32 ビット符号付き整数の値を、指定した基数で等価の String 形式に変換します。
Overloads Public Shared Function ToString( _
ByVal value As Integer, _ ByVal toBase As Integer _) As String
[C#]
public static string ToString(intvalue,inttoBase);
[C++]
public: static String* ToString(intvalue,inttoBase);
[JScript]
public static function ToString(
value : int,toBase : int) : String;
パラメータ
- value
32 ビット符号付き整数。 - toBase
戻り値の基数。これは 2、8、10、または 16 である必要があります。
戻り値
基数 toBase での value の String 形式。
例外
| 例外の種類 | 条件 |
|---|---|
| ArgumentException | toBase が 2、8、10、または 16 ではありません。 |
使用例
[Visual Basic, C#, C++] ToString メソッドを使用し、このメソッドがサポートする基数に従って、複数の Int32 (32 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( Integer, Integer ) method.
Imports System
Imports Microsoft.VisualBasic
Module ConvertRadixIntDemo
Sub RunToStringDemo( )
Dim values as Integer( ) = { _
Integer.MinValue, _
-100, _
0, _
99999, _
Integer.MaxValue }
Dim radices as Integer( ) = { 2, 8, 10, 16 }
' Iterate through the values array.
Dim value as Integer
For Each value in values
' Iterate through the radices.
Dim radix as Integer
For Each radix in radices
' Convert a value with a radix.
Dim valueString As String = _
Convert.ToString( value, radix )
Console.WriteLine( "{0,13} {1,3} {2}", _
value, radix, valueString )
Next radix
Next value
End Sub
Sub Main( )
Console.WriteLine( _
"This example of Convert.ToString( Integer, Integer " & _
") generates " & vbCrLf & "the following output. It " & _
"converts several Integer values to " & vbCrLf & _
"strings using the radixes supported by the method." )
Console.WriteLine( vbCrLf & _
" Value Radix String" & vbCrLf & _
" ----- ----- ------" )
RunToStringDemo( )
End Sub
End Module
' This example of Convert.ToString( Integer, Integer ) generates
' the following output. It converts several Integer values to
' strings using the radixes supported by the method.
'
' Value Radix String
' ----- ----- ------
' -2147483648 2 10000000000000000000000000000000
' -2147483648 8 20000000000
' -2147483648 10 -2147483648
' -2147483648 16 80000000
' -100 2 11111111111111111111111110011100
' -100 8 37777777634
' -100 10 -100
' -100 16 ffffff9c
' 0 2 0
' 0 8 0
' 0 10 0
' 0 16 0
' 99999 2 11000011010011111
' 99999 8 303237
' 99999 10 99999
' 99999 16 1869f
' 2147483647 2 1111111111111111111111111111111
' 2147483647 8 17777777777
' 2147483647 10 2147483647
' 2147483647 16 7fffffff
[C#]
// Example of the Convert.ToString( int, int ) method.
using System;
class ConvertRadixIntDemo
{
static void RunToStringDemo( )
{
int[ ] values = {
int.MinValue,
-100,
0,
99999,
int.MaxValue };
int[ ] radices = { 2, 8, 10, 16 };
// Iterate through the values array.
foreach( int value in values )
{
// Iterate through the radices.
foreach( int radix in radices )
{
// Convert a value with a radix.
string valueString =
Convert.ToString( value, radix );
Console.WriteLine( "{0,13} {1,3} {2}",
value, radix, valueString );
}
}
}
static void Main( )
{
Console.WriteLine(
"This example of Convert.ToString( int, int ) " +
"generates \nthe following output. It converts several " +
"int values to \nstrings using the radixes supported " +
"by the method." );
Console.WriteLine(
"\n Value Radix String" +
"\n ----- ----- ------" );
RunToStringDemo( );
}
}
/*
This example of Convert.ToString( int, int ) generates
the following output. It converts several int values to
strings using the radixes supported by the method.
Value Radix String
----- ----- ------
-2147483648 2 10000000000000000000000000000000
-2147483648 8 20000000000
-2147483648 10 -2147483648
-2147483648 16 80000000
-100 2 11111111111111111111111110011100
-100 8 37777777634
-100 10 -100
-100 16 ffffff9c
0 2 0
0 8 0
0 10 0
0 16 0
99999 2 11000011010011111
99999 8 303237
99999 10 99999
99999 16 1869f
2147483647 2 1111111111111111111111111111111
2147483647 8 17777777777
2147483647 10 2147483647
2147483647 16 7fffffff
*/
[C++]
// Example of the Convert::ToString( int, int ) method.
#using <mscorlib.dll>
using namespace System;
using namespace System::Collections;
void RunToStringDemo( )
{
int values __gc [ ] = {
Int32::MinValue,
-100,
0,
99999,
Int32::MaxValue };
int radices[ 4 ] = { 2, 8, 10, 16 };
// Implement foreach( int value in values ).
IEnumerator* myEnum = values->GetEnumerator( );
while( myEnum->MoveNext( ) )
{
int value = Convert::ToInt32( myEnum->Current );
// Iterate through the radices.
for( int i = 0; i < 4; i++ )
{
// Convert a value with a radix.
int radix = radices[ i ];
String* valueString =
Convert::ToString( value, radix );
Console::WriteLine( S"{0,12} {1,3} {2}",
__box( value ), __box( radix ), valueString );
}
}
}
void main()
{
Console::WriteLine(
S"This example of Convert::ToString( int, int ) "
S"generates \nthe following output. It converts several "
S"int values to \nstrings using the radixes supported "
S"by the method." );
Console::WriteLine(
S"\n Value Radix String"
S"\n ----- ----- ------" );
RunToStringDemo( );
}
/*
This example of Convert::ToString( int, int ) generates
the following output. It converts several int values to
strings using the radixes supported by the method.
Value Radix String
----- ----- ------
-2147483648 2 10000000000000000000000000000000
-2147483648 8 20000000000
-2147483648 10 -2147483648
-2147483648 16 80000000
-100 2 11111111111111111111111110011100
-100 8 37777777634
-100 10 -100
-100 16 ffffff9c
0 2 0
0 8 0
0 10 0
0 16 0
99999 2 11000011010011111
99999 8 303237
99999 10 99999
99999 16 1869f
2147483647 2 1111111111111111111111111111111
2147483647 8 17777777777
2147483647 10 2147483647
2147483647 16 7fffffff
*/
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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, .NET Compact Framework - Windows CE .NET
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