次の方法で共有

  • [アーティクル]

Convert.ToChar Method (Decimal)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Calling this method always throws InvalidCastException.

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

Syntax

'Declaration
Public Shared Function ToChar ( _
    value As Decimal _
) As Char

public static char ToChar(
    decimal value
)

Parameters

Return Value

Type: System.Char
This conversion is not supported. No value is returned.

Exceptions

Exception Condition
InvalidCastException

This conversion is not supported.

Remarks

This method is reserved for future use.

Examples

The following code sample attempts to convert a Decimal to Char, throwing InvalidCastException on failure.

Public Sub ConvertCharDecimal(ByVal charVal As Char)
   Dim decimalVal As [Decimal] = 0

   ' Char to decimal conversion is not supported and will always
   ' throw an InvalidCastException.
   Try
      decimalVal = System.Convert.ToDecimal(charVal)
   Catch exception As System.InvalidCastException
      outputBlock.Text &= String.Format( _
           "Char-to-decimal conversion is not supported " + _
           "by the framework.") & vbCrLf
   End Try

   'Decimal to char conversion is also not supported.
   Try
      charVal = System.Convert.ToChar(decimalVal)
   Catch exception As System.InvalidCastException
      outputBlock.Text &= String.Format( _
          "Decimal-to-char conversion is not supported " + _
          "by the framework.") & vbCrLf
   End Try
End Sub

public void ConvertCharDecimal(char charVal)
{
   Decimal decimalVal = 0;

   // Char to decimal conversion is not supported and will always
   // throw an InvalidCastException.
   try
   {
      decimalVal = System.Convert.ToDecimal(charVal);
   }
   catch (System.InvalidCastException)
   {
      outputBlock.Text += String.Format(
         "Char-to-decimal conversion is not supported " +
         "by the framework.") + "\n";
   }

   //Decimal to char conversion is also not supported.
   try
   {
      charVal = System.Convert.ToChar(decimalVal);
   }
   catch (System.InvalidCastException)
   {
      outputBlock.Text += String.Format(
         "Decimal-to-char conversion is not supported " +
         "by the framework.") + "\n";
   }
}

Version Information

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

Platforms

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