This documentation is archived and is not being maintained.

Console.WriteLine Method (Single)

Writes the text representation of the specified single-precision floating-point value, followed by the current line terminator, to the standard output stream.

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

<HostProtectionAttribute(SecurityAction.LinkDemand, UI := True)> _
Public Shared Sub WriteLine ( _
	value As Single _


Type: System.Single
The value to write.


An I/O error occurred.

The text representation of value is produced by calling the Single.ToString method.

For more information about the line terminator, see the Remarks section of the WriteLine method that takes no parameters.


The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: UI. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

The following code example illustrates the use of the WriteLine method.

' System.Console.WriteLine

Imports Microsoft.VisualBasic
Imports System

Public Class TipCalculator
   Private Const tipRate As Double = 0.18

   Public Shared Sub Main()
      System.Environment.ExitCode = Calculator(System.Environment.GetCommandLineArgs())
   End Sub

   Public Shared Function Calculator(args() As String) As Integer
      Dim billTotal As Double
      If args.Length < 2 Then
         Console.WriteLine("usage: TIPCALC total")
         Return 1
            billTotal = Double.Parse(args(1))
            Console.WriteLine("usage: TIPCALC total")
            Return 1
         End Try
         Dim tip As Double = billTotal * tipRate
         Console.WriteLine("Bill total:" & vbTab & "{0,8:c}", billTotal)
         Console.WriteLine("Tip total/rate:" & vbTab & "{0,8:c} ({1:p1})", tip, tipRate)
         Console.WriteLine("".PadRight(24, "-"c))
         Console.WriteLine("Grand total:" & vbTab & "{0,8:c}", billTotal + tip)
         Return 0
      End If
   End Function 'Main
End Class 'TipCalculator

'Example Output:
'Bill total:       $52.23
'Tip total/rate:    $9.40 (18.0 %)
'Grand total:      $61.63

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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