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Strings.FormatNumber Method

Returns an expression formatted as a number.

Namespace: Microsoft.VisualBasic
Assembly: Microsoft.VisualBasic (in microsoft.visualbasic.dll)

public:
static String^ FormatNumber (
	Object^ Expression, 
	[OptionalAttribute] int NumDigitsAfterDecimal, 
	[OptionalAttribute] TriState IncludeLeadingDigit, 
	[OptionalAttribute] TriState UseParensForNegativeNumbers, 
	[OptionalAttribute] TriState GroupDigits
)
public static String FormatNumber (
	Object Expression, 
	/** @attribute OptionalAttribute() */ int NumDigitsAfterDecimal, 
	/** @attribute OptionalAttribute() */ TriState IncludeLeadingDigit, 
	/** @attribute OptionalAttribute() */ TriState UseParensForNegativeNumbers, 
	/** @attribute OptionalAttribute() */ TriState GroupDigits
)
public static function FormatNumber (
	Expression : Object, 
	NumDigitsAfterDecimal : int, 
	IncludeLeadingDigit : TriState, 
	UseParensForNegativeNumbers : TriState, 
	GroupDigits : TriState
) : String

Parameters

Expression

Required. Expression to be formatted.

NumDigitsAfterDecimal

Optional. Numeric value indicating how many places are displayed to the right of the decimal. The default value is –1, which indicates that the computer's regional settings are used.

IncludeLeadingDigit

Optional. TriState constant that indicates whether a leading 0 is displayed for fractional values. See "Settings" for values.

UseParensForNegativeNumbers

Optional. TriState constant that indicates whether to place negative values within parentheses. See "Settings" for values.

GroupDigits

Optional. TriState constant that indicates whether or not numbers are grouped using the group delimiter specified in the locale settings. See "Settings" for values.

Return Value

Returns an expression formatted as a number.

For more detailed information, see the Visual Basic topic FormatNumber Function (Visual Basic).

When one or more optional arguments are omitted the values for omitted arguments are provided by the locale settings.

NoteNote

All settings information comes from the locale of the application. By default, that will be the locale set in the control panel. However, it may be changed programmatically by using the .NET Framework.

The IncludeLeadingDigit, UseParensForNegativeNumbers, and GroupDigits arguments have the following settings.

Constant

Description

TriState.True

True

TriState.False

False

TriState.UseDefault

The computer's regional settings

This example demonstrates the FormatNumber function.

Dim TestNumber As Integer = 45600
' Returns "45,600.00".
Dim TestString As String = FormatNumber(TestNumber, 2, , , TriState.True)

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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