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I want to do a build from the command line, but I'd like to get the exact command line syntax from Visual Studio (2012), so that I don't have to manually figure out all of the flags, imports, and other parameters. Is there a way to get Visual Studio to display this information? acfrancis When you build a project or solution in Visual Studio, the entire command line used to run the compiler (csc.exe, including switches and parameters) is displayed in the Output window. If you don't see it there, check the Verbosity level by going to: Options > Projects and Solutions > Build and Run > MSBuild

How can a single .NET assembly, targeting 2.0, 3.0, 3.5, 4.0, and 4.5 concurrently, support extension methods for both C# and VB.NET consumers? The standard suggestion is to add this: namespace System.Runtime.CompilerServices { public sealed class ExtensionAttribute : Attribute { } } This the approach suggested by more than one Microsoft employee and was even featured in MSDN magazine . It's widely hailed by many bloggers as having 'no ill effects'. Oh, except it will cause a compiler error from a VB.NET project targeting .NET 3.5 or higher. The authors of Microsoft.Core.Scripting.dll figured