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HttpCapabilitiesBase.SupportsJPhoneMultiMediaAttributes Property

Gets a value indicating whether the browser supports J-Phone multimedia attributes.

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)

public virtual bool SupportsJPhoneMultiMediaAttributes { get; }

Property Value

Type: System.Boolean
true if the browser supports J-Phone multimedia attributes; otherwise, false. The default is false.

The SupportsJPhoneMultiMediaAttributes property applies only to J-Phone–compatible mobile devices.

J-Phone is a markup language specification, based on HTML, for J-Phone–compatible browsers. If true, the browser supports additional attributes for HTML <a> (anchor) and <select> elements. The additional attributes supported are as follows:

  • src

  • soundstart

  • loop

  • volume

  • vibration

  • viblength

The following code example shows how to determine whether the browser supports J-Phone multimedia attributes.

<%@ page language="C#"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<script runat="server">
    void Page_Load(Object Sender, EventArgs e)

    void CheckBrowserCaps()
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).SupportsJPhoneMultiMediaAttributes)
            labelText = "Browser supports J-Phone multimedia attributes.";
            labelText = "Browser does not support J-Phone multimedia attributes.";

        Label1.Text = labelText;

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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