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)

[SecuritySafeCriticalAttribute]
public static short ToInt16(
	byte[] value,
	int startIndex
)

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 null.

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.
using System;

class Example
{
   const string formatter = "{0,5}{1,17}{2,10}";

   // Convert two byte array elements to a short and display it.
   public static void BAToInt16(System.Windows.Controls.TextBlock outputBlock, byte[] bytes, int index)
   {
      short value = BitConverter.ToInt16(bytes, index);

      outputBlock.Text += String.Format(formatter, index,
          BitConverter.ToString(bytes, index, 2), value) + "\n";
   }

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      byte[] byteArray = { 15, 0, 0, 128, 16, 39, 240, 216, 241, 255, 127 };

      outputBlock.Text += String.Format(
          "This example of the BitConverter.ToInt16( byte[ ], " +
          "int ) \nmethod generates the following output. It " +
          "converts elements \nof a byte array to short values.\n") + "\n";
      outputBlock.Text += "initial byte array" + "\n";
      outputBlock.Text += "------------------" + "\n";
      outputBlock.Text += BitConverter.ToString(byteArray) + "\n";
      outputBlock.Text += "\n";
      outputBlock.Text += String.Format(formatter, "index", "array elements", "short") + "\n";
      outputBlock.Text += String.Format(formatter, "-----", "--------------", "-----") + "\n";

      // 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);
   }
}

/*
This example of the BitConverter.ToInt16( byte[ ], int )
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.

Community Additions

ADD
Show: