通过

HotSpotCollection.Insert(Int32, HotSpot) 方法

  • 参考

定义

命名空间:
System.Web.UI.WebControls
程序集:
System.Web.dll

将指定的 HotSpot 对象插入到 HotSpotCollection 集合中的指定索引位置。

public:
 void Insert(int index, System::Web::UI::WebControls::HotSpot ^ spot);
public void Insert (int index, System.Web.UI.WebControls.HotSpot spot);
member this.Insert : int * System.Web.UI.WebControls.HotSpot -> unit
Public Sub Insert (index As Integer, spot As HotSpot)

参数

index
Int32

添加 HotSpot 对象的数组索引位置。

spot
HotSpot

要添加到集合的 HotSpot 对象。

示例

下面的代码示例演示如何以编程方式向控件添加两 CircleHotSpot 个 ImageMap 对象。 属性 HotSpots 用于访问 HotSpotCollection 集合。 方法 Add 将 添加到 Circle2 集合中。 方法 Insert 将 添加到 Circle1 集合中的第一个元素的 Circle2前面。 若要使此示例正常工作，必须为 属性提供自己的映像 ImageUrl ，并相应地更新映像的路径，以便应用程序能够找到它。

<%@ 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 a 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);

    // Programmatically create a second 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";

    // Insert Circle1 into the ImageMap's HotSpotCollection
    // at the first element in the array.    
    Shop.HotSpots.Insert(0, Circle1);
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
  <title>HotSpotCollection.Insert Example</title>
</head>
  <body>
    <form id="Form1" runat="server">
    
      <h3>HotSpotCollection.Insert Example</h3>
      
      <h4>Shopping Choices:</h4>
      
      <asp:imagemap id="Shop"
        imageurl="Images/ShopChoice.jpg"
        alternatetext="Shopping choices"
        runat="Server">
      </asp:imagemap>
      
    </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 a 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)
        
    ' Programmatically create a second 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"
    
    'Insert Circle1 into the ImageMap's HotSpotCollection
    'at the first element in the array.            
    Shop.HotSpots.Insert(0, Circle1)
    
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
  <title>HotSpotCollection.Insert Example</title>
</head>
  <body>
    <form id="Form1" runat="server">
    
      <h3>HotSpotCollection.Insert Example</h3>
      
      <h4>Shopping Choices:</h4>
      
      <asp:imagemap id="Shop"           
        imageurl="Images/ShopChoice.jpg"
        alternatetext="Shopping choices" 
        runat="Server">
      </asp:imagemap>
      
    </form>      
  </body>
</html>

注解

方法 Insert 将指定的 HotSpot 对象添加到集合中的指定索引位置。 若要将 HotSpot 对象追加到集合末尾，请使用 Add 方法。

适用于

另请参阅