Добавлен метод-расширения для базового лкасса Command, позволяющий в fluent-интерфейсе менять описание команды

Author: Infarh

MathCore.WPF/Commands/CommandEx.cs

@@ -2,7 +2,7 @@
 
 public static class CommandEx
 {
-    public static TCommand CatchException<TCommand>(this TCommand Command, Action<Exception> Handler) 
+    public static TCommand CatchException<TCommand>(this TCommand Command, Action<Exception> Handler)
         where TCommand : Command
     {
         void Catch(object sender, ExceptionEventHandlerArgs<Exception> e) => Handler(e.Argument);
@@ -11,7 +11,7 @@ public static TCommand CatchException<TCommand>(this TCommand Command, Action<Ex
         return Command;
     }
 
-    public static TCommand CatchException<TCommand, TException>(this TCommand Command, Action<TException> Handler) 
+    public static TCommand CatchException<TCommand, TException>(this TCommand Command, Action<TException> Handler)
         where TCommand : Command
         where TException : Exception
     {
@@ -25,7 +25,7 @@ void Catch(object sender, ExceptionEventHandlerArgs<Exception> e)
         return Command;
     }
 
-    public static TCommand CatchException<TCommand>(this TCommand Command, Func<Exception, bool> Handler) 
+    public static TCommand CatchException<TCommand>(this TCommand Command, Func<Exception, bool> Handler)
         where TCommand : Command
     {
         void Catch(object sender, ExceptionEventHandlerArgs<Exception> e)
@@ -38,7 +38,7 @@ void Catch(object sender, ExceptionEventHandlerArgs<Exception> e)
         return Command;
     }
 
-    public static TCommand CatchException<TCommand, TException>(this TCommand Command, Func<TException, bool> Handler) 
+    public static TCommand CatchException<TCommand, TException>(this TCommand Command, Func<TException, bool> Handler)
         where TCommand : Command
         where TException : Exception
     {

MathCore.WPF/Extensions/CommandEx.cs

@@ -22,6 +22,18 @@ public static TCommand WithName<TCommand>(this TCommand Command, string Name, st
         return Command;
     }
 
+    /// <summary>Устанавливает описание для команды</summary>
+    /// <typeparam name="TCommand">Тип команды</typeparam>
+    /// <param name="Command">Команда</param>
+    /// <param name="Description">Описание команды</param>
+    /// <returns>Команда с установленными описанием</returns>
+    public static TCommand WithDescription<TCommand>(this TCommand Command, string? Description)
+        where TCommand : Command
+    {
+        Command.Description = Description;
+        return Command;
+    }
+
     /// <summary>Пытается выполнить команду с указанным параметром</summary>
     /// <param name="Command">Команда</param>
     /// <param name="Parameter">Параметр команды</param>