ToSByte Method (Byte)

Convert.ToSByte Method (Byte)


Converts the value of the specified 8-bit unsigned integer to the equivalent 8-bit signed integer.

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

public static sbyte ToSByte(
	byte value


Type: System.Byte

The 8-bit unsigned integer to convert.

Return Value

Type: System.SByte

An 8-bit signed integer that is equivalent to value.

Exception Condition

value is greater than SByte.MaxValue.

The following example attempts to convert each element in a byte array to a signed byte.

byte[] numbers = { Byte.MinValue, 10, 100, Byte.MaxValue };
sbyte result;

foreach (byte number in numbers)
   try {
      result = Convert.ToSByte(number);
      Console.WriteLine("Converted the {0} value {1} to the {2} value {3}.",
                        number.GetType().Name, number,
                        result.GetType().Name, result);
   catch (OverflowException) {
      Console.WriteLine("The {0} value {1} is outside the range of the SByte type.",
                        number.GetType().Name, number);
// The example displays the following output:
//    Converted the Byte value 0 to the SByte value 0.
//    Converted the Byte value 10 to the SByte value 10.
//    Converted the Byte value 100 to the SByte value 100.
//    The Byte value 255 is outside the range of the SByte type.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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