Added refactorings suggested by Simon Cropp

WorkItemsGroupDemo/Form1.cs

@@ -1,9 +1,6 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
 using System.Drawing;
-using System.Text;
 using System.Windows.Forms;
 using UsageControl;
 using Amib.Threading;
@@ -180,7 +177,7 @@ namespace WorkItemsGroupDemo
         {
             lblStatus6.Text = _stp.IsIdle ? "Idle" : "Working";
 
-            object [] statesWorking = null;
+            object[] statesWorking;
             lock (_workingStates.SyncRoot)
             {
                 statesWorking = new object[_workingStates.Count];

WorkItemsGroupDemo/Program.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Windows.Forms;
 
 namespace WorkItemsGroupDemo

WorkItemsGroupDemo/Properties/AssemblyInfo.cs

@@ -1,10 +1,6 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
 [assembly: AssemblyTitle("WindowsApplication1")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
@@ -13,21 +9,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCopyright("Copyright ©  2006")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
 [assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("68872ba4-6524-406b-9c96-cf8ca3f4c729")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]