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Require file header (IDE0073)

  • Article
Property Value
Rule ID IDE0073
Title Require file header
Category Style
Subcategory Language rules (using directive preferences)
Applicable languages C# and Visual Basic
Options file_header_template

Overview

This style rule concerns providing a file header at top of source code files.

Options

Specify the required header text by setting the file_header_template option.

  • When the option value is a non-empty string, require the specified file header.
  • When the option value is unset or an empty string, do not require a file header.

For information about configuring options, see Option format.

file_header_template

Property Value Description
Option name file_header_template
Option values non-empty string, optionally containing a {fileName} placeholder Prefer the string as the required file header.
unset or empty string Do not require a file header.
Default option value unset 
// file_header_template = Copyright (c) SomeCorp. All rights reserved.\nLicensed under the xyz license.

// Copyright (c) SomeCorp. All rights reserved.
// Licensed under the xyz license.
namespace N1
{
    class C1 { }
}

// file_header_template = unset
//      OR
// file_header_template =
namespace N2
{
    class C2 { }
}

' file_header_template = Copyright (c) SomeCorp. All rights reserved.\nLicensed under the xyz license.

' Copyright (c) SomeCorp. All rights reserved.
' Licensed under the xyz license.
Namespace N1
    Class C1
    End Class
End Namespace

' file_header_template = unset
'      OR
' file_header_template =
Namespace N2
    Class C2
    End Class
End Namespace

Suppress a warning

If you want to suppress only a single violation, add preprocessor directives to your source file to disable and then re-enable the rule.

#pragma warning disable IDE0073
// The code that's violating the rule is on this line.
#pragma warning restore IDE0073

To disable the rule for a file, folder, or project, set its severity to none in the configuration file.

[*.{cs,vb}]
dotnet_diagnostic.IDE0073.severity = none

To disable all of the code-style rules, set the severity for the category Style to none in the configuration file.

[*.{cs,vb}]
dotnet_analyzer_diagnostic.category-Style.severity = none

For more information, see How to suppress code analysis warnings.

See also