Stack Peek() Method
StackPeekMethod.aspx
<%@ Page Language="C#" AutoEventWireup="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
Stack colors = new Stack();
colors.Push("Green");
colors.Push("SeaGreen");
colors.Push("MediumSeaGreen");
colors.Push("DarkGreen");
colors.Push("LawnGreen");
Label1.Text = "Stack Elements... ";
Label1.Text += "<font color=SlateBlue>";
foreach (string color in colors)
{
Label1.Text += "<br />" + color;
}
Label1.Text += "</font>";
Label1.Text += "<br /><br />Get the object at the top of the Stack";
Label1.Text += "<br />without removing it using Peek() method.... <br />";
Label1.Text += "<font color=SlateBlue>";
Label1.Text += colors.Peek().ToString();
Label1.Text += "</font>";
Label1.Text += "<br /><br />After Call Peek() Method, Now Stack Elements... ";
Label1.Text += "<font color=SlateBlue>";
foreach (string color in colors)
{
Label1.Text += "<br />" + color;
}
Label1.Text += "</font>";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Stack Peek() Method - How to get the object at the top of the Stack without removing it</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:MidnightBlue; font-style:italic;">
System.Collections.Stack Peek() Method
<br /> How to get the object at the top of the Stack without removing it
</h2>
<hr width="625" align="left" color="Navy" />
<br />
<asp:Label
ID="Label1"
runat="server"
ForeColor="MediumVioletRed"
Font-Size="Large"
Font-Names="Courier New"
Font-Italic="true"
Font-Bold="true"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
OnClick="Button1_Click"
Text="Test Stack Peek() Method"
Height="45"
Font-Bold="true"
ForeColor="DodgerBlue"
/>
</div>
</form>
</body>
</html>