CheckBoxList.IRepeatInfoUser.GetItemStyle(ListItemType, Int32) Yöntem

Başvuru

Tanım

Ad Alanı:: System.Web.UI.WebControls

Bütünleştirilmiş Kod:: System.Web.dll

Önemli

Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.

Bu üyenin açıklaması için bkz GetItemStyle(ListItemType, Int32). .

 virtual System::Web::UI::WebControls::Style ^ System.Web.UI.WebControls.IRepeatInfoUser.GetItemStyle(System::Web::UI::WebControls::ListItemType itemType, int repeatIndex) = System::Web::UI::WebControls::IRepeatInfoUser::GetItemStyle;

System.Web.UI.WebControls.Style IRepeatInfoUser.GetItemStyle (System.Web.UI.WebControls.ListItemType itemType, int repeatIndex);

abstract member System.Web.UI.WebControls.IRepeatInfoUser.GetItemStyle : System.Web.UI.WebControls.ListItemType * int -> System.Web.UI.WebControls.Style
override this.System.Web.UI.WebControls.IRepeatInfoUser.GetItemStyle : System.Web.UI.WebControls.ListItemType * int -> System.Web.UI.WebControls.Style

Function GetItemStyle (itemType As ListItemType, repeatIndex As Integer) As Style Implements IRepeatInfoUser.GetItemStyle

Parametreler

itemType: ListItemType

ListItemType Numaralandırma değerlerinden biri.

repeatIndex: Int32

Öğenin liste denetimindeki konumunu belirten bir sıra dizini.

Döndürülenler

Style

Style Liste denetiminde belirtilen dizinde belirtilen öğe türünün stilini temsil eden nesne.

Uygulamalar

GetItemStyle(ListItemType, Int32)

Örnekler

Aşağıdaki kod örneği, arabirim üyelerinin özel CheckBoxList bir nesnede IRepeatInfoUser nasıl kullanılacağını gösterir.

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ Page language="c#" %>
<!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 CheckBoxList - IRepeatInfoUser - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom CheckBoxList - IRepeatInfoUser - C# Example</h3>
      <aspSample:CustomCheckBoxListIRepeatInfoUser
        id="CheckBoxList1" runat="server">
          <asp:ListItem Selected="True">Item 1</asp:ListItem>
          <asp:ListItem>Item 2</asp:ListItem>
          <asp:ListItem>Item 3</asp:ListItem>
          <asp:ListItem>Item 4</asp:ListItem>
          <asp:ListItem>Item 5</asp:ListItem>
          <asp:ListItem>Item 6</asp:ListItem>
      </aspSample:CustomCheckBoxListIRepeatInfoUser>
    </form>
  </body>
</html>

<%@ Page language="VB" %>
<%@ 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 CheckBoxList - IRepeatInfoUser - VB.NET Example</title>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom CheckBoxList - IRepeatInfoUser - VB.NET Example</h3>
      <aspSample:CustomCheckBoxListIRepeatInfoUser id="CheckBoxList" runat="server">
                <asp:ListItem  Selected="True">Item 1</asp:ListItem>
                <asp:ListItem>Item 2</asp:ListItem>
                <asp:ListItem>Item 3</asp:ListItem>
                <asp:ListItem>Item 4</asp:ListItem>
                <asp:ListItem>Item 5</asp:ListItem>
                <asp:ListItem>Item 6</asp:ListItem>
            </aspSample:CustomCheckBoxListIRepeatInfoUser>
        </form>
    </body>
</html>

using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = 
        AspNetHostingPermissionLevel.Minimal)]
    public class CustomCheckBoxListIRepeatInfoUser : CheckBoxList
    {
        private bool hasFooter;
        private bool hasHeader;
        private bool hasSeparators;
        private int repeatedItemCount;
        private Style itemStyleItem;

        protected override void OnPreRender(System.EventArgs e)
        {
            // Call the base class's OnPreRender method
            base.OnPreRender(e);

            // Get a self-referencing IRepeatInfoUser object
            IRepeatInfoUser repeatInfoUser = (IRepeatInfoUser)this;

            // Get the IRepeatInfoUser members values.
            hasFooter = repeatInfoUser.HasFooter;
            hasHeader = repeatInfoUser.HasHeader;
            hasSeparators = repeatInfoUser.HasSeparators;
            repeatedItemCount = repeatInfoUser.RepeatedItemCount;
            itemStyleItem = repeatInfoUser.GetItemStyle(ListItemType.Item, 0);
        }

        protected override void Render(HtmlTextWriter writer)
        {
            // Create and setup a RepeatInfo class.
            RepeatInfo repeatInfo = new RepeatInfo();
            repeatInfo.RepeatColumns = 0;
            repeatInfo.RepeatDirection = RepeatDirection.Horizontal;
            repeatInfo.RepeatLayout = RepeatLayout.Table;

            // Get a self-referencing IRepeatInfoUser object
            IRepeatInfoUser repeatInfoUser = (IRepeatInfoUser)this;

            // Render the items using the above RepeatInfo class.
            repeatInfoUser.RenderItem(ListItemType.Item, 0, repeatInfo, writer);
            repeatInfoUser.RenderItem(ListItemType.Item, 1, repeatInfo, writer);
            repeatInfoUser.RenderItem(ListItemType.Item, 2, repeatInfo, writer);
            repeatInfoUser.RenderItem(ListItemType.Item, 3, repeatInfo, writer);
            repeatInfoUser.RenderItem(ListItemType.Item, 4, repeatInfo, writer);
            repeatInfoUser.RenderItem(ListItemType.Item, 5, repeatInfo, writer);
        }
    }
}

Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls

    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public Class CustomCheckBoxListIRepeatInfoUser
        Inherits CheckBoxList

        Private _hasFooter As Boolean
        Private _hasHeader As Boolean
        Private _hasSeparators As Boolean
        Private _repeatedItemCount As Integer
        Private _itemStyleItem As Style

        Protected Overrides Sub OnPreRender(ByVal e As System.EventArgs)
            ' Call the base class's OnPreRender method
            MyBase.OnPreRender(e)

            ' Get a self-referencing IRepeatInfoUser object
            Dim repeatInfoUser As IRepeatInfoUser
            repeatInfoUser = CType(Me, IRepeatInfoUser)

            ' Get the IRepeatInfoUser member values.
            _hasFooter = repeatInfoUser.HasFooter
            _hasHeader = repeatInfoUser.HasHeader
            _hasSeparators = repeatInfoUser.HasSeparators
            _repeatedItemCount = repeatInfoUser.RepeatedItemCount
            _itemStyleItem = repeatInfoUser.GetItemStyle(ListItemType.Item, 0)
        End Sub

        Protected Overrides Sub Render(ByVal writer As System.Web.UI.HtmlTextWriter)
            ' Create and setup a RepeatInfo class.
            Dim repeatInfo As New RepeatInfo
            repeatInfo.RepeatColumns = 0
            repeatInfo.RepeatDirection = RepeatDirection.Horizontal
            repeatInfo.RepeatLayout = RepeatLayout.Table

            ' Get a self-referencing IRepeatInfoUser object
            Dim repeatInfoUser As IRepeatInfoUser
            repeatInfoUser = CType(Me, IRepeatInfoUser)

            ' Render the items using the above RepeatInfo and IRepeatInfoUser classes.
            repeatInfoUser.RenderItem(ListItemType.Item, 0, repeatInfo, writer)
            repeatInfoUser.RenderItem(ListItemType.Item, 1, repeatInfo, writer)
            repeatInfoUser.RenderItem(ListItemType.Item, 2, repeatInfo, writer)
            repeatInfoUser.RenderItem(ListItemType.Item, 3, repeatInfo, writer)
            repeatInfoUser.RenderItem(ListItemType.Item, 4, repeatInfo, writer)
            repeatInfoUser.RenderItem(ListItemType.Item, 5, repeatInfo, writer)
        End Sub
    End Class

End Namespace

Açıklamalar

Genellikle, bir CheckBoxList nesnedeki CheckBoxList.GetItemStyle bir öğenin stilini almak için yöntemini kullanmanız gerekir.

IRepeatInfoUser.GetItemStyle yöntemi açık bir arabirim üyesi uygulamasıdır. Yalnızca örnek bir IRepeatInfoUser arabirime CheckBoxList yayınlandığında kullanılabilir.

Devralanlara Notlar

Nesnedeki bir öğenin stilini almaya yönelik özel bir CheckBoxList uygulama tanımlamak için, üyeyi GetItemStyle(ListItemType, Int32) geçersiz kılın. Açık arabirim uygulaması, bir öğenin stilini almak için yöntemini çağırır GetItemStyle(ListItemType, Int32) .

Şunlara uygulanır

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