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ToInt32 Method (Char)

Convert.ToInt32 Method (Char)

Converts the value of the specified Unicode character to the equivalent 32-bit signed integer.

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

Public Shared Function ToInt32 ( _
	value As Char _
) As Integer
Dim value As Char 
Dim returnValue As Integer 

returnValue = Convert.ToInt32(value)


Type: System.Char

The Unicode character to convert.

Return Value

Type: System.Int32
A 32-bit signed integer that is equivalent to value.

A 32-bit signed integer that represents the UTF-16 encoded code point of the value parameter.

The following example converts each element in an array of Char values to an integer.

Dim chars() As Char = { "a"c, "z"c, ChrW(7), ChrW(1023), _
                        ChrW(Short.MaxValue), ChrW(&hFFFE) }
Dim result As Integer 

For Each ch As Char in chars
      result = Convert.ToInt32(ch)
      Console.WriteLine("Converted the {0} value '{1}' to the {2} value {3}.", _
                        ch.GetType().Name, ch, _
                        result.GetType().Name, result)
   Catch e As OverflowException
      Console.WriteLine("Unable to convert u+{0} to an Int32.", _
   End Try 
' The example displays the following output: 
'       Converted the Char value 'a' to the Int32 value 97. 
'       Converted the Char value 'z' to the Int32 value 122. 
'       Converted the Char value '' to the Int32 value 7. 
'       Converted the Char value '?' to the Int32 value 1023. 
'       Converted the Char value '?' to the Int32 value 32767. 
'       Converted the Char value '?' to the Int32 value 65534.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

Community Additions

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