WebPartZoneBase Class

<%@ control language="C#" classname="DisplayModeMenuCS"%>
<script runat="server">

 // Use a field to reference the current WebPartManager.
  WebPartManager _manager;

  void Page_Init(object sender, EventArgs e)
  {
    Page.InitComplete += new EventHandler(InitComplete);
  }  

  void InitComplete(object sender, System.EventArgs e)
  {
    _manager = WebPartManager.GetCurrentWebPartManager(Page);

    String browseModeName = WebPartManager.BrowseDisplayMode.Name;

    // Fill the dropdown with the names of supported display modes.
    foreach (WebPartDisplayMode mode in _manager.SupportedDisplayModes)
    {
      String modeName = mode.Name;
      // Make sure a mode is enabled before adding it.
      if (mode.IsEnabled(_manager))
      {
        ListItem item = new ListItem(modeName, modeName);
        DisplayModeDropdown.Items.Add(item);
      }
    }

    // If shared scope is allowed for this user, display the scope-switching
    // UI and select the appropriate radio button for the current user scope.
    if (_manager.Personalization.CanEnterSharedScope)
    {
      Panel2.Visible = true;
      if (_manager.Personalization.Scope == PersonalizationScope.User)
        RadioButton1.Checked = true;
      else
        RadioButton2.Checked = true;
    }

  }

  // Change the page to the selected display mode.
  void DisplayModeDropdown_SelectedIndexChanged(object sender, EventArgs e)
  {
    String selectedMode = DisplayModeDropdown.SelectedValue;

    WebPartDisplayMode mode = _manager.SupportedDisplayModes[selectedMode];
    if (mode != null)
      _manager.DisplayMode = mode;
  }

  // Set the selected item equal to the current display mode.
  void Page_PreRender(object sender, EventArgs e)
  {
    ListItemCollection items = DisplayModeDropdown.Items;
    int selectedIndex = 
      items.IndexOf(items.FindByText(_manager.DisplayMode.Name));
    DisplayModeDropdown.SelectedIndex = selectedIndex;
  }

  // Reset all of a user's personalization data for the page.
  protected void LinkButton1_Click(object sender, EventArgs e)
  {
    _manager.Personalization.ResetPersonalizationState();
