HttpCapabilitiesBase.BackgroundSounds Eigenschaft

  • Referenz

Definition

Namespace:
System.Web.Configuration
Assembly:
System.Web.dll

Ruft einen Wert ab, der angibt, ob der Browser die Wiedergabe von Hintergrundsound mit dem <bgsounds>-HTML-Element unterstützt.

public:
 property bool BackgroundSounds { bool get(); };
public bool BackgroundSounds { get; }
member this.BackgroundSounds : bool
Public ReadOnly Property BackgroundSounds As Boolean

Eigenschaftswert

Boolean

true, wenn der Browser die Wiedergabe von Hintergrundsound unterstützt, andernfalls false. Der Standardwert ist false.

Beispiele

Im folgenden Codebeispiel wird gezeigt, wie Ermittelt wird, ob der Browser die Wiedergabe von Hintergrundsounds unterstützt.

<%@ 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)
    {
        CheckBrowserCaps();
    }

    void CheckBrowserCaps()
    {
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).BackgroundSounds)
        {
            labelText = "Browser supports BackgroundSounds";
        }
        else
        {
            labelText = "Browser does not support BackgroundSounds";
        }

        Label1.Text = labelText;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" 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">
    Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        CheckBrowserCaps()
    End Sub

    Sub CheckBrowserCaps()

        Dim labelText As String = ""
        Dim myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser
        If (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).BackgroundSounds Then
            labelText = "Browser supports BackgroundSounds"
        Else
            labelText = "Browser does not support BackgroundSounds"
        End If

        Label1.Text = labelText

    End Sub 'CheckBrowserCaps
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />
        </div>
    </form>
</body>
</html>

Gilt für: