Int32.MaxValue Champ

Référence

Définition

Espace de noms:: System

Assemblys:: mscorlib.dll, System.Runtime.dll

Assemblys:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: Int32.cs

Source:: Int32.cs

Source:: Int32.cs

Important

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Représente la plus grande valeur possible d'un Int32. Ce champ est constant.

public: int MaxValue = 2147483647;

public const int MaxValue = 2147483647;

val mutable MaxValue : int

Public Const MaxValue As Integer  = 2147483647

Valeur de champ

Value = 2147483647

Int32

Exemples

L’exemple suivant utilise la MaxValue propriété pour empêcher un lors de OverflowException la conversion en valeur Int32 .

using namespace System;

void main()
{
   array<Int64>^ numbersToConvert = gcnew array<Int64> { 162345, 32183, -54000, 
                                                         Int64::MaxValue/2 };
   Int32 newNumber;
   for each (Int64 number in numbersToConvert)
   {
      if ((number >= Int32::MinValue) && (number <= Int32::MaxValue))
      {
         newNumber = Convert::ToInt32(number);
         Console::WriteLine("Successfully converted {0} to an Int32.", 
                           newNumber);
      }
      else
      {
         Console::WriteLine("Unable to convert {0} to an Int32.", number);
      }
   }
}
// The example displays the following output to the console:
//    Successfully converted 162345 to an Int32.
//    Successfully converted 32183 to an Int32.
//    Successfully converted -54000 to an Int32.
//    Unable to convert 4611686018427387903 to an Int32.

using System;

public class Class1
{
   public static void Main()
   {
      long[] numbersToConvert = { 162345, 32183, -54000, Int64.MaxValue/2 };
      int newNumber;
      foreach (long number in numbersToConvert)
      {
         if (number >= Int32.MinValue && number <= Int32.MaxValue)
         {
            newNumber = Convert.ToInt32(number);
            Console.WriteLine($"Successfully converted {newNumber} to an Int32.");
         }
         else
         {
            Console.WriteLine($"Unable to convert {number} to an Int32.");
         }
      }
   }
}
// The example displays the following output to the console:
//    Successfully converted 162345 to an Int32.
//    Successfully converted 32183 to an Int32.
//    Successfully converted -54000 to an Int32.
//    Unable to convert 4611686018427387903 to an Int32.

open System

let numbersToConvert = [ 162345L; 32183L; -54000L; Int64.MaxValue / 2L ]
for number in numbersToConvert do
    if number >= Int32.MinValue && number <= Int32.MaxValue then
        let newNumber = Convert.ToInt32 number
        printfn $"Successfully converted {newNumber} to an Int32."
    else
        printfn $"Unable to convert {number} to an Int32."
   

// The example displays the following output to the console:
//    Successfully converted 162345 to an Int32.
//    Successfully converted 32183 to an Int32.
//    Successfully converted -54000 to an Int32.
//    Unable to convert 4611686018427387903 to an Int32.

Module modMain
   Public Sub Main()
      Dim numbersToConvert() As Long = { 162345, 32183, -54000, Int64.MaxValue\2 }
      Dim newNumber As Integer
      For Each number As Long In NumbersToConvert
         If number >= Int32.MinValue And number <= Int32.MaxValue Then
            newNumber = Convert.ToInt32(number)
            Console.WriteLine("Successfully converted {0} to an Int32.", _
                              newNumber)
         Else
            Console.WriteLine("Unable to convert {0} to an Int32.", number)
         End If                     
      Next
   End Sub
End Module
' The example displays the following output to the console:
'       Successfully converted 162345 to an Int32.
'       Successfully converted 32183 to an Int32.
'       Successfully converted -54000 to an Int32.
'       Unable to convert 4611686018427387903 to an Int32.

Remarques

La valeur de cette constante est 2 147 483 647 ; c’est-à-dire, 0x7FFFFFFF hexadécimaux.

S’applique à

Produit	Versions
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP	10.0

Voir aussi

MinValue

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