Decimal.Compare(Decimal, Decimal) Decimal.Compare(Decimal, Decimal) Decimal.Compare(Decimal, Decimal) Decimal.Compare(Decimal, Decimal) Method

定義

名前空間:
System System System System
Assemblies:
System.Runtime.dll, mscorlib.dll, netstandard.dll

2 つの指定した Decimal 値を比較します。Compares two specified Decimal values.

public:
 static int Compare(System::Decimal d1, System::Decimal d2);
public static int Compare (decimal d1, decimal d2);
static member Compare : decimal * decimal -> int
Public Shared Function Compare (d1 As Decimal, d2 As Decimal) As Integer

パラメーター

d1
Decimal Decimal Decimal Decimal

比較する最初の値です。The first value to compare.

d2
Decimal Decimal Decimal Decimal

比較する 2 番目の値です。The second value to compare.

戻り値

Int32 Int32 Int32 Int32

d1 と d2 の相対値を示す符号付き数値。A signed number indicating the relative values of d1 and d2.

戻り値Return value 説明Meaning
0 より小さい値Less than zero d1 は d2 より小さい値です。d1 is less than d2.
0Zero d1 と d2 が等しい。d1 and d2 are equal.
0 より大きい値Greater than zero d1 が d2 より大きくなっています。d1 is greater than d2.

例

次の例がいくつかを比較Decimal値。The following example compares several Decimal values. 最初の比較では、2 つの値が減算演算の実行に関係なく等しいことを示しますが、value2変数。Note that the first comparison indicates that the two values are equal despite the subtraction operation performed on the value2 variable. これは、ため、Decimal型に 29 桁の精度、これら 2 つの値の違いは、30 桁の精度でのみ検出できます。This is because the Decimal type has 29 digits of precision, whereas a difference between these two values can be detected only with 30 digits of precision. 

using System;

public enum Relationship
{  LessThan = -1, Equals = 0, GreaterThan = 1 }

public class Example
{
   public static void Main()
   {
      decimal value1 = Decimal.MaxValue;
      decimal value2 = value1 - .01m;
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        (Relationship) Decimal.Compare(value1, value2));   
   
      value2 = value1 / 12m - .1m;
      value1 = value1 / 12m;
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        (Relationship) Decimal.Compare(value1, value2));   
   
      value1 = value1 - .2m;
      value2 = value2 + .1m;
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        (Relationship) Decimal.Compare(value1, value2));   
   }
}
// The example displays the following output:
//     79228162514264337593543950335 Equals 79228162514264337593543950335
//     6602346876188694799461995861.2 GreaterThan 6602346876188694799461995861.1
//     6602346876188694799461995861.0 LessThan 6602346876188694799461995861.2

Public Enum Relationship As Integer
    LessThan = -1
    Equals = 0
    GreaterThan = 1
End Enum

Module Example
   Public Sub Main()
      Dim value1 As Decimal = Decimal.MaxValue
      Dim value2 As Decimal = value1 - .01d
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        CType(Decimal.Compare(value1, value2), Relationship))   
   
      value2 = value1 / 12d - .1d
      value1 = value1 / 12d
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        CType(Decimal.Compare(value1, value2), Relationship))   
   
      value1 = value1 - .2d
      value2 = value2 + .1d
      Console.WriteLine("{0} {2} {1}", value1, value2, 
                        CType(Decimal.Compare(value1, value2), Relationship))   
   End Sub
End Module
' The example displays the following output:
'     79228162514264337593543950335 Equals 79228162514264337593543950335
'     6602346876188694799461995861.2 GreaterThan 6602346876188694799461995861.1
'     6602346876188694799461995861.0 LessThan 6602346876188694799461995861.2

適用対象

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