Some New Features in the .Net Framework 4.5, 4.5.1 and 4.5.2

Microsoft has designed the .Net as a software development that helps programmers to rapidly create, run and deploy both applications and services. The programmers can use .Net technologies to create a wide variety of desktop applications, websites, internet applications and web services. Microsoft further frequently updates the framework to make it easier for programmers to create large and complex applications. Microsoft releases .Net 4.5 in August 2012, .Net 4.5.1 in October 2013, and .Net 4.5.2 in May 2014.

New Features in .Net Framework 4.5

• The version 4.5 supports arrays whose size exceeds 2 gigabytes (GB) on 64-bit platform. The programmers can enable the feature in the application configuration by modifying the restrictions on the size of arrays and objects.
• It also came with background garbage collection for servers to improve the application’s performance. When a programmer uses the server garbage collection, the background garbage collection gets enabled automatically.
• The .Net 4.5 further improves the application’s performance by supporting background just-in-time (JIT) compilation. The programmers can avail the compilation optionally on multi-core processors.
• It also enables developers to define default culture for an application domain. At the same time, the programmer can further decide the time out for resolving regular expressions by the regular expression engine.
• The version 4.5 also includes several networking improvements including a new interface for HTTP applications and
• The .Net framework 4.5 also includes several changes and improvements in Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF) and Windows Workflow Foundation (WF).

New Features in .Net Framework 4.5.1

• The version 4.5.1 came with several new features to improve the applications’ performance. Some of these application performance improvement features include on-demand large-object heap compaction, improved multi-core JIT compilations, and ASP.Net application suspension.
• .Net framework 4.5.1 also came with several improved debugging features. It aims to help programmers in debugging application by supporting 64-bit edit, ADO.NET connection resiliency and enhanced asynchronous debugging.
• The programmers also have option use the Method return value while debugging using Autos Window as well as a pseudo variable $ReturnValue or Autos Window to inspect the return value of method during debugging.
• It also included improved exception support for Windows Runtime components. When the .Net application is being developed on Windows 8.1, the Windows Store apps will capture and preserve the error that caused the exception by eliminating programming language barriers.
• The .Net 4.5.1 further enabled programmers to improve the performance of web server and cloud based application by collecting diagnostics information. The developers also have option to compact the large object heap (LOH) explicitly during garbage collection.

New Features in .Net Framework 4.5.2

• The .Net framework 4.5.2 came with new APIs for ASP.Net applications. The new APIs enabled programmers to inspect and modify the response headers and status codes, while the HTTP response is being sent to the client applications.
• The programmers can further schedule small background Async work items by using the new method HostingEnvironment.QueueBackgroundWorkItem. Likewise, they can check if the response headers are written or not by using the new properties HttpResponse.HeadersWritten and HttpResponseBase.HeadersWritten. These properties return Boolean values to indicate if the headers are written.
• The version 4.5.2 further allowed programmers to resize various components of the Windows Form controls by using the system DPI setting. The developers can use the app.config setting to manipulate a variety of form controls including Cursor, DataGridView, DataGridViewComboBoxColumn, ToolStripMenuItem, ComboBox and ToolStripComboBox.

Microsoft has further previewed .Net framework 4.6 with 64-bit JIT compiler for managed code, ASP.NET 5 and several changes on base libraries. It further aims to extend the programming platform for major platforms including Linux and Mac OS. So the programmers can always switch to the most recent version of .Net framework to avail several new features and improved capabilities.

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