WebMar 20, 2024 · Top-level statements must precede namespace and type declarations. Although the important part is ... and type declarations. and you should move your class declaration to make sure it's after any other top-level statements: int u = 0; public class game { Console.WriteLine (); } WebMay 20, 2024 · In C# 9.0 you can just choose to write your main program at the top level instead: using System; Console.WriteLine("Hello World!"); Any statement is allowed. The program has to occur after the using s and before any type or namespace declarations in the file, and you can only do this in one file, just as you can have only one Main method today.
c# - "Top-level statements must precede namespace and type …
WebAug 19, 2024 · Top-level statements are implicitly in the global namespace. Namespaces and type definitions A file with top-level statements can also contain namespaces and type definitions, but they must come after the top-level statements. For example: :::code language="csharp" source="snippets/top-level-statements-2/Program.cs"::: args WebMay 8, 2024 · And call this with a top-level statement. Here is some example code: Console.WriteLine ("toplevel"); ThisShouldBeAMethodOfProgramClass (); public static void ThisShouldBeAMethodOfProgramClass () { Console.WriteLine ("Static in Program class"); } This is giving me build errors, because the public static modifiers are not valid. shanna souter
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WebDec 23, 2024 · When you use the Top-Level Program feature of C# 9, you give up the ability to put anything outside the Main method scope. Fields, properties, attributes on the Main method or Program class, setting the namespace, changing the class name, etc are all no longer available (the only exception is "importing" namespaces with using lines). WebNov 11, 2024 · One feature of the new C# templates that has not been carried forward with Windows Forms is top-level statements. The typical Windows Forms application requires the [STAThread] attribute and consists of multiple types split across multiple files, such as the designer code files, so using top-level statements doesn't make sense. WebOct 20, 2024 · STAThreadAttribute indicates that the COM threading model for the application is single-threaded apartment. This attribute must be present on the entry point of any application that uses Windows Forms; if it is omitted, the Windows components might not work correctly. polyphonic sustain vs decay melodyne