Triplet 類別

定義

public ref class Triplet

public ref class Triplet sealed

public class Triplet

[System.Serializable]
public sealed class Triplet

type Triplet = class

[<System.Serializable>]
type Triplet = class

Public Class Triplet

Public NotInheritable Class Triplet

繼承

Object

Triplet

屬性

SerializableAttribute

範例

以下範例使用一個 Triplet 物件來儲存三個整數值，另一個 Triplet 物件則用於儲存三個標籤控制項。

<%@ Page Language="C#" %>
<!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 Page_Load(object sender, EventArgs e)
    {
        Triplet circle = new Triplet(5, 7, 3);
        lblCircle.Text = "X position: " + circle.First +
            "<br />Y position: " + circle.Second +
            "<br />Radius: " + circle.Third;

        Triplet labels = new Triplet(Label1, Label2, Label3);
        Label1.Text = "Type: " + labels.First.GetType().ToString();
        Label2.Text = "ToString: " + labels.Second.ToString();
        Label3.Text = "HashCode: " + labels.Third.GetHashCode();
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Triplet Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h3>Circle Dimensions</h3>
        <asp:Label ID="lblCircle" runat="server" /><br /><br />
        <h3>Labels Within a Triplet</h3>
        Note that only object methods are available to members of a triplet regardless of type.<br />
        <asp:Label ID="Label1" runat="server" /><br />
        <asp:Label ID="Label2" runat="server" /><br />
        <asp:Label ID="Label3" runat="server" /></div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim circle As New Triplet(5, 7, 3)
        lblCircle.Text = "X position: " & circle.First & _
            "<br />Y position: " & circle.Second & _
            "<br />Radius: " & circle.Third

        Dim labels As New Triplet(Label1, Label2, Label3)
        Label1.Text = "Type: " & labels.First.GetType().ToString()
        Label2.Text = "ToString: " & labels.Second.ToString()
        Label3.Text = "HashCode: " & labels.Third.GetHashCode()
    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Triplet Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h3>Circle Dimensions</h3>
        <asp:Label ID="lblCircle" runat="server" /><br /><br />
        <h3>Labels Within a Triplet</h3>
        Note that only object methods are available to members of a triplet regardless of type.<br />
        <asp:Label ID="Label1" runat="server" /><br />
        <asp:Label ID="Label2" runat="server" /><br />
        <asp:Label ID="Label3" runat="server" /></div>
    </form>
</body>
</html>

備註

這個 Triplet 類別被用作儲存三個相關物件的基本結構。 它是一個在 ASP.NET 中以多種方式使用的實用類別。 你可以在任何需要結構體包含三個相關物件且不需要隱藏資料的地方，使用這個 Triplet 類別。 該 Triplet 類別不會將其 object 參考 First、 Second、 Third、 封裝在屬性中;它會直接將這些 、 暴露給所有呼叫的程式碼，作為公開類別欄位。