Decimal.ToOACurrency メソッド

.NET Framework クラス ライブラリ リファレンス

Decimal.ToOACurrency メソッド

指定した Decimal 値を、64 ビット符号付き整数に格納されるそれと等価の OLE オートメーション通貨値に変換します。

名前空間: System
アセンブリ: mscorlib (mscorlib.dll 内)
構文

Visual Basic (宣言)

Public Shared Function ToOACurrency
 ( _
    value As Decimal _
) As Long

Visual Basic (使用法)

Dim value As Decimal
Dim returnValue As Long

returnValue = Decimal.ToOACurrency(value)

C#

public static long ToOACurrency (
    decimal value
)

C++

public:
static long long ToOACurrency (
    Decimal value
)

J#

public static long ToOACurrency (
    Decimal value
)

JScript

public static function ToOACurrency
 (
    value : decimal
) : long

パラメータ

value

Decimal 値。

戻り値
value と等価の OLE オートメーション値を格納する 64 ビット符号付き整数。

使用例

ToOACurrency メソッドを使用して Decimal の数値を Int64 フィールド内の等価の OLE オートメーション通貨値に変換するコード例を次に示します。

Visual Basic

' Example of the Decimal.ToOACurrency method. 
Imports System
Imports Microsoft.VisualBasic

Module DecimalToOACurrencyDemo
    
    Const dataFmt As String
 = "{0,31}{1,27}"

    ' Get the exception type name; remove the namespace prefix.
    Function GetExceptionType( ex As Exception
 ) As String

        Dim exceptionType   As String
 = ex.GetType( ).ToString( )
        Return exceptionType.Substring( _
            exceptionType.LastIndexOf( "."c ) + 1
 )
    End Function

    ' Display the Decimal.ToOACurrency parameter and the result 
    ' or exception.
    Sub ShowDecimalToOACurrency( Argument As
 Decimal )

        ' Catch the exception if ToOACurrency( ) throws one.
        Try
            Dim oaCurrency As Long
 = Decimal.ToOACurrency( Argument )
            Console.WriteLine( dataFmt, Argument, _
                oaCurrency )

        Catch ex As Exception
            Console.WriteLine( dataFmt, Argument, _
                GetExceptionType( ex ) )
        End Try
    End Sub

    Sub Main( )
        Console.WriteLine( "This example of the "
 & _
            "Decimal.ToOACurrency( ) method generates "
 & vbCrLf & _
            "the following output. It displays the argument as
 " & _
            "a Decimal " & vbCrLf & "and
 the OLE Automation " & _
            "Currency value as a Long." & vbCrLf
 )
        Console.WriteLine( dataFmt, "Argument", _
            "OA Currency or Exception" )
        Console.WriteLine( dataFmt, "--------", _
            "------------------------" )

        ' Convert Decimal values to OLE Automation Currency values.
        ShowDecimalToOACurrency( 0D )
        ShowDecimalToOACurrency( 1D )
        ShowDecimalToOACurrency( _
            Decimal.Parse( "1.0000000000000000000000000000"
 ) )
        ShowDecimalToOACurrency( 100000000000000D )
        ShowDecimalToOACurrency( _
            Decimal.Parse( "100000000000000.00000000000000"
 ) )
        ShowDecimalToOACurrency( 10000000000000000000000000000D )
        ShowDecimalToOACurrency( 0.000000000123456789D ) 
        ShowDecimalToOACurrency( 0.123456789D ) 
        ShowDecimalToOACurrency( 123456789D ) 
        ShowDecimalToOACurrency( 123456789000000000D ) 
        ShowDecimalToOACurrency( 4294967295D ) 
        ShowDecimalToOACurrency( 18446744073709551615D ) 
        ShowDecimalToOACurrency( -79.228162514264337593543950335D ) 
        ShowDecimalToOACurrency( -79228162514264.337593543950335D ) 
    End Sub
End Module 

' This example of the Decimal.ToOACurrency( ) method generates
' the following output. It displays the argument as a Decimal
' and the OLE Automation Currency value as a Long.
' 
'                        Argument   OA Currency or Exception
'                        --------   ------------------------
'                               0                          0
'                               1                      10000
'  1.0000000000000000000000000000                      10000
'                 100000000000000        1000000000000000000
'  100000000000000.00000000000000        1000000000000000000
'   10000000000000000000000000000          OverflowException
'            0.000000000123456789                          0
'                     0.123456789                       1235
'                       123456789              1234567890000
'              123456789000000000          OverflowException
'                      4294967295             42949672950000
'            18446744073709551615          OverflowException
' -79.228162514264337593543950335                    -792282
' -79228162514264.337593543950335        -792281625142643376

C#

// Example of the decimal.ToOACurrency method. 
using System;

class DecimalToOACurrencyDemo
{
    const string dataFmt = "{0,31}{1,27}";

    // Get the exception type name; remove the namespace prefix.
    public static string
 GetExceptionType( Exception ex )
    {
        string exceptionType = ex.GetType( ).ToString( );
        return exceptionType.Substring( 
            exceptionType.LastIndexOf( '.' ) + 1 );
    }

    // Display the decimal.ToOACurrency parameter and the result 
    // or exception.
    public static void ShowDecimalToOACurrency(
 decimal Argument )
    {
        // Catch the exception if ToOACurrency( ) throws one.
        try
        {
            long oaCurrency = decimal.ToOACurrency( Argument );
            Console.WriteLine( dataFmt, Argument, oaCurrency );
        }
        catch( Exception ex )
        {
            Console.WriteLine( dataFmt, Argument, 
                GetExceptionType( ex ) );
        }
    }

    public static void Main(
 )
    {
        Console.WriteLine( "This example of the " +
            "decimal.ToOACurrency( ) method generates \nthe " +
            "following output. It displays the argument as a " +
            "decimal \nand the OLE Automation Currency value " +
            "as a long.\n" );
        Console.WriteLine( dataFmt, "Argument", 
            "OA Currency or Exception" );
        Console.WriteLine( dataFmt, "--------", 
            "------------------------" );

        // Convert decimal values to OLE Automation Currency values.
        ShowDecimalToOACurrency( 0M );
        ShowDecimalToOACurrency( 1M );
        ShowDecimalToOACurrency( 1.0000000000000000000000000000M );
        ShowDecimalToOACurrency( 100000000000000M );
        ShowDecimalToOACurrency( 100000000000000.00000000000000M );
        ShowDecimalToOACurrency( 10000000000000000000000000000M );
        ShowDecimalToOACurrency( 0.000000000123456789M );
        ShowDecimalToOACurrency( 0.123456789M );
        ShowDecimalToOACurrency( 123456789M );
        ShowDecimalToOACurrency( 123456789000000000M );
        ShowDecimalToOACurrency( 4294967295M );
        ShowDecimalToOACurrency( 18446744073709551615M );
        ShowDecimalToOACurrency( -79.228162514264337593543950335M );
        ShowDecimalToOACurrency( -79228162514264.337593543950335M );
    }
}

/*
This example of the decimal.ToOACurrency( ) method generates
the following output. It displays the argument as a decimal
and the OLE Automation Currency value as a long.

                       Argument   OA Currency or Exception
                       --------   ------------------------
                              0                          0
                              1                      10000
 1.0000000000000000000000000000                      10000
                100000000000000        1000000000000000000
 100000000000000.00000000000000        1000000000000000000
  10000000000000000000000000000          OverflowException
           0.000000000123456789                          0
                    0.123456789                       1235
                      123456789              1234567890000
             123456789000000000          OverflowException
                     4294967295             42949672950000
           18446744073709551615          OverflowException
-79.228162514264337593543950335                    -792282
-79228162514264.337593543950335        -792281625142643376
*/

C++

// Example of the Decimal::ToOACurrency method. 
using namespace System;
#define dataFmt "{0,31}{1,27}"

// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
   String^ exceptionType = ex->GetType()->ToString();
   return exceptionType->Substring( exceptionType->LastIndexOf(
 '.' ) + 1 );
}


// Display the Decimal::ToOACurrency parameter and the result 
// or exception.
void ShowDecimalToOACurrency( Decimal Argument )
{
   
   // Catch the exception if ToOACurrency( ) throws one.
   try
   {
      __int64 oaCurrency = Decimal::ToOACurrency( Argument );
      Console::WriteLine( dataFmt, Argument, oaCurrency );
   }
   catch ( Exception^ ex ) 
   {
      Console::WriteLine( dataFmt, Argument, GetExceptionType( ex ) );
   }

}

int main()
{
   Console::WriteLine( "This example of the "
   "Decimal::ToOACurrency( ) method generates \nthe "
   "following output. It displays the argument as a "
   "Decimal \nand the OLE Automation Currency value "
   "as an __int64.\n" );
   Console::WriteLine( dataFmt, "Argument", "OA Currency or Exception"
 );
   Console::WriteLine( dataFmt, "--------", "------------------------"
 );
   
   // Convert Decimal values to OLE Automation Currency values.
   ShowDecimalToOACurrency( Decimal(0) );
   ShowDecimalToOACurrency( Decimal(1) );
   ShowDecimalToOACurrency( Decimal::Parse( "1.0000000000000000000000000000"
 ) );
   ShowDecimalToOACurrency( Decimal::Parse( "100000000000000" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "100000000000000.00000000000000"
 ) );
   ShowDecimalToOACurrency( Decimal::Parse( "10000000000000000000000000000"
 ) );
   ShowDecimalToOACurrency( Decimal::Parse( "0.000000000123456789" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "0.123456789" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "123456789" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "123456789000000000" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "4294967295" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "18446744073709551615" ) );
   ShowDecimalToOACurrency( Decimal::Parse( "-79.228162514264337593543950335"
 ) );
   ShowDecimalToOACurrency( Decimal::Parse( "-79228162514264.337593543950335"
 ) );
}

/*
This example of the Decimal::ToOACurrency( ) method generates
the following output. It displays the argument as a Decimal
and the OLE Automation Currency value as an __int64.

                       Argument   OA Currency or Exception
                       --------   ------------------------
                              0                          0
                              1                      10000
 1.0000000000000000000000000000                      10000
                100000000000000        1000000000000000000
 100000000000000.00000000000000        1000000000000000000
  10000000000000000000000000000          OverflowException
           0.000000000123456789                          0
                    0.123456789                       1235
                      123456789              1234567890000
             123456789000000000          OverflowException
                     4294967295             42949672950000
           18446744073709551615          OverflowException
-79.228162514264337593543950335                    -792282
-79228162514264.337593543950335        -792281625142643376
*/

J#

// Example of the decimal.ToOACurrency method. 
import System.* ;

class DecimalToOACurrencyDemo
{
    private static String dataFmt = "{0
,31}{1,27}";

    // Get the exception type name; remove the namespace prefix.
    public static String GetExceptionType(System.Exception
 ex) 
    {
        String exceptionType = ex.GetType().ToString();
        return exceptionType.Substring((exceptionType.LastIndexOf('.')
 + 1)) ;
    } //GetExceptionType

    // Display the decimal.ToOACurrency parameter and the result 
    // or exception.
    public static void ShowDecimalToOACurrency(System.Decimal
 Argument) 
    {
        // Catch the exception if ToOACurrency( ) throws one.
        try {
            long oaCurrency = System.Decimal.ToOACurrency(Argument);
            Console.WriteLine(dataFmt,System.Convert.ToString(Argument),
                System.Convert.ToString(oaCurrency));
        }
        catch(System.Exception  ex){        
            Console.WriteLine(dataFmt, Argument, GetExceptionType(ex));
        }
    } //ShowDecimalToOACurrency

    public static void main(String[]
 args)
    {
        Console.WriteLine(("This example of the " 
            + "decimal.ToOACurrency( ) method generates \nthe "
            + "following output. It displays the argument as a " 
            + "decimal \nand the OLE Automation Currency value " 
            + "as a long.\n"));
        Console.WriteLine(dataFmt, "Argument", "OA Currency or Exception");
        Console.WriteLine(dataFmt, "--------", "------------------------");
        
        // Convert decimal values to OLE Automation Currency values.
        ShowDecimalToOACurrency(System.Convert.ToDecimal(0));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(1));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (1.0000000000000000000000000000));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(100000000000000D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (100000000000000.00000000000000));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (10000000000000000000000000000D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (0.000000000123456789));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(0.123456789));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(123456789));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(123456789000000000D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal(4294967295D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (18446744073709551615D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (-79.228162514264337593543950335D));
        ShowDecimalToOACurrency(System.Convert.ToDecimal
            (-79228162514264.337593543950335D));
    } //main
} //DecimalToOACurrencyDemo

/*
This example of the decimal.ToOACurrency( ) method generates
the following output. It displays the argument as a decimal
and the OLE Automation Currency value as a long.

                       Argument   OA Currency or Exception
                       --------   ------------------------
                              0                          0
                              1                      10000
 1.0000000000000000000000000000                      10000
                100000000000000        1000000000000000000
 100000000000000.00000000000000        1000000000000000000
  10000000000000000000000000000          OverflowException
           0.000000000123456789                          0
                    0.123456789                       1235
                      123456789              1234567890000
             123456789000000000          OverflowException
                     4294967295             42949672950000
           18446744073709551615          OverflowException
-79.228162514264337593543950335                    -792282
-79228162514264.337593543950335        -792281625142643376
*/

プラットフォーム

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
Decimal 構造体
Decimal メンバ
System 名前空間
FromOACurrency