HttpCapabilitiesBase.PreferredImageMime Proprietà

Definizione

Restituisce il tipo MIME del tipo di contenuto immagine preferenziale per il browser.Returns the MIME type of the type of image content typically preferred by the browser.

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

Valore della proprietà

String

Tipo MIME del tipo di contenuto immagine preferenziale per il browser.The MIME type of the type of image content typically preferred by the browser. Il valore predefinito è image/gif.The default is image/gif.

Esempio

Nell'esempio di codice seguente viene illustrato come determinare il tipo di immagine preferibile in genere da un browser.The following code example shows how to determine the type of image typically preferred by a browser.

<%@ 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()
    {
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        Label1.Text = "Browser prefers images to be of MIME type: " + ((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).PreferredImageMime;
    }
</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 myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser
        Label1.Text = "Browser prefers images to be of MIME type: " & (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).PreferredImageMime

    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>

Si applica a