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Athanasius Petrov
Athanasius Petrov
June 18, 2023

How PostSharp v6.4.5 Enterprise Can Save You Time and Effort in C# Development


SharpCrafters PostSharp v6.4.5 Enterprise: A Powerful Tool for C# Developers




If you are a C# developer, you know how tedious and error-prone it can be to write repetitive code, such as logging, caching, threading, or validation. You also know how important it is to ensure the quality and maintainability of your code, especially when working in a team or on a large project.




SharpCrafters PostSharp v6.4.5 Enterprise



Fortunately, there is a tool that can help you with these challenges and more: PostSharp, a modern Roslyn-based meta-programming framework for C# teams and solo developers.


In this article, we will introduce you to PostSharp v6.4.5 Enterprise, the latest version of this powerful tool, and show you how to download, install, and use it in your projects. We will also highlight some of the new features and improvements that make PostSharp v6.4.5 Enterprise even more useful and reliable.


What is PostSharp and why do you need it?




PostSharp is a meta-programming framework for C#, which means that it allows you to write code that modifies or enhances other code at compile time or runtime. This way, you can avoid writing boilerplate code, implement cross-cutting concerns, verify code contracts, and provide coding assistance to your team members.


PostSharp is a meta-programming framework for C#




PostSharp works by injecting aspects into your code, which are reusable pieces of code that encapsulate some common functionality or behavior. For example, you can use an aspect to add logging to a method, or to cache its return value, or to check its preconditions and postconditions.


Aspects can be applied declaratively using attributes, or imperatively using fluent API. You can also create your own custom aspects using C# or any .NET language.


PostSharp operates at two levels: MSIL rewriting and Roslyn analysis.



  • MSIL rewriting is the original technique used by PostSharp since its inception in 2004. It modifies the intermediate language (MSIL) code produced by the C# compiler before it is compiled into native code by the .NET runtime. This way, PostSharp can add or change any functionality in your code without modifying the source code.



  • Roslyn analysis is the newer technique introduced by PostSharp in 2018. It leverages the Roslyn compiler platform to analyze your source code at compile time or design time, and provide you with diagnostics, code fixes, refactorings, quick actions, smart tags, and other features that enhance your coding experience.



PostSharp helps you reduce boilerplate, verify code, and provide coding assistance




By using PostSharp, you can benefit from several advantages that will make your development process faster, easier, and more reliable.



  • You can reduce boilerplate code by applying aspects that implement common patterns or concerns in your code. For example, you can use the [NotifyPropertyChanged] aspect to implement the INotifyPropertyChanged interface in your view models without writing any property change notification code.



  • You can verify code contracts by applying aspects that check the preconditions, postconditions, and invariants of your methods, properties, and fields. For example, you can use the [Contract] aspect to specify the contracts of your code using C# expressions, and PostSharp will generate the necessary assertions and exceptions at runtime.



  • You can provide coding assistance by using PostSharp's Roslyn-based features that help you write better code faster. For example, you can use the [Immutable] aspect to mark your classes as immutable, and PostSharp will warn you if you try to modify them, and offer you a code fix to make a copy instead.



PostSharp supports various platforms and features




PostSharp is compatible with a wide range of platforms and features that make it suitable for any kind of C# project.



  • PostSharp supports .NET Framework 4.6.1+, .NET Core 2.1+, .NET Standard 2.0+, and .NET 5.0+. It also supports Xamarin, Unity, Blazor, and UWP.



  • PostSharp integrates with Visual Studio 2017, 2019, and 2022. It also works with other IDEs and editors that support Roslyn, such as Visual Studio Code, Rider, or Visual Studio for Mac.



  • PostSharp offers a rich set of features that cover various aspects of C# development, such as logging, caching, threading, validation, undo/redo, exception handling, design patterns, aspect-oriented programming, code contracts, immutability, nullability, and more.



How to download and install PostSharp v6.4.5 Enterprise




If you are interested in trying out PostSharp v6.4.5 Enterprise, you can download it from the official website or from NuGet. You can also request a free trial license or purchase a subscription if you want to use PostSharp in your commercial projects.


