Add parameter support to DelegateCommand

nuget/Caliburn.Light.nuspec

@@ -3,15 +3,15 @@
   <metadata>
     <id>Caliburn.Light</id>
     <title>Caliburn.Light</title>
-    <version>1.1.0</version>
+    <version>1.2.0</version>
     <authors>Thomas Ibel</authors>
     <description>Fork of Caliburn.Micro that integrates some ideas of Prism and MVVMLight including a modular approach and weak events.</description>
     <language>en-US</language>
     <licenseUrl>https://github.com/tibel/Caliburn.Light/raw/master/LICENSE</licenseUrl>
     <projectUrl>https://github.com/tibel/Caliburn.Light</projectUrl>
     <iconUrl>https://github.com/tibel/Caliburn.Light/raw/master/logo.png</iconUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <releaseNotes>Add support for special values.</releaseNotes>
+    <releaseNotes>Add parameter support to DelegateCommand.</releaseNotes>
     <copyright>Copyright Thomas Ibel 2014</copyright>
     <tags>Caliburn MVVM WPF WP8 WinRT Screen Coroutine EventAggregator Behavior Model-View-ViewModel Presentation UI ViewModel Phone IoC Validation Command</tags>
 

src/Caliburn.Core/Action/DelegateCommand.cs

@@ -12,6 +12,7 @@ namespace Caliburn.Light
     /// <summary>
     /// Wraps a ViewModel method (with guard) in an <see cref="ICommand"/>.
     /// </summary>
+    /// <remarks>When using a property as guard then <see cref="CanExecuteChanged"/> is raised automatically.</remarks>
     public sealed class DelegateCommand : ICommand
     {
         private readonly object _target;
@@ -31,6 +32,17 @@ public static DelegateCommand Create(Action action)
             return CreateInternal(action);
         }
 
+        /// <summary>
+        /// Creates a new <see cref="DelegateCommand"/> from the specified <paramref name="action"/>.
+        /// </summary>
+        /// <typeparam name="T">The type of the parameter.</typeparam>
+        /// <param name="action">The action.</param>
+        /// <returns>The new <see cref="DelegateCommand"/>.</returns>
+        public static DelegateCommand Create<T>(Action<T> action)
+        {
+            return CreateInternal(action);
+        }
+
         /// <summary>
         /// Creates a new <see cref="DelegateCommand"/> from the specified <paramref name="action"/>.
         /// </summary>
@@ -42,14 +54,24 @@ public static DelegateCommand Create<TResult>(Func<TResult> action)
             return CreateInternal(action);
         }
 
+        /// <summary>
+        /// Creates a new <see cref="DelegateCommand"/> from the specified <paramref name="action"/>.
+        /// </summary>
+        /// <typeparam name="T">The type of the parameter.</typeparam>
+        /// <typeparam name="TResult">The type of the result.</typeparam>
+        /// <param name="action">The action.</param>
+        /// <returns>The new <see cref="DelegateCommand"/>.</returns>
+        public static DelegateCommand Create<T, TResult>(Func<T, TResult> action)
+        {
+            return CreateInternal(action);
+        }
+
         private static DelegateCommand CreateInternal(Delegate action)
         {
             if (action == null)
                 throw new ArgumentNullException("action");
             if (action.Target == null)
                 throw new ArgumentException("Method cannot be static.", "action");
-            if (action.GetMethodInfo().IsClosure())
-                throw new ArgumentException("A closure cannot be used.", "action");
 
             return new DelegateCommand(action.Target, action.GetMethodInfo());
         }

src/GlobalAssemblyInfo.cs

@@ -14,5 +14,5 @@
 [assembly: CLSCompliant(true)]
 #endif
 
-[assembly: AssemblyVersion("1.1.0.0")]
-[assembly: AssemblyFileVersion("1.1.0.0")]
+[assembly: AssemblyVersion("1.2.0.0")]
+[assembly: AssemblyFileVersion("1.2.0.0")]