unsafe-compiler-option.md

title	ms.date	ms.prod	ms.technology	ms.topic	f1_keywords	dev_langs	helpviewer_keywords	ms.assetid	caps.latest.revision	author	ms.author	translation.priority.ht
-unsafe (C# Compiler Options)	2015-07-20	.net	devlang-csharp	article	/unsafe	CSharp	-unsafe compiler option [C#] unsafe compiler option [C#] /unsafe compiler option [C#]	fdb77ed9-da03-45bd-bb7f-250704da1bcc	19	BillWagner	wiwagn	cs-cz de-de es-es fr-fr it-it ja-jp ko-kr pl-pl pt-br ru-ru tr-tr zh-cn zh-tw

/unsafe (C# Compiler Options)

The /unsafe compiler option allows code that uses the unsafe keyword to compile.

Syntax

/unsafe  

Remarks

For more information about unsafe code, see Unsafe Code and Pointers.

To set this compiler option in the Visual Studio development environment

1. Open the project's Properties page.

2. Click the Build property page.

3. Select the Allow Unsafe Code check box.

For information about how to set this compiler option programmatically, see xref:VSLangProj80.CSharpProjectConfigurationProperties3.AllowUnsafeBlocks%2A.

Example

Compile in.cs for unsafe mode:

csc /unsafe in.cs  

See Also

C# Compiler Options
Managing Project and Solution Properties