HttpCapabilitiesBase.IsColor Propiedad

  • Referencia

Definición

Espacio de nombres:
System.Web.Configuration
Ensamblado:
System.Web.dll

Obtiene un valor que indica si la presentación del explorador es a color.

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

Valor de propiedad

Boolean

true si el explorador tiene una pantalla a color; de lo contrario, false. De manera predeterminada, es false.

Ejemplos

En el ejemplo de código siguiente se muestra si el explorador del cliente admite el color. El valor devuelto se puede usar para determinar la imagen adecuada que se va a enviar al explorador.

<%@ 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).IsColor)
        {
            labelText = "Browser supports color.";
        }
        else
        {
            labelText = "Browser does not support color.";
        }

        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)).IsColor Then
            labelText = "Browser supports color."
        Else
            labelText = "Browser does not support color."
        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>

Se aplica a