HttpCapabilitiesBase.Platform Propriedade

Definição

Espaço de Nomes:
System.Web.Configuration
Assemblagem:
System.Web.dll

Obtém o nome da plataforma que o cliente utiliza, se for conhecido.

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

Valor de Propriedade

String

O sistema operativo que o cliente utiliza, se for conhecido, caso contrário o valor é definido para Unknown.

Exemplos

O exemplo de código seguinte mostra como determinar se o navegador está a correr na plataforma 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>

Observações

Alguns dos valores possíveis para a Platform propriedade são os seguintes:

  • Unknown

  • Win95

  • Win98

  • Windows NT 5.0 (Windows 2000)

  • Windows NT 5.1 (Windows XP)

  • WinNT (todas as outras versões de Windows NT)

  • Win16

  • WinCE

  • Mac68K

  • MacPPC

  • UNIX

  • WebTV

Aplica-se a