Initial Commit

PortfolioManager/Command/RelayCommand.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+//using System.Windows.Input;
+using System.Diagnostics;
+using System.Text;
+using Avalonia.Labs.Input;
+using CommunityToolkit.Mvvm.Input;
+
+namespace PortfolioManager.Command
+{
+  public class MyRelayCommand : IRelayCommand
+  {
+    readonly Action<object> execute;
+    readonly Predicate<object> canExecute;
+    public MyRelayCommand(Action<object> execute)
+      : this(execute, null)
+    {
+    }
+
+    public MyRelayCommand(Action<object> execute, Predicate<object> canExecute)
+    {
+      if (execute == null) throw new ArgumentNullException("execute");
+      this.execute = execute;
+      this.canExecute = canExecute;
+    }
+
+    [DebuggerStepThrough]
+    public bool CanExecute(object parameter)
+    {
+      return canExecute == null ? true : canExecute(parameter);
+    }
+
+    public event EventHandler CanExecuteChanged
+    {
+      add
+      {
+        //       CommandManager.RequerySuggested += value;
+      }
+      remove
+      {
+        //       CommandManager.RequerySuggested -= value;
+      }
+    }
+
+    public void Execute(object parameter)
+    {
+      execute(parameter);
+    }
+
+    public void NotifyCanExecuteChanged()
+    {
+    }
+  }
+}