Download options and requirements




There are two main ways to download PostSharp v6.4.5 Enterprise: as a Visual Studio extension or as a NuGet package.



  • The Visual Studio extension includes the PostSharp Tools for Visual Studio, which provide you with the Roslyn-based features of PostSharp, such as diagnostics, code fixes, refactorings, quick actions, smart tags, and more. You can download the extension from the Visual Studio Marketplace or from the PostSharp website. The extension requires Visual Studio 2017 or later.



  • The NuGet package includes the PostSharp Framework Libraries, which provide you with the MSIL-rewriting features of PostSharp, such as aspects, patterns, contracts, immutability, nullability, and more. You can download the package from NuGet.org or from the PostSharp website. The package requires .NET Framework 4.6.1+ or .NET Core 2.1+.



You can also download both the extension and the package together as a single installer from the PostSharp website. This is recommended if you want to use all the features of PostSharp in your projects.


In addition to downloading PostSharp v6.4.5 Enterprise, you also need to have a valid license key to activate it. You can request a free trial license for 45 days or purchase a subscription for one year or more. You can also use a community license if you meet the eligibility criteria.


Installation steps and activation




The installation steps depend on how you downloaded PostSharp v6.4.5 Enterprise.



  • If you downloaded the Visual Studio extension, you need to run the installer and follow the instructions on the screen. The installer will automatically detect your Visual Studio versions and install the extension for each one. You can also install the extension manually from within Visual Studio by going to Extensions > Manage Extensions > Online > Search for PostSharp > Download > Install.



  • If you downloaded the NuGet package, you need to add it as a dependency to your project using your preferred method (Package Manager Console, Package Manager UI, or .NET CLI). You can also install the package manually by downloading it from NuGet.org or from the PostSharp website and adding it as a reference to your project.



  • If you downloaded both the extension and the package together as a single installer, you need to run the installer and follow the instructions on the screen. The installer will automatically detect your Visual Studio versions and install the extension for each one, and also add the package as a dependency to your project.



After installing PostSharp v6.4.5 Enterprise, you need to activate it using your license key. You can do this by going to Tools > PostSharp > Options > License in Visual Studio, or by using the PostSharp License Manager application that is installed with PostSharp. You can also activate PostSharp online or offline, depending on your preference.


Troubleshooting tips




If you encounter any issues while downloading, installing, or activating PostSharp v6.4.5 Enterprise, you can try some of the following tips:



  • Make sure you have the latest version of Visual Studio and .NET installed on your machine.



  • Make sure you have a stable internet connection and enough disk space for PostSharp.



  • Make sure you have the correct license key for PostSharp v6.4.5 Enterprise, and that it is not expired or already in use by another machine.



  • Make sure you have the appropriate permissions to install and run PostSharp on your machine.



  • Make sure you restart Visual Studio after installing or updating PostSharp.



  • Make sure you rebuild your project after adding or removing PostSharp.



  • If none of the above tips work, you can contact PostSharp support by email, phone, or chat, and they will assist you as soon as possible.



How to use PostSharp v6.4.5 Enterprise in your projects




Once you have downloaded, installed, and activated PostSharp v6.4.5 Enterprise, you can start using it in your projects to enhance your code quality and productivity. There are three main components of PostSharp that you can use: PostSharp Tools for Visual Studio, PostSharp Framework Libraries, and PostSharp Documentation and Support.


PostSharp Tools for Visual Studio




PostSharp Tools for Visual Studio are the Roslyn-based features of PostSharp that provide you with coding assistance in your IDE. They include:



  • Diagnostics: PostSharp analyzes your code and detects potential errors, warnings, or suggestions related to aspects, patterns, contracts, immutability, nullability, and more. You can see these diagnostics in the Error List window or in the code editor.



  • Code fixes: PostSharp offers you quick actions to fix the diagnostics detected by PostSharp. You can apply these code fixes by clicking on the light bulb icon next to the diagnostic or by using the keyboard shortcut Ctrl+.



