次の方法で共有

DropDownList.BorderColor プロパティ

  • [アーティクル]

コントロールの境界線の色を取得または設定します。

名前空間: System.Web.UI.WebControls
アセンブリ: System.Web (system.web.dll 内)

構文

'宣言
Public Overrides Property BorderColor As Color
'使用
Dim instance As DropDownList
Dim value As Color

value = instance.BorderColor

instance.BorderColor = value

public override Color BorderColor { get; set; }

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

/** @property */
public Color get_BorderColor ()

/** @property */
public void set_BorderColor (Color value)

public override function get BorderColor () : Color

public override function set BorderColor (value : Color)

適用できません。

プロパティ値

コントロールの境界線の色を表す System.Drawing.Color。

解説

メモメモ :

BorderColor プロパティは、WebControl クラスから継承され、DropDownList コントロールには適用されません。

使用例

カスタム DropDownList コントロールで BorderColor プロパティを取得または設定する方法を次のコード例に示します。

<%@ 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>
...

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

<%@ 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>
...

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;
      }
    }
  }
}

<%@ Page Language="VJ#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %>
<!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 - VJ# Example</title>
    <script runat="server">
        
    private void Page_Load(Object sender, System.EventArgs e)
    {
        DropDownList1.get_Items().Add(new ListItem("Item1", "Item1"));
        DropDownList1.get_Items().Add(new ListItem("Item2", "Item2"));
        DropDownList1.get_Items().Add(new ListItem("Item2", "Item2"));
    } //Page_Load
    </script>
  </head>
  <body>
      <form id="Form1" method="post" runat="server">
          <h3>Custom DropDownList - BorderColor - VJ# Example</h3>

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

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

package Samples.AspNet.JSL.Controls;

public class CustomDropDownListBorderColor
    extends System.Web.UI.WebControls.DropDownList
{
    /** @attribute System.ComponentModel.Browsable(false)
     */
    // NOTE: The BorderColor property is inherited from the WebControl 
    // class and is not applicable to the DropDownList control.
    /** @property 
     */     
    public System.Drawing.Color get_BorderColor()        
    {
        return super.get_BorderColor();
    } //get_BorderColor

    /** @property 
     */
    public void set_BorderColor(System.Drawing.Color value)
    {
        super.set_BorderColor(value);
    } //set_BorderColor

    // NOTE: The BorderStyle property is inherited from the WebControl 
    // class and is not applicable to the DropDownList control.
    /** @property 
     */    
    public System.Web.UI.WebControls.BorderStyle get_BorderStyle()       
    {
        return super.get_BorderStyle();
    } //get_BorderStyle

    /** @property 
     */
    public void set_BorderStyle(System.Web.UI.WebControls.BorderStyle value)
    {
        super.set_BorderStyle(value);
    } //set_BorderStyle

    // NOTE: The BorderWidth property is inherited from the WebControl 
    // class and is not applicable to the DropDownList control.
    /** @property 
     */    
    public System.Web.UI.WebControls.Unit get_BorderWidth()         
    {
        return super.get_BorderWidth();
    } //get_BorderWidth

    /** @property 
     */
    public void set_BorderWidth(System.Web.UI.WebControls.Unit value)
    {
        super.set_BorderWidth(value);
    } //set_BorderWidth

    // NOTE: The ToolTip property is inherited from the WebControl 
    // class and is not applicable to the DropDownList control.
    /** @property 
     */    
    public String get_ToolTip()         
    {
        return super.get_ToolTip();
    } //get_ToolTip

    /** @property 
     */
    public void set_ToolTip(String value)
    {
        super.set_ToolTip(value);
    } //set_ToolTip
} //CustomDropDownListBorderColor

プラットフォーム

Windows 98,Windows Server 2000 SP4,Windows CE,Windows Millennium Edition,Windows Mobile for Pocket PC,Windows Mobile for Smartphone,Windows Server 2003,Windows XP Media Center Edition,Windows XP Professional x64 Edition,Windows XP SP2,Windows XP Starter Edition

Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。

バージョン情報

.NET Framework

サポート対象 : 3.0,2.0,1.1,1.0

参照

関連項目

DropDownList クラス
DropDownList メンバ
System.Web.UI.WebControls 名前空間