指定した 64 ビット符号付き整数の値を等価の String 形式に変換します。
Overloads Public Shared Function ToString( _
ByVal value As Long, _ ByVal provider As IFormatProvider _) As String
[C#]
public static string ToString(longvalue,IFormatProviderprovider);
[C++]
public: static String* ToString(__int64value,IFormatProvider* provider);
[JScript]
public static function ToString(
value : long,provider : IFormatProvider) : String;
パラメータ
- value
64 ビット符号付き整数。 - provider
カルチャに固有の書式情報を提供する IFormatProvider インターフェイス実装。
戻り値
value の値と等価な String 。
解説
この実装は、 Int64.ToString と同じです。
使用例
[Visual Basic, C#, C++] IFormatProvider オブジェクトを使用し、 ToString メソッドで Int64 (64 ビット整数) を String に変換するコード例を次に示します。
' Example of the Convert.ToString( numeric types ) and
' Convert.ToString( numeric types, IFormatProvider ) methods.
Imports System
Imports System.Globalization
Imports Microsoft.VisualBasic
Module ConvertNumericProviderDemo
Sub Main( )
' Create a NumberFormatInfo object and set several of its
' properties that apply to numbers.
Dim provider As NumberFormatInfo = new NumberFormatInfo( )
Dim formatter As String = "{0,22} {1}"
' These properties will affect the conversion.
provider.NegativeSign = "minus "
provider.NumberDecimalSeparator = " point "
' These properties will not be applied.
provider.NumberDecimalDigits = 2
provider.NumberGroupSeparator = "."
provider.NumberGroupSizes = New Integer( ) { 3 }
' Convert these values using default values and the
' format provider created above.
Dim ByteA As Byte = 140
Dim SByteA As SByte = Convert.ToSByte( -60 )
Dim UInt16A As UInt16 = Convert.ToUInt16( 61680 )
Dim Int16A As Short = -3855
Dim UInt32A As UInt32 = Convert.ToUInt32( 4042322160 )
Dim Int32A As Integer = -252645135
Dim UInt64A As UInt64 = _
Convert.ToUInt64( 8138269444283625712 )
Dim Int64A As Long = -1085102592571150095
Dim SingleA As Single = -32.375F
Dim DoubleA As Double = 61680.3855
Dim DecimA As Decimal = 4042322160.252645135D
Dim ObjDouble As Object = CType( -98765.4321, Object )
Console.WriteLine( "This example of " & _
"Convert.ToString( numeric types ) and " & vbCrLf & _
"Convert.ToString( numeric types, IFormatProvider ) " & _
vbCrLf & "converts values of each of the CLR base " & _
"numeric types to strings, " & vbCrLf & "using " & _
"default formatting and a NumberFormatInfo object." )
Console.WriteLine( vbCrLf & _
"Note: Of the several NumberFormatInfo properties " & _
"that are changed, " & vbCrLf & "only the negative " & _
"sign and decimal separator affect the conversions." )
Console.WriteLine( vbCrLf & formatter, _
"Default", "Format Provider" )
Console.WriteLine( formatter, _
"-------", "---------------" )
' Convert the values with and without a format provider.
Console.WriteLine( formatter, Convert.ToString( ByteA ), _
Convert.ToString( ByteA, provider ) )
Console.WriteLine( formatter, Convert.ToString( SByteA ), _
Convert.ToString( SByteA, provider ) )
Console.WriteLine( formatter, Convert.ToString( UInt16A ), _
Convert.ToString( UInt16A, provider ) )
Console.WriteLine( formatter, Convert.ToString( Int16A ), _
Convert.ToString( Int16A, provider ) )
Console.WriteLine( formatter, Convert.ToString( UInt32A ), _
Convert.ToString( UInt32A, provider ) )
Console.WriteLine( formatter, Convert.ToString( Int32A ), _
Convert.ToString( Int32A, provider ) )
Console.WriteLine( formatter, Convert.ToString( UInt64A ), _
Convert.ToString( UInt64A, provider ) )
Console.WriteLine( formatter, Convert.ToString( Int64A ), _
Convert.ToString( Int64A, provider ) )
Console.WriteLine( formatter, Convert.ToString( SingleA ), _
Convert.ToString( SingleA, provider ) )
Console.WriteLine( formatter, Convert.ToString( DoubleA ), _
Convert.ToString( DoubleA, provider ) )
Console.WriteLine( formatter, Convert.ToString( DecimA ), _
Convert.ToString( DecimA, provider ) )
Console.WriteLine( formatter, Convert.ToString( ObjDouble ), _
Convert.ToString( ObjDouble, provider ) )
End Sub
End Module
' This example of Convert.ToString( numeric types ) and
' Convert.ToString( numeric types, IFormatProvider )
' converts values of each of the CLR base numeric types to strings,
' using default formatting and a NumberFormatInfo object.
