DropDownList.BorderColor Proprietà

Riferimento

Definizione

Spazio dei nomi:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Importante

Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.

Ottiene o imposta il colore del bordo del controllo.

public:
 virtual property System::Drawing::Color BorderColor { System::Drawing::Color get(); void set(System::Drawing::Color value); };

[System.ComponentModel.Browsable(false)]
public override System.Drawing.Color BorderColor { get; set; }

[<System.ComponentModel.Browsable(false)>]
member this.BorderColor : System.Drawing.Color with get, set

Public Overrides Property BorderColor As Color

Valore della proprietà

Color

Oggetto Color che rappresenta il colore del bordo del controllo.

Attributi: BrowsableAttribute

Esempio

Nell'esempio di codice seguente viene illustrato come ottenere o impostare la BorderColor proprietà in un controllo personalizzato DropDownList . Per informazioni sull'uso di controlli server personalizzati, vedere Procedura dettagliata: Sviluppo e uso di un controllo server Web personalizzato.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head>
    <title>Custom DropDownList - BorderColor - C# Example</title>
    <script runat="server">
      private void Page_Load(object sender, System.EventArgs e)
      {
          DropDownList1.Items.Add(new ListItem("Item1", "Item1"));
          DropDownList1.Items.Add(new ListItem("Item2", "Item2"));
          DropDownList1.Items.Add(new ListItem("Item2", "Item2"));
      }
    </script>
  </head>
  <body>
      <form id="Form1" method="post" runat="server">
          <h3>Custom DropDownList - BorderColor - C# Example</h3>

          <aspSample:CustomDropDownListBorderColor
          id="DropDownList1"
          runat="server" />

      </form>
  </body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
    <head>
        <title>Custom DropDownList - BorderColor - VB.NET Example</title>
        <script runat="server">
            Sub Page_Load(sender As Object, e As EventArgs)
                DropDownList1.Items.Add(New ListItem("Item1", "Item1"))
                DropDownList1.Items.Add(New ListItem("Item2", "Item2"))
                DropDownList1.Items.Add(New ListItem("Item2", "Item2"))
            End Sub
        </script>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom DropDownList - BorderColor - VB.NET Example</h3>
            <aspSample:CustomDropDownListBorderColor id="DropDownList1" runat="server" />
        </form>
    </body>
</html>

using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomDropDownListBorderColor : System.Web.UI.WebControls.DropDownList
    {
    [System.ComponentModel.Browsable(false)]
    public override System.Drawing.Color BorderColor
    {
      // NOTE: The BorderColor property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderColor;
      }
      set
      {
        base.BorderColor = value;
      }
    }

    public override System.Web.UI.WebControls.BorderStyle BorderStyle
    {
      // NOTE: The BorderStyle property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderStyle;
      }
      set
      {
        base.BorderStyle = value;
      }
    }

    public override System.Web.UI.WebControls.Unit BorderWidth
    {
      // NOTE: The BorderWidth property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderWidth;
      }
      set
      {
        base.BorderWidth = value;
      }
    }

    public override string ToolTip
    {
      // NOTE: The ToolTip property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.ToolTip;
      }
      set
      {
        base.ToolTip = value;
      }
    }
  }
}

Imports System.Web
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public NotInheritable Class CustomDropDownListBorderColor
        Inherits System.Web.UI.WebControls.DropDownList

        Public Overrides Property BorderColor() As System.Drawing.Color
            ' NOTE: The BorderColor property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderColor
            End Get
            Set(ByVal Value As System.Drawing.Color)
                MyBase.BorderColor = Value
            End Set
        End Property

        Public Overrides Property BorderStyle() As System.Web.UI.WebControls.BorderStyle
            ' NOTE: The BorderStyle property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderStyle
            End Get
            Set(ByVal Value As System.Web.UI.WebControls.BorderStyle)
                MyBase.BorderStyle = Value
            End Set
        End Property

        Public Overrides Property BorderWidth() As System.Web.UI.WebControls.Unit
            ' NOTE: The BorderWidth property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderWidth
            End Get
            Set(ByVal Value As System.Web.UI.WebControls.Unit)
                MyBase.BorderWidth = Value
            End Set
        End Property

        Public Overrides Property ToolTip() As String
            ' NOTE: The ToolTip property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.ToolTip
            End Get
            Set(ByVal Value As String)
                MyBase.ToolTip = Value
            End Set
        End Property
    End Class
End Namespace

Commenti

Nota

La BorderColor proprietà viene ereditata dalla WebControl classe e non è applicabile al DropDownList controllo.

Si applica a