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NumberFormatInfo.NegativeSign Property

Gets or sets the string that denotes that the associated number is negative.

Namespace:  System.Globalization
Assembly:  mscorlib (in mscorlib.dll)

Public Property NegativeSign As String

Property Value

Type: System.String
The string that denotes that the associated number is negative. The default for InvariantInfo is "-".


The property is being set to Nothing.


The property is being set and the NumberFormatInfo object is read-only.

This property is used in both formatting and parsing operations. For more information on its use in formatting operations, see the Standard Numeric Format Strings and Custom Numeric Format Strings topics.

The following example instantiates a read-write CultureInfo object that represents the invariant culture and assigns the OVERLINE character (U+203E) to its NegativeSign property. It then uses this CultureInfo object to format an array of negative floating-point numbers.

Imports System.Globalization

Module Example
   Public Sub Main()
      Dim ci As CultureInfo = CultureInfo.CreateSpecificCulture("")
      ci.NumberFormat.NegativeSign = ChrW(&h203E)
      Dim numbers() As Double = { -1.0, -16.3, -106.35 }

      For Each number In numbers
   End Sub 
End Module 
' The example displays the following output: 
'       ‾1 
'       ‾16.3 
'       ‾106.35

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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