action action, Func<bool> condition)
+        {
+            this.action = action;
+            this.condition = condition;
+        }
+
+        public bool CanExecute(object parameter)
+        {
+            return condition.Invoke();
+        }
+
+        void ICommand.Execute(object parameter)
+        {
+            action.Invoke();
+        }
+    }
+}