共用方式為

HttpCapabilitiesBase.RequiresPhoneNumbersAsPlainText 屬性

  • 參考

定義

命名空間:
System.Web.Configuration
組件:
System.Web.dll

取得值，指出瀏覽器是否支援純文字的電話撥號，或是需要特殊的標記語言。

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

屬性值

Boolean

如果瀏覽器只支援純文字的電話撥號，則為 true，否則為 false。 預設為 false。

範例

下列程式碼範例示範如何判斷瀏覽器是否支援以純文字為基礎的電話撥號，或是否需要特殊標記。

<%@ 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).RequiresPhoneNumbersAsPlainText)
        {
            labelText = "Browser supports phone dialing based on plain text.";
        }
        else
        {
            labelText = "Browser does not support phone dialing based on plain text.";
        }

        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

    Function CheckBrowserCaps()

        Dim labelText As String = ""
        Dim myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser
        If (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).RequiresPhoneNumbersAsPlainText Then
            labelText = "Browser supports phone dialing based on plain text."
        Else
            labelText = "Browser does not support phone dialing based on plain text."
        End If

        Label1.Text = labelText

    End Function '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>

備註

屬性 RequiresPhoneNumbersAsPlainText 只適用于屬性為 true 的 CanInitiateVoiceCall 瀏覽器。

適用於