What are the various "Build action" settings in Visual Studio project properties and what do they do?

For the a lot of component, you simply take whatever Visual Studio establishes it for you as a default I'm describing the BuildAction building for each and every documents picked in Solution Explorer. There are a variety of alternatives and also it is hard to recognize what every one of them will certainly do.

2022-07-25 20:11:51
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Page -- Takes the specified XAML file, and compiles into BAML, and embeds that output into the managed resource stream for your assembly (specifically AssemblyName.g.resources), Additionally, if you have the appropriate attributes on the root XAML element in the file, it will create a blah.g.cs file, which will contain a partial class of the "codebehind" for that page; this basically involves a call to the BAML goop to re-hydrate the file into memory, and to set any of the member variables of your class to the now-created items (e.g. if you put x:Name="foo" on an item, you'll be able to do this.foo.Background = Purple; or similar.

ApplicationDefinition -- similar to Page, except it goes onestep furthur, and defines the entry point for your application that will instantiate your app object, call run on it, which will then instantiate the type set by the StartupUri property, and will give your mainwindow.

Also, to be clear, this question overall is infinate in it's results set; anyone can define additional BuildActions just by building an MSBuild Task. If you look in the %systemroot%\Microsoft.net\framework\vversion\ directory, and look at the Microsoft.Common.targets file, you should be able to decipher many more (example, with VS Pro and above, there is a "Shadow" action that allows you generate private accessors to help with unit testing private classes.

2022-07-25 22:29:17

From the documentation:

The BuildAction property indicates what Visual Studio does with a file when a build is executed. BuildAction can have one of several values:

None - The file is not included in the project output group and is not compiled in the build process. An example is a text file that contains documentation, such as a Readme file.

Compile - The file is compiled into the build output. This setting is used for code files.

Content - The file is not compiled, but is included in the Content output group. For example, this setting is the default value for an .htm or other kind of Web file.

Embedded Resource - This file is embedded in the main project build output as a DLL or executable. It is typically used for resource files.

2022-07-25 22:14:55