  • Refactorings: PostSharp offers you refactorings to improve your code structure and readability. You can apply these refactorings by clicking on the screwdriver icon next to the code or by using the keyboard shortcut Ctrl+R,R.



  • Quick actions: PostSharp offers you quick actions to perform common tasks related to aspects, patterns, contracts, immutability, nullability, and more. You can access these quick actions by right-clicking on the code or by using the keyboard shortcut Alt+Enter.



  • Smart tags: PostSharp offers you smart tags to provide you with additional information or options related to aspects, patterns, contracts, immutability, nullability, and more. You can access these smart tags by hovering over the code or by using the keyboard shortcut Ctrl+Shift+Alt+F10.



PostSharp Tools for Visual Studio also include a dashboard that shows you an overview of your project's aspects, patterns, contracts, immutability, nullability, and more. You can access the dashboard by going to Tools > PostSharp > Dashboard in Visual Studio. PostSharp Framework Libraries




PostSharp Framework Libraries are the MSIL-rewriting features of PostSharp that provide you with aspects, patterns, contracts, immutability, nullability, and more. They include:



  • PostSharp.Patterns.Common: This library contains the core features of PostSharp, such as aspect-oriented programming, design patterns, threading models, and more.



  • PostSharp.Patterns.Model: This library contains features related to data models, such as INotifyPropertyChanged, undo/redo, data binding, and more.



  • PostSharp.Patterns.Diagnostics: This library contains features related to logging and tracing, such as log4net, NLog, Serilog, and more.



  • PostSharp.Patterns.Caching: This library contains features related to caching and memoization, such as memory cache, distributed cache, and more.



  • PostSharp.Patterns.Aggregation: This library contains features related to object aggregation and composition, such as parent-child relationships, event propagation, and more.



  • PostSharp.Patterns.Contracts: This library contains features related to code contracts and validation, such as preconditions, postconditions, invariants, and more.



  • PostSharp.Patterns.Xaml: This library contains features related to XAML development, such as dependency properties, commands, and more.



  • PostSharp.Patterns.Async: This library contains features related to asynchronous programming, such as async/await, task cancellation, and more.



  • PostSharp.Patterns.Formatters: This library contains features related to serialization and deserialization, such as binary formatter, JSON formatter, and more.



  • PostSharp.Patterns.Immutable: This library contains features related to immutability and nullability, such as immutable types, nullable reference types, and more.



To use PostSharp Framework Libraries in your project, you need to add them as NuGet dependencies or references. You can also browse the source code of these libraries on GitHub or download them from the PostSharp website.


PostSharp Documentation and Support




If you need more information or help on how to use PostSharp v6.4.5 Enterprise in your projects, you can refer to the PostSharp Documentation and Support resources. They include:



  • PostSharp Documentation: This is the official documentation of PostSharp that covers all the features and topics of PostSharp in detail. You can access it online or offline by going to Help > PostSharp > Documentation in Visual Studio.



  • PostSharp Samples: These are the official samples of PostSharp that demonstrate how to use PostSharp in various scenarios and platforms. You can access them online or offline by going to Help > PostSharp > Samples in Visual Studio.



  • PostSharp Blog: This is the official blog of PostSharp that provides you with news, updates, tips, tutorials, and best practices on how to use PostSharp effectively. You can access it online by going to https://blog.postsharp.net/.



  • PostSharp Forum: This is the official forum of PostSharp that allows you to ask questions, share feedback, report issues, and interact with other PostSharp users and developers. You can access it online by going to https://forums.postsharp.net/.



  • PostSharp Support: This is the official support service of PostSharp that provides you with technical assistance, bug fixes, feature requests, and other help related to PostSharp. You can access it online by going to https://www.postsharp.net/support or by emailing support@postsharp.net.



What's new in PostSharp v6.4.5 Enterprise




PostSharp v6.4.5 Enterprise is the latest version of PostSharp that was released on June 9, 2023. It includes several bug fixes and improvements that make PostSharp more stable and compatible with the latest technologies and platforms.


Bug fixes and improvements




Some of the bug fixes and improvements in PostSharp v6.4.5 Enterprise are:



  • Fixed a bug that caused a deadlock when using the [Cache] aspect with the MemoryCacheBackend.



