Stack.Clear Method

public:
 virtual void Clear();

public virtual void Clear();

abstract member Clear : unit -> unit
override this.Clear : unit -> unit

Public Overridable Sub Clear ()

Examples

The following example shows how to clear the values of the Stack.

using System;
using System.Collections;

public class SamplesStack {

 public static void Main() {

 // Creates and initializes a new Stack.
 Stack myStack = new Stack();
 myStack.Push( "The" );
 myStack.Push( "quick" );
 myStack.Push( "brown" );
 myStack.Push( "fox" );
 myStack.Push( "jumps" );

 // Displays the count and values of the Stack.
 Console.WriteLine( "Initially," );
 Console.WriteLine( " Count : {0}", myStack.Count );
 Console.Write( " Values:" );
 PrintValues( myStack );

 // Clears the Stack.
 myStack.Clear();

 // Displays the count and values of the Stack.
 Console.WriteLine( "After Clear," );
 Console.WriteLine( " Count : {0}", myStack.Count );
 Console.Write( " Values:" );
 PrintValues( myStack );
 }

 public static void PrintValues( IEnumerable myCollection ) {
 foreach ( Object obj in myCollection )
 Console.Write( " {0}", obj );
 Console.WriteLine();
 }
}


/*
This code produces the following output.

Initially,
 Count : 5
 Values: jumps fox brown quick The
After Clear,
 Count : 0
 Values:
*/

Imports System.Collections

Public Class SamplesStack 
 
 Public Shared Sub Main()
 
 ' Creates and initializes a new Stack.
 Dim myStack As New Stack()
 myStack.Push("The")
 myStack.Push("quick")
 myStack.Push("brown")
 myStack.Push("fox")
 myStack.Push("jumps")
 
 ' Displays the count and values of the Stack.
 Console.WriteLine("Initially,")
 Console.WriteLine(" Count : {0}", myStack.Count)
 Console.Write(" Values:")
 PrintValues(myStack)
 
 ' Clears the Stack.
 myStack.Clear()
 
 ' Displays the count and values of the Stack.
 Console.WriteLine("After Clear,")
 Console.WriteLine(" Count : {0}", myStack.Count)
 Console.Write(" Values:")
 PrintValues(myStack)

 End Sub 

 Public Shared Sub PrintValues(myCollection As IEnumerable)
 Dim obj As [Object]
 For Each obj In myCollection
 Console.Write(" {0}", obj)
 Next obj
 Console.WriteLine()
 End Sub

End Class


' This code produces the following output.
' 
' Initially,
' Count : 5
' Values: jumps fox brown quick The
' After Clear,
' Count : 0
' Values:

Remarks

Count is set to zero, and references to other objects from elements of the collection are also released.

This method is an O(n) operation, where n is Count.