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HotSpotCollection Konstruktor

  • Referensi

Definisi

Ruang nama:
System.Web.UI.WebControls
Rakitan:
System.Web.dll

Menginisialisasi instans baru kelas HotSpotCollection.

public:
 HotSpotCollection();
public HotSpotCollection ();
Public Sub New ()

Contoh

Contoh kode berikut menunjukkan cara menggunakan CircleHotSpot konstruktor untuk membuat dua CircleHotSpot objek secara terprogram dan menambahkannya ke ImageMap kontrol. Agar contoh ini berfungsi dengan benar, Anda harus menyediakan gambar Anda sendiri untuk ImageUrl properti dan memperbarui jalur ke gambar dengan tepat sehingga aplikasi dapat menemukannya.

<%@ 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">
  void Page_Load (Object sender, EventArgs e)
  {
    // Programmatically create an ImageMap control.
    ImageMap Shop = new ImageMap();
    
    // Set properties on the ImageMap control.
    Shop.ImageUrl = "Images/ShopChoice.jpg";
    Shop.AlternateText = "Shopping choices";

    // Add the ImageMap control to the 
    // Controls collection of the page.
    Page.Controls.Add(Shop);

    // Programmatically create a CircleHotSpot object.
    CircleHotSpot Circle1 = new CircleHotSpot();
    Circle1.HotSpotMode = HotSpotMode.Navigate;
    Circle1.NavigateUrl = "http://www.tailspintoys.com";
    Circle1.X = 145;
    Circle1.Y = 120;
    Circle1.Radius = 75;
    Circle1.AlternateText = "Shop for toys";

    // Add Circle1 to the ImageMap's HotSpotCollection.    
    Shop.HotSpots.Add(Circle1);

    // Programmatically create a second CircleHotSpot object.
    CircleHotSpot Circle2 = new CircleHotSpot();
    Circle2.HotSpotMode = HotSpotMode.Navigate;
    Circle2.NavigateUrl = "http://www.cohowinery.com";
    Circle2.X = 145;
    Circle2.Y = 290;
    Circle2.Radius = 75;
    Circle2.AlternateText = "Shop for wine";

    // Add Circle2 to the ImageMap's HotSpotCollection.    
    Shop.HotSpots.Add(Circle2);
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="head1" runat="server">
  <title>ImageMap Class C# Constructor Example</title>
</head>
  <body>
    <form id="form1" runat="server">
    
      <h3>ImageMap Class C# Constructor Example</h3>
      
      <h4>Shopping Choices:</h4>
      
    </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">
  
  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
    
    ' Programmatically create an ImageMap control.
    Dim Shop As New ImageMap
    Shop.ImageUrl = "Images/ShopChoice.jpg"
    Shop.AlternateText = "Shopping choices"
    
    ' Add the ImageMap control to the 
    ' Controls collection of the page.
    Page.Controls.Add(Shop)
    
    ' Programmatically create a CircleHotSpot object.
    Dim Circle1 As New CircleHotSpot
    Circle1.HotSpotMode = HotSpotMode.Navigate
    Circle1.NavigateUrl = "http://www.tailspintoys.com"
    Circle1.X = 145
    Circle1.Y = 120
    Circle1.Radius = 75
    Circle1.AlternateText = "Shop for toys"
    
    ' Add Circle1 to the ImageMap's HotSpotCollection.    
    Shop.HotSpots.Add(Circle1)
    
    ' Programmatically create a second CircleHotSpot object.
    Dim Circle2 As New CircleHotSpot
    Circle2.HotSpotMode = HotSpotMode.Navigate
    Circle2.NavigateUrl = "http://www.cohowinery.com"
    Circle2.X = 145
    Circle2.Y = 290
    Circle2.Radius = 75
    Circle2.AlternateText = "Shop for wine"

    
    ' Add Circle2 to the ImageMap's HotSpotCollection.    
    Shop.HotSpots.Add(Circle2)
    
  End Sub
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="head1" runat="server">
  <title>ImageMap Class VB Constructor Example</title>
</head>
  <body>
    <form id="form1" runat="server">
    
      <h3>ImageMap Class VB Constructor Example</h3>
      
      <h4>Shopping Choices:</h4>
      
    </form>      
  </body>
</html>

Keterangan

Ketika ditimpa di kelas turunan, konstruktor ini menginisialisasi instans HotSpotCollection baru kelas.

Berlaku untuk

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