HttpCapabilitiesBase.Platform Proprietà

  • Riferimento

Definizione

Spazio dei nomi:
System.Web.Configuration
Assembly:
System.Web.dll

Ottiene il nome della piattaforma utilizzata dal client, se noto.

public:
 property System::String ^ Platform { System::String ^ get(); };
public string Platform { get; }
member this.Platform : string
Public ReadOnly Property Platform As String

Valore della proprietà

String

Sistema operativo utilizzato dal client, se noto. In caso contrario, viene impostato il valore Unknown.

Esempio

Nell'esempio di codice seguente viene illustrato come determinare se il browser è in esecuzione nella piattaforma Windows NT.

<%@ 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).Platform.Equals("WinNT"))
        {
            labelText = "Platform is Windows NT.";
        }
        else
        {
            labelText = "Platform is not Windows NT.";
        }

        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)).Platform.Equals("WinNT") Then
            labelText = "Platform is Windows NT."
        Else
            labelText = "Platform is not Windows NT."
        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>

Commenti

Alcuni dei valori possibili per la Platform proprietà sono i seguenti:

  • Unknown

  • Win95

  • Win98

  • Windows NT 5.0(Windows 2000)

  • Windows NT 5.1(Windows XP)

  • WinNT(tutte le altre versioni di Windows NT)

  • Win16

  • WinCE

  • Mac68K

  • MacPPC

  • UNIX

  • WebTV

Si applica a