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.NET Forum / Visual Studio.NET / Setup / March 2008Operating with multiple framework versions
In getting up to speed with VS2008, I saw one obscure reference that indicated one could build for .NET 2.0, 3.0, or 3.5 at one's discretion. Could someone point me to documentation on this? I have a few concerns I wish to learn about, including: --What happens if I bring my VS2005/.NET 2.0 project into VS2008? I assume it is migrated and can then no longer be opened in VS2005, but does it remain a .NET 2.0 constituent? --If I create a new project in VS2008 is it always a .NET 3.5 constituent or can I force it to be .NET 2.0 so my existing user base can still run it? --How do I identify what framework version is being used for any given project? --How could I change the framework version for a project if, for example, I want to move a project from 2.0 to 3.5? Hi Michael, For the multiple framework version you mentioned, it is called "multi-targetting" feature in Visual Studio 2008. Here are some good reference introducing it: #VS 2008 Multi-Targeting Support http://weblogs.asp.net/scottgu/archive/2007/06/20/vs-2008-multi-targeting-su pport.aspx #Multitargeting in Visual Studio 2008 http://channel9.msdn.com/ShowPost.aspx?PostID=333938 Also, my understanding is VS 2008 can help you develop .net application that is targeting all the framework available below: .NET 2.0 .NET 3.0 .NET 3.5 If you convert a vs 2005 project in VS 2008, I think it will convert it to target .NET 2.0 also. And most of the convert processing is specific to IDE's settings. Sure, after converting, you'll not be able to open it via vs 2005 again. Have you already got VS 2008 at hand? If not, I suggest you download the pro version from subscriber download site or the Trial version and perform some test so that you can get a more clear experience on it. #Try Visual Studio 2008 http://msdn2.microsoft.com/en-us/vstudio/products/aa700831.aspx Sincerely, Steven Cheng Microsoft MSDN Online Support Lead Delighting our customers is our #1 priority. We welcome your comments and suggestions about how we can improve the support we provide to you. Please feel free to let my manager know what you think of the level of service provided. You can send feedback directly to my manager at: msdnmg@microsoft.com. ================================================== Get notification to my posts through email? Please refer to http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif ications. Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Please note that each follow up response may take approximately 2 business days as the support professional working with you may need further investigation to reach the most efficient resolution. The offering is not appropriate for situations that require urgent, real-time or phone-based interactions or complex project analysis and dump analysis issues. Issues of this nature are best handled working with a dedicated Microsoft Support Engineer by contacting Microsoft Customer Support Services (CSS) at http://msdn.microsoft.com/subscriptions/support/default.aspx. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. -------------------- >From: =?Utf-8?B?bWljaGFlbCBzb3JlbnM=?= <m_j_sorens@newsgroup.nospam> >Subject: Operating with multiple framework versions >Date: Mon, 24 Mar 2008 14:56:02 -0700 >In getting up to speed with VS2008, I saw one obscure reference that >indicated one could build for .NET 2.0, 3.0, or 3.5 at one's discretion. [quoted text clipped - 9 lines] >--How could I change the framework version for a project if, for example, I >want to move a project from 2.0 to 3.5? Thank you for the pertinent references. I found both of them extremely helpful. Not only does Scott Guthrie address all my questions and show how simple it is, Daniel Moth shows that you can actually use some of the new features of C# 3.0 in 2.0 projects--very neat! You're welcome Michael, Sincerely, Steven Cheng Microsoft MSDN Online Support Lead Delighting our customers is our #1 priority. We welcome your comments and suggestions about how we can improve the support we provide to you. Please feel free to let my manager know what you think of the level of service provided. You can send feedback directly to my manager at: msdnmg@microsoft.com. This posting is provided "AS IS" with no warranties, and confers no rights. -------------------- >From: =?Utf-8?B?bWljaGFlbCBzb3JlbnM=?= <m_j_sorens@newsgroup.nospam> >References: <477A3F46-12BD-4BDF-A286-D80F497E82C3@microsoft.com> <d7eKZbijIHA.360@TK2MSFTNGHUB02.phx.gbl> >Subject: RE: Operating with multiple framework versions >Date: Tue, 25 Mar 2008 11:19:03 -0700 >Thank you for the pertinent references. I found both of them extremely >helpful. Not only does Scott Guthrie address all my questions and show how >simple it is, Daniel Moth shows that you can actually use some of the new >features of C# 3.0 in 2.0 projects--very neat!
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