How to Properly Handle Cross-thread Events and Update a Label with BeginInvoke and BackgroundWorker

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 ( "EventHandlingExample" )]
[assembly: AssemblyDescription ( "" )]
[assembly: AssemblyConfiguration ( "" )]
[assembly: AssemblyCompany ( "World Bombers" )]
[assembly: AssemblyProduct ( "EventHandlingExample" )]
[assembly: AssemblyCopyright ( "Copyright © World Bombers 2008" )]
[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 ( "f9525da3-261f-4d2e-b33d-a9d6895aa1e5" )]

// Version information for an assembly consists of the following four values:
//
//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Build and Revision Numbers 
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion ( "1.0.0.0" )]
[assembly: AssemblyFileVersion ( "1.0.0.0" )]