#pragma warning (C# Reference)

  • 2 minutes to read
  • Contributors

#pragma warning can enable or disable certain warnings.

Syntax

#pragma warning disable warning-list  
#pragma warning restore warning-list

Parameters

warning-list
A comma-separated list of warning numbers. The "CS" prefix is optional.

When no warning numbers are specified, disable disables all warnings and restore enables all warnings.

Note

To find warning numbers in Visual Studio, build your project and then look for the warning numbers in the Output window.

Example

// pragma_warning.cs  
using System;  
  
#pragma warning disable 414, CS3021  
[CLSCompliant(false)]  
public class C  
{  
    int i = 1;  
    static void Main()  
    {  
    }  
}  
#pragma warning restore CS3021  
[CLSCompliant(false)]  // CS3021  
public class D  
{  
    int i = 1;  
    public static void F()  
    {  
    }  
}

See also