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BitConverter.ToInt16 Method

Returns a 16-bit signed integer converted from two bytes at a specified position in a byte array.

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

'Declaration
<SecuritySafeCriticalAttribute> _
Public Shared Function ToInt16 ( _
	value As Byte(), _
	startIndex As Integer _
) As Short

Parameters

value
Type: System.Byte()
An array of bytes.
startIndex
Type: System.Int32
The starting position within value.

Return Value

Type: System.Int16
A 16-bit signed integer formed by two bytes beginning at startIndex.

ExceptionCondition
ArgumentException

startIndex equals the length of value minus 1.

ArgumentNullException

value is Nothing.

ArgumentOutOfRangeException

startIndex is less than zero or greater than the length of value minus 1.

The following code example converts elements of Byte arrays to Int16 values with the ToInt16 method.


' Example of the BitConverter.ToInt16 method.

Module Example

   Const formatter As String = "{0,5}{1,17}{2,10}"

   ' Convert two Byte array elements to a Short and display it.
   Sub BAToInt16(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal bytes() As Byte, ByVal index As Integer)

      Dim value As Short = BitConverter.ToInt16(bytes, index)

      outputBlock.Text &= String.Format(formatter, index, _
          BitConverter.ToString(bytes, index, 2), value) & vbCrLf
   End Sub

   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      Dim byteArray As Byte() = { _
           15, 0, 0, 128, 16, 39, 240, 216, 241, 255, 127}

      outputBlock.Text &= String.Format( _
          "This example of the BitConverter.ToInt16( Byte( ), " & _
          "Integer ) " & vbCrLf & "method generates the " & _
          "following output. It converts elements " & vbCrLf & _
          "of a Byte array to Short values." & vbCrLf) & vbCrLf
      outputBlock.Text &= "initial Byte array" & vbCrLf
      outputBlock.Text &= "------------------" & vbCrLf
      outputBlock.Text &= BitConverter.ToString(byteArray) & vbCrLf
      outputBlock.Text &= vbCrLf
      outputBlock.Text &= String.Format(formatter, "index", "array elements", "Short") & vbCrLf
      outputBlock.Text &= String.Format(formatter, "-----", "--------------", "-----") & vbCrLf

      ' Convert Byte array elements to Short values.
      BAToInt16(outputBlock, byteArray, 1)
      BAToInt16(outputBlock, byteArray, 0)
      BAToInt16(outputBlock, byteArray, 8)
      BAToInt16(outputBlock, byteArray, 4)
      BAToInt16(outputBlock, byteArray, 6)
      BAToInt16(outputBlock, byteArray, 9)
      BAToInt16(outputBlock, byteArray, 2)
   End Sub
End Module

' This example of the BitConverter.ToInt16( Byte( ), Integer )
' method generates the following output. It converts elements
' of a Byte array to Short values.
' 
' initial Byte array
' ------------------
' 0F-00-00-80-10-27-F0-D8-F1-FF-7F
' 
' index   array elements     Short
' -----   --------------     -----
'     1            00-00         0
'     0            0F-00        15
'     8            F1-FF       -15
'     4            10-27     10000
'     6            F0-D8    -10000
'     9            FF-7F     32767
'     2            00-80    -32768


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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