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<\/p>\nAs a part of a community that thrives on innovation and growth, WinForms\ndevelopers are often pushing boundaries to create new possibilities. Our\ndevelopers are also responsible for the maintenance of mission critical line of\nbusiness software, often well over a decade in the making. We value your trust\nand your passion for creating excellent software solutions with our tools. As\nyou may be aware, the transition from 32-bit to 64-bit in Visual Studio 2022 has\nresulted in some complexities. We are aware that these changes are causing some\nspeed bumps along your development journey, and we want to clarify these issues\nby pointing out workarounds already available and our additional plans to\naddress them.<\/p>\n
The decision to switch to a 64-bit platform is far more than a simple upgrade.\nIt’s a major improvement that helps Visual Studio work better in several ways.\nOne of the biggest benefits is the ability to use more memory. In the 32-bit\nversion, there were limits to how much memory Visual Studio could use, which\noften led to slower performance or even errors when working on large projects.\nThe 64-bit version removes these limitations, allowing Visual Studio to handle\nlarger projects with greater efficiency.<\/p>\n
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But it’s not just about having access to more memory. The switch to 64-bit also\nenables Visual Studio to make better use of your computer’s processor,\nparticularly of its multiple cores. Because a 64-bit application can process\nmore data at once, it can use more cores simultaneously and effectively, which\nleads to faster operations. This is particularly noticeable when building your\nproject. If your project is large, with many files and lots of code, the build\noperation can be considerably faster on 64-bit. This means less waiting around\nfor builds to complete, which helps you get your work done quicker. But those\nare not the only advantages. Others are:<\/p>\n
Compatibility with 64-bit libraries:<\/strong> There are numerous 64-bit libraries\nand components that simply couldn’t be used effectively with a 32-bit version of\nVisual Studio. The 64-bit version enables better utilization and integration of\nthese resources.<\/p>\n<\/li>\n Enhanced Security:<\/strong> 64-bit systems have some built-in security advantages\nover 32-bit ones, including a feature called Address Space Layout Randomization\n(ASLR) that makes it more difficult for malicious code to exploit the system.<\/p>\n<\/li>\n Future-proofing:<\/strong> As technology continues to evolve, more and more\napplications and operating systems are transitioning towards 64-bit\narchitectures. By moving to 64-bit now, Visual Studio is following the wave,\nensuring compatibility with future technological advancements.<\/p>\n<\/li>\n Larger Datasets:<\/strong> With 64-bit computing, you can work with significantly\nlarger datasets that previously might have been impossible to handle due to\nmemory restrictions. This is particularly advantageous at design-time in\ndata-intensive fields like machine learning, big data analytics but also for\ntasks which involve the processing of schemas of large and complex databases for\nexample for code generation.<\/p>\n<\/li>\n<\/ul>\n These advantages are also true for the WinForms Designer. It is very common\nfor WinForms application to reflect complex business cases. As a result, those\napplications often contain of hundreds of Forms and UserControls which\nthemselves can grow really big and complex. All of this leads to a lot of code\nwhich needs to be generated as soon as a Form gets edited. One of the biggest\nbeneficiaries of the 64-bit transition is therefore undoubtedly the WinForms\nDesigner. The Designer leverages the ability to access more memory in the 64-bit\narchitecture, greatly enhancing its performance and capacity to handle complex\ndesign tasks.<\/p>\n All this said, we are fully aware that this advancement comes with certain\nchallenges concerning components which are bound to a 32-Bit architecture and\nwhich are used in the context of the Windows Forms designer for projects\ntargeting .NET Framework Versions up to 4.8.1.<\/p>\n The shift from 32-bit to 64-bit systems is not just about increasing power, but\nit involves fundamental architectural changes. These changes directly affect how\nwe manage .NET Framework versions and .NET Core applications. For instance, it\nis not possible to host 32-bit exclusive components in a 64-bit process or .NET\nCore types in a .NET Framework process. However, this should not be seen as an\napproach that could have been avoided. Instead, it’s a necessary part of the\nnatural progression and evolution in technology.