Stack.ToArray Méthode

public:
 virtual cli::array <System::Object ^> ^ ToArray();

public virtual object[] ToArray ();

public virtual object?[] ToArray ();

abstract member ToArray : unit -> obj[]
override this.ToArray : unit -> obj[]

Public Overridable Function ToArray () As Object()

Retours

Nouveau tableau contenant les copies des éléments de Stack.

Exemples

L’exemple suivant montre comment copier un Stack dans un tableau unidimensionnel.

using namespace System;
using namespace System::Collections;
void PrintValues( Array^ myArr, char mySeparator );
int main()
{
   // Creates and initializes the source Stack.
   Stack^ mySourceQ = gcnew Stack;
   mySourceQ->Push( "barn" );
   mySourceQ->Push( "the" );
   mySourceQ->Push( "in" );
   mySourceQ->Push( "cats" );
   mySourceQ->Push( "napping" );
   mySourceQ->Push( "three" );

   // Creates and initializes the one-dimensional target Array.
   Array^ myTargetArray = Array::CreateInstance( String::typeid, 15 );
   myTargetArray->SetValue( "The", 0 );
   myTargetArray->SetValue( "quick", 1 );
   myTargetArray->SetValue( "brown", 2 );
   myTargetArray->SetValue( "fox", 3 );
   myTargetArray->SetValue( "jumps", 4 );
   myTargetArray->SetValue( "over", 5 );
   myTargetArray->SetValue( "the", 6 );
   myTargetArray->SetValue( "lazy", 7 );
   myTargetArray->SetValue( "dog", 8 );

   // Displays the values of the target Array.
   Console::WriteLine( "The target Array contains the following (before and after copying):" );
   PrintValues( myTargetArray, ' ' );

   // Copies the entire source Stack to the target Array, starting at index 6.
   mySourceQ->CopyTo( myTargetArray, 6 );

   // Displays the values of the target Array.
   PrintValues( myTargetArray, ' ' );

   // Copies the entire source Stack to a new standard array.
   array<Object^>^myStandardArray = mySourceQ->ToArray();

   // Displays the values of the new standard array.
   Console::WriteLine( "The new standard array contains the following:" );
   PrintValues( myStandardArray, ' ' );
}

void PrintValues( Array^ myArr, char mySeparator )
{
   IEnumerator^ myEnum = myArr->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      Object^ myObj = safe_cast<Object^>(myEnum->Current);
      Console::Write( "{0}{1}", mySeparator, myObj );
   }

   Console::WriteLine();
}

/* 
 This code produces the following output.
 
 The target Array contains the following (before and after copying):
  The quick brown fox jumps over the lazy dog      
  The quick brown fox jumps over three napping cats in the barn   
 The new standard array contains the following:
  three napping cats in the barn
 */

using System;
using System.Collections;
public class SamplesStack  {

   public static void Main()  {

      // Creates and initializes the source Stack.
      Stack mySourceQ = new Stack();
      mySourceQ.Push( "barn" );
      mySourceQ.Push( "the" );
      mySourceQ.Push( "in" );
      mySourceQ.Push( "cats" );
      mySourceQ.Push( "napping" );
      mySourceQ.Push( "three" );

      // Creates and initializes the one-dimensional target Array.
      Array myTargetArray=Array.CreateInstance( typeof(string), 15 );
      myTargetArray.SetValue( "The", 0 );
      myTargetArray.SetValue( "quick", 1 );
      myTargetArray.SetValue( "brown", 2 );
      myTargetArray.SetValue( "fox", 3 );
      myTargetArray.SetValue( "jumps", 4 );
      myTargetArray.SetValue( "over", 5 );
      myTargetArray.SetValue( "the", 6 );
      myTargetArray.SetValue( "lazy", 7 );
      myTargetArray.SetValue( "dog", 8 );

      // Displays the values of the target Array.
      Console.WriteLine( "The target Array contains the following (before and after copying):" );
      PrintValues( myTargetArray, ' ' );

      // Copies the entire source Stack to the target Array, starting at index 6.
      mySourceQ.CopyTo( myTargetArray, 6 );

      // Displays the values of the target Array.
      PrintValues( myTargetArray, ' ' );

      // Copies the entire source Stack to a new standard array.
      Object[] myStandardArray = mySourceQ.ToArray();

      // Displays the values of the new standard array.
      Console.WriteLine( "The new standard array contains the following:" );
      PrintValues( myStandardArray, ' ' );
   }

   public static void PrintValues( Array myArr, char mySeparator )  {
      foreach ( Object myObj in myArr )  {
         Console.Write( "{0}{1}", mySeparator, myObj );
      }
      Console.WriteLine();
   }
}


/*
This code produces the following output.

The target Array contains the following (before and after copying):
 The quick brown fox jumps over the lazy dog
 The quick brown fox jumps over three napping cats in the barn
The new standard array contains the following:
 three napping cats in the barn
*/

Imports System.Collections

Public Class SamplesStack    
    
    Public Shared Sub Main()
        
        ' Creates and initializes the source Stack.
        Dim mySourceQ As New Stack()
        mySourceQ.Push("barn")
        mySourceQ.Push("the")
        mySourceQ.Push("in")
        mySourceQ.Push("cats")
        mySourceQ.Push("napping")
        mySourceQ.Push("three")
        
        ' Creates and initializes the one-dimensional target Array.
        Dim myTargetArray As Array = Array.CreateInstance(GetType(String), 15)
        myTargetArray.SetValue("The", 0)
        myTargetArray.SetValue("quick", 1)
        myTargetArray.SetValue("brown", 2)
        myTargetArray.SetValue("fox", 3)
        myTargetArray.SetValue("jumps", 4)
        myTargetArray.SetValue("over", 5)
        myTargetArray.SetValue("the", 6)
        myTargetArray.SetValue("lazy", 7)
        myTargetArray.SetValue("dog", 8)
        
        ' Displays the values of the target Array.
        Console.WriteLine("The target Array contains the " & _
           "following (before and after copying):")
        PrintValues(myTargetArray, " "c)
        
        ' Copies the entire source Stack to the target Array, starting
        ' at index 6.
        mySourceQ.CopyTo(myTargetArray, 6)
        
        ' Displays the values of the target Array.
        PrintValues(myTargetArray, " "c)
        
        ' Copies the entire source Stack to a new standard array.
        Dim myStandardArray As Object() = mySourceQ.ToArray()
        
        ' Displays the values of the new standard array.
        Console.WriteLine("The new standard array contains the following:")
        PrintValues(myStandardArray, " "c)
    End Sub    
    
    Overloads Public Shared Sub PrintValues(myArr As Array, _
       mySeparator As Char)
       
        Dim myObj As Object
        For Each myObj In  myArr
            Console.Write("{0}{1}", mySeparator, myObj)
        Next myObj
        Console.WriteLine()
    End Sub

End Class


' This code produces the following output.
'
' The target Array contains the following (before and after copying):
'  The quick brown fox jumps over the lazy dog
'  The quick brown fox jumps over three napping cats in the barn
' The new standard array contains the following:
'  three napping cats in the barn

Remarques

Les éléments sont copiés dans le tableau dans l’ordre lifo (dernier entré, premier sorti), semblable à l’ordre des éléments retournés par une succession d’appels à Pop.

Cette méthode est une O(n) opération, où n est Count.

S’applique à

Voir aussi

• CopyTo(Array, Int32)
• Pop()