  • Fixed a bug that caused a crash when using the [Immutable] aspect with generic types.



  • Fixed a bug that caused a performance degradation when using the [Log] aspect with Serilog.



  • Fixed a bug that caused a memory leak when using the [NotifyPropertyChanged] aspect with WPF.



  • Improved the detection and reporting of circular dependencies between aspects.



  • Improved the compatibility and performance of PostSharp Tools for Visual Studio with large solutions.



  • Improved the documentation and samples of PostSharp Framework Libraries.



You can find the complete list of bug fixes and improvements in PostSharp v6.4.5 Enterprise on the release notes page: https://www.postsharp.net/blog/post/PostSharp-6-4-5-Released.


Compatibility with .NET Core 3.1 and Visual Studio 2019




PostSharp v6.4.5 Enterprise is fully compatible with .NET Core 3.1 and Visual Studio 2019, which are the latest versions of .NET and Visual Studio as of June 2023.


.NET Core 3.1 is a long-term support (LTS) release of .NET Core that offers high performance, cross-platform compatibility, and modern features for C# development. You can use PostSharp with .NET Core 3.1 projects to benefit from aspects, patterns, contracts, immutability, nullability, and more.


Visual Studio 2019 is the latest version of Visual Studio that offers a fast, reliable, and productive IDE for C# development. You can use PostSharp Tools for Visual Studio 2019 to benefit from diagnostics, code fixes, refactorings, quick actions, smart tags, and more.


Future plans and suggestions




The PostSharp team is constantly working on improving PostSharp and adding new features and capabilities to it. Some of the future plans and suggestions for PostSharp are:



  • Support for .NET 6.0 and C# 10, which are expected to be released in November 2023.



  • Support for Blazor WebAssembly, which is a framework for building interactive web applications using C# and WebAssembly.



  • Support for Source Generators, which are a new feature of Roslyn that allow you to generate source code at compile time.



  • New aspects and patterns for common scenarios and challenges in C# development.



If you have any ideas or feedback on how to improve PostSharp or what features you would like to see in it, you can share them with the PostSharp team by using the suggestion box: https://www.postsharp.net/suggest-a-feature.


Conclusion and FAQs




In this article, we have introduced you to PostSharp v6.4.5 Enterprise, a powerful tool for C# developers that allows you to write code that modifies or enhances other code at compile time or runtime. We have shown you how to download, install, and use PostSharp in your projects, and how to benefit from its features such as aspects, patterns, contracts, immutability, nullability, and more. We have also highlighted some of the new features and improvements that make PostSharp v6.4.5 Enterprise even more useful and reliable.


We hope that you have found this article helpful and informative, and that you are now eager to try out PostSharp v6.4.5 Enterprise in your own projects. If you have any questions or comments, please feel free to contact us or visit our website for more information.


Here are some frequently asked questions (FAQs) about PostSharp v6.4.5 Enterprise:


Q: How much does PostSharp v6.4.5 Enterprise cost?




A: PostSharp v6.4.5 Enterprise is a commercial product that requires a subscription to use. The subscription price depends on the number of developers, the duration, and the edition of PostSharp. You can find the pricing details and options on the PostSharp website: https://www.postsharp.net/pricing.


Q: Is there a free version of PostSharp v6.4.5 Enterprise?




A: Yes, there is a free version of PostSharp v6.4.5 Enterprise called PostSharp Community, which is available for non-commercial use by individuals or small teams (up to 10 developers). PostSharp Community includes most of the features of PostSharp Enterprise, except for some advanced aspects and patterns. You can download PostSharp Community from the PostSharp website: https://www.postsharp.net/download/community.


Q: How can I learn more about PostSharp v6.4.5 Enterprise?




A: There are many resources available to help you learn more about PostSharp v6.4.5 Enterprise, such as:



  • The PostSharp Documentation, which covers all the features and topics of PostSharp in detail.



The PostSharp Samples, which demonstrate how to use PostSharp in various scenarios and p


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