Improve XML docs for ICommandAttribute.IncludeCancelCommand

Author: Sergio0694

CommunityToolkit.Mvvm/Input/Attributes/ICommandAttribute.cs

@@ -83,6 +83,18 @@ public sealed class ICommandAttribute : Attribute
 
     /// <summary>
     /// Gets or sets a value indicating whether a cancel command should also be generated for an asynchronous command.
+    /// <para>
+    /// When set to <see langword="true"/>, this additional code will be generated:
+    /// <code>
+    /// partial class MyViewModel
+    /// {
+    ///     private ICommand? loginUserCancelCommand;
+    ///
+    ///     public ICommand LoginUserCancelCommand => loginUserCancelCommand ??= LoginUserCommand.CreateCancelCommand();
+    /// }
+    /// </code>
+    /// Where <c>LoginUserCommand</c> is an <see cref="IAsyncRelayCommand"/> defined in the class (or generated by this attribute as well).
+    /// </para>
     /// </summary>
     /// <remarks>Using this property is not valid if the target command doesn't map to a cancellable asynchronous command.</remarks>
     public bool IncludeCancelCommand { get; init; }