-unsafe (C# Compiler Options)

• 04/25/2018
• 2 minutes to read
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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.

To add this option in a csproj file

Open the .csproj file for a project, and add the following elements:

  <PropertyGroup>
    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
  </PropertyGroup>

For information about how to set this compiler option programmatically, see AllowUnsafeBlocks.

Example

Compile in.cs for unsafe mode:

csc -unsafe in.cs  

See Also

C# Compiler Options
Managing Project and Solution Properties