<\/p>\n You have several avenues to consider, each with its own advantages:<\/p>\n Move to .NET 8+<\/strong>: The most forward-thinking option, though, would be to\nupgrade to .NET 8 or higher. The .NET 8+ environment is the future of (not only)\nWinForms Application development and provides the most robust support,\nespecially when it comes to third-party control vendors. With .NET 8+, you’re\nnot just keeping up with the times \u2013 you’re staying ahead, ensuring that your\napplications are ready for whatever the future brings.<\/p>\n<\/li>\n Use AnyCPU:<\/strong> Firstly, for the design time, switch everything to build with\n‘AnyCPU’. The ‘AnyCPU’ compile option in Visual Studio offers a versatile\nsolution for addressing the 32-bit component issue in your WinForms project.\nWhen your project is set to ‘AnyCPU’, Visual Studio will compile your\napplication in such a way that it can run on both 32-bit and 64-bit platforms.\nIn the context of design time, this flexibility means your process can run as\n64-bit on a 64-bit system, allowing you to take full advantage of the benefits\nof 64-bit Visual Studio, such as improved memory utilization and faster\noperations. In many cases, this work quite well for projects, which require\n32-Bit-runtime components. When it comes to runtime after a design session has\nfinished, the ‘Prefer 32-bit’ project setting becomes key for compatibility with\nolder 32-bit components or libraries. By enabling this setting, you’re\ninstructing the Common Language Runtime (CLR) to run your ‘AnyCPU’ compiled\napplication in a 32-bit process, even on a 64-bit system. This provides an\nenvironment where your 32-bit components function as expected, thereby\nmaintaining the smooth operation of your application. While this approach does\nimpose some of the 32-bit limitations, such as a smaller memory space, it offers\nan effective solution for balancing between the need for 64-bit design time\ncapabilities and the requirements of 32-bit components at runtime.<\/p>\n<\/li>\n Modernizing the 32-Bit components:<\/strong> If the first option is not feasible due\nto the architecture of the 32-bit component, you might consider migrating away\nfrom the 32-bit components. While this may require an initial investment of time\nand resources, the benefits you stand to gain in the long run are significant.\nTransitioning to a 64-bit environment offers not only better performance but\nalso enhanced security. Moreover, it prepares your applications for future\nupdates and advancements, thus ensuring their longevity.<\/p>\n<\/li>\n<\/ul>\n If all those options are not working for your special case, then there is the\nout-of-process WinForms Designer as a final option:<\/p>\n To support .NET Core 3.1 and above, we’ve created an out-of-process version of\nthe WinForms Designer; a separate process that can handle tasks that Visual\nStudio cannot execute as a .NET Framework process. This essentially required us\nto create an entirely new architecture and extensibility model to handle the\ntwo types of processes simultaneously<\/a>.\nUpgrading to .NET does have its challenges with changes in both the runtime and\nin the new out-of-process designer. While we do have parity with the most\nimportant design time functions, there are cases where legacy approaches don\u2019t\nreally make sense to pursue any longer in the new technical landscape.<\/p>\n The out-of-process designer allows us to circumvent the restrictions that\nproblematic with the in-process design, namely the issues of hosting components\nwhich are incompatible with the Target Framework of the hosting Designer, e.g.,\nVisual Studio. This is accomplished by launching a new designer process, which\nthen operates in the exact Target Framework Version, the WinForms project was\nset up to target, allowing for greater flexibility in managing components of\ndifferent architectures.<\/p>\n In addition, the out-of-process designer permits us to provide support for\nhigher versions of .NET, such as .NET 8, 9, and beyond. It does this by\nallowing components to utilize features from these newer versions of .NET that\nmay not be compatible with the .NET Framework.<\/p>\nWhere does WinForms fit in?<\/h2>\n
32-Bit legacy component challenges<\/h3>\n
What are my options?<\/h3>\n
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Adapting to the New Landscape: The Out-of-Process Designers<\/h2>\n
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