'
' Note: Of the several NumberFormatInfo properties that are changed,
' only the negative sign and decimal separator affect the conversions.
'
' Default Format Provider
' ------- ---------------
' 140 140
' -60 minus 60
' 61680 61680
' -3855 minus 3855
' 4042322160 4042322160
' -252645135 minus 252645135
' 8138269444283625712 8138269444283625712
' -1085102592571150095 minus 1085102592571150095
' -32.375 minus 32 point 375
' 61680.3855 61680 point 3855
' 4042322160.252645135 4042322160 point 252645135
' -98765.4321 minus 98765 point 4321
[C#]
// Example of the Convert.ToString( numeric types ) and
// Convert.ToString( numeric types, IFormatProvider ) methods.
using System;
using System.Globalization;
class ConvertNumericProviderDemo
{
static void Main( )
{
// Create a NumberFormatInfo object and set several of its
// properties that apply to numbers.
NumberFormatInfo provider = new NumberFormatInfo( );
string formatter = "{0,22} {1}";
// These properties will affect the conversion.
provider.NegativeSign = "minus ";
provider.NumberDecimalSeparator = " point ";
// These properties will not be applied.
provider.NumberDecimalDigits = 2;
provider.NumberGroupSeparator = ".";
provider.NumberGroupSizes = new int[ ] { 3 };
// Convert these values using default values and the
// format provider created above.
byte ByteA = 140;
SByte SByteA = -60;
UInt16 UInt16A = 61680;
short Int16A = -3855;
UInt32 UInt32A = 4042322160;
int Int32A = -252645135;
UInt64 UInt64A = 8138269444283625712;
long Int64A = -1085102592571150095;
float SingleA = -32.375F;
double DoubleA = 61680.3855;
decimal DecimA = 4042322160.252645135M;
object ObjDouble = (object)( -98765.4321 );
Console.WriteLine( "This example of " +
"Convert.ToString( numeric types ) and \n" +
"Convert.ToString( numeric types, IFormatProvider ) \n" +
"converts values of each of the CLR base numeric types " +
"to strings, \nusing default formatting and a " +
"NumberFormatInfo object." );
Console.WriteLine(
"\nNote: Of the several NumberFormatInfo " +
"properties that are changed, \nonly the negative sign " +
"and decimal separator affect the conversions.\n" );
Console.WriteLine( formatter, "Default", "Format Provider" );
Console.WriteLine( formatter, "-------", "---------------" );
// Convert the values with and without a format provider.
Console.WriteLine( formatter, Convert.ToString( ByteA ),
Convert.ToString( ByteA, provider ) );
Console.WriteLine( formatter, Convert.ToString( SByteA ),
Convert.ToString( SByteA, provider ) );
Console.WriteLine( formatter, Convert.ToString( UInt16A ),
Convert.ToString( UInt16A, provider ) );
Console.WriteLine( formatter, Convert.ToString( Int16A ),
Convert.ToString( Int16A, provider ) );
Console.WriteLine( formatter, Convert.ToString( UInt32A ),
Convert.ToString( UInt32A, provider ) );
Console.WriteLine( formatter, Convert.ToString( Int32A ),
Convert.ToString( Int32A, provider ) );
Console.WriteLine( formatter, Convert.ToString( UInt64A ),
Convert.ToString( UInt64A, provider ) );
Console.WriteLine( formatter, Convert.ToString( Int64A ),
Convert.ToString( Int64A, provider ) );
Console.WriteLine( formatter, Convert.ToString( SingleA ),
Convert.ToString( SingleA, provider ) );
Console.WriteLine( formatter, Convert.ToString( DoubleA ),
Convert.ToString( DoubleA, provider ) );
Console.WriteLine( formatter, Convert.ToString( DecimA ),
Convert.ToString( DecimA, provider ) );
Console.WriteLine( formatter, Convert.ToString( ObjDouble ),
Convert.ToString( ObjDouble, provider ) );
}
}
/*
This example of Convert.ToString( numeric types ) and
Convert.ToString( numeric types, IFormatProvider )
converts values of each of the CLR base numeric types to strings,
using default formatting and a NumberFormatInfo object.
Note: Of the several NumberFormatInfo properties that are changed,
only the negative sign and decimal separator affect the conversions.
Default Format Provider
------- ---------------
140 140
-60 minus 60
61680 61680
-3855 minus 3855
4042322160 4042322160
-252645135 minus 252645135
8138269444283625712 8138269444283625712
-1085102592571150095 minus 1085102592571150095
-32.375 minus 32 point 375
61680.3855 61680 point 3855
4042322160.252645135 4042322160 point 252645135
-98765.4321 minus 98765 point 4321
*/
[C++]
// Example of the Convert::ToString( numeric types ) and
// Convert::ToString( numeric types, IFormatProvider* ) methods.
