If you really want to install the development part of .NET 4.0 or 4.5.2 in Windows 10 you need, depending on the version, the following: The libraries: for 4.5.2, grab the .NET framework 4.5.2 Developer Pack for 4.0, grab the Microsoft Windows SDK for Windows 7 and .NET Framework 4 (ISO), mount it and run … Read more
I eventually found the place to change it. It seems sometimes when you update your targets framework version this does not get changed.
This indeed performs excessively poorly, the background GC is not doing you favor here. First thing I noted is that Parallel.ForEach() is using too many tasks. The threadpool manager misinterprets the thread behavior as “bogged down by I/O” and starts extra threads. This makes the problem worse. Workaround for that is: var options = new … Read more
Thank you for the isolated repro program and I can confirm that this is indeed a RyuJIT bug in the optimizer which got exposed due to inlining. I’ve made a fix to the compiler and figuring the roll out details. Not to turn SO into a bug tracker, and for a quicker turnaround: ryujit@microsoft.com.
Ok, so after several attempts to get official replies from people with “inside knowledge”, I decided to experiment a little myself. What I tried to do is re-produce the scenario where I have a couple of pinned objects and some unpinned objects between them (i used a byte[]) to try and create the effect where … Read more
Task.FromResult(whatever) works for Task<TResult>, but until 4.6 there was nothing for the nongeneric task. You could use FromResult with a dummy value and implicitly cast it to Task, but that somewhat obfuscates the intent (you’re not really returning any asynchronous value) and allocates objects underneath (whereas CompletedTask can be cached and shared between all callers). … Read more
Open up the project file (.csproj) and change the TargetFramework to net462 <PropertyGroup> <TargetFramework>net462</TargetFramework> </PropertyGroup>
By putting together various pieces from the previous answers I was finally able to get a matching .Net Framework 4.6 and the Targeting Pack for it, and once both were installed the v4.6 Framework shows up as an available target framework Visual Studio 2012. I downloaded the standalone installer for Framework 4.6 (NDP46-KB3045557-x86-x64-AllOS-ENU.exe) from http://www.microsoft.com/en-us/download/details.aspx?id=48130, … Read more
Install: The .NET 4.6 Framework The Microsoft Build Tools 2015 The .NET Framework 4.6 targeting Pack Then call a different version of MsBuild to build your solution: C:\Program Files (x86)\MSBuild\14.0\Bin\MsBuild.exe MySolution.sln Note, this may not contain all bits pieces and sdk’s that ship with Visual Studio, so you may encounter “missing .targets files” or other … Read more