Convert.ToSByte Method (Char)
.NET Framework (current version)
Converts the value of the specified Unicode character to the equivalent 8-bit signed integer.
This API is not CLS-compliant.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
-
Type:
System.Char
The Unicode character to convert.
| Exception | Condition |
|---|---|
| OverflowException | value is greater than SByte.MaxValue. |
The following example attempts to convert each element in an array of Char values to a signed byte.
Dim chars() As Char = { "a"c, "z"c, ChrW(7), ChrW(200), ChrW(1023) } For Each ch As Char in chars Try Dim result As SByte = Convert.ToSByte(ch) Console.WriteLine("{0} is converted to {1}.", ch, result) Catch e As OverflowException Console.WriteLine("Unable to convert u+{0} to a byte.", _ AscW(ch).ToString("X4")) End Try Next ' The example displays the following output: ' a is converted to 97. ' z is converted to 122. ' is converted to 7. ' Unable to convert u+00C8 to a byte. ' Unable to convert u+03FF to a byte.
Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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