#using <mscorlib.dll>
using namespace System;
using namespace System::Globalization;
void main( )
{
// Create a NumberFormatInfo object and set several of its
// properties that apply to numbers.
NumberFormatInfo* provider = new NumberFormatInfo( );
String* formatter = S"{0,22} {1}";
// These properties will affect the conversion.
provider->NegativeSign = S"minus ";
provider->NumberDecimalSeparator = S" point ";
// These properties will not be applied.
provider->NumberDecimalDigits = 2;
provider->NumberGroupSeparator = S".";
Int32 sizes __gc [] = { 3 };
provider->NumberGroupSizes = sizes;
// Convert these values using default values and the
// format provider created above.
Byte ByteA = 140;
SByte SByteA = -60;
UInt16 UInt16A = 61680;
short Int16A = -3855;
UInt32 UInt32A = 4042322160;
int Int32A = -252645135;
UInt64 UInt64A = 8138269444283625712;
__int64 Int64A = -1085102592571150095;
float SingleA = -32.375F;
double DoubleA = 61680.3855;
Decimal DecimA =
Convert::ToDecimal( S"4042322160.252645135" );
Object* ObjDouble = __box( -98765.4321 );
Console::WriteLine( S"This example of "
S"Convert::ToString( numeric types ) and \n"
S"Convert::ToString( numeric types, IFormatProvider* ) \n"
S"converts values of each of the CLR base numeric types "
S"to strings, \nusing default formatting and a "
S"NumberFormatInfo object." );
Console::WriteLine(
S"\nNote: Of the several NumberFormatInfo "
S"properties that are changed, \nonly the negative sign "
S"and decimal separator affect the conversions.\n" );
Console::WriteLine( formatter, S"Default", S"Format Provider" );
Console::WriteLine( formatter, S"-------", S"---------------" );
// Convert the values with and without a format provider.
Console::WriteLine( formatter, Convert::ToString( ByteA ),
Convert::ToString( ByteA, provider ) );
Console::WriteLine( formatter, Convert::ToString( SByteA ),
Convert::ToString( SByteA, provider ) );
Console::WriteLine( formatter, Convert::ToString( UInt16A ),
Convert::ToString( UInt16A, provider ) );
Console::WriteLine( formatter, Convert::ToString( Int16A ),
Convert::ToString( Int16A, provider ) );
Console::WriteLine( formatter, Convert::ToString( UInt32A ),
Convert::ToString( UInt32A, provider ) );
Console::WriteLine( formatter, Convert::ToString( Int32A ),
Convert::ToString( Int32A, provider ) );
Console::WriteLine( formatter, Convert::ToString( UInt64A ),
Convert::ToString( UInt64A, provider ) );
Console::WriteLine( formatter, Convert::ToString( Int64A ),
Convert::ToString( Int64A, provider ) );
Console::WriteLine( formatter, Convert::ToString( SingleA ),
Convert::ToString( SingleA, provider ) );
Console::WriteLine( formatter, Convert::ToString( DoubleA ),
Convert::ToString( DoubleA, provider ) );
Console::WriteLine( formatter, Convert::ToString( DecimA ),
Convert::ToString( DecimA, provider ) );
Console::WriteLine( formatter, Convert::ToString( ObjDouble ),
Convert::ToString( ObjDouble, provider ) );
}
/*
This example of Convert::ToString( numeric types ) and
Convert::ToString( numeric types, IFormatProvider* )
converts values of each of the CLR base numeric types to strings,
using default formatting and a NumberFormatInfo object.
Note: Of the several NumberFormatInfo properties that are changed,
only the negative sign and decimal separator affect the conversions.
Default Format Provider
------- ---------------
140 140
-60 minus 60
61680 61680
-3855 minus 3855
4042322160 4042322160
-252645135 minus 252645135
8138269444283625712 8138269444283625712
-1085102592571150095 minus 1085102592571150095
-32.375 minus 32 point 375
61680.3855 61680 point 3855
4042322160.252645135 4042322160 point 252645135
-98765.4321 minus 98765 point 4321
*/
[JScript] JScript のサンプルはありません。Visual Basic、C#、および C++ のサンプルを表示するには、このページの左上隅にある言語のフィルタ ボタン .gif)
をクリックします。
必要条件
プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ, Common Language Infrastructure (CLI) Standard
参照
Convert クラス | Convert メンバ | System 名前空間 | Convert.ToString オーバーロードの一覧