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HttpCapabilitiesBase.BackgroundSounds Propriété

  • Référence

Définition

Espace de noms:
System.Web.Configuration
Assembly:
System.Web.dll

Obtient une valeur indiquant si le navigateur prend en charge la lecture de fonds sonores à l’aide de l’élément HTML <bgsounds>.

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

Valeur de propriété

Boolean

true si le navigateur prend en charge la lecture de fonds sonores ; sinon, false. La valeur par défaut est false.

Exemples

L’exemple de code suivant montre comment déterminer si le navigateur prend en charge la lecture des sons d’arrière-plan.

<%@ 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>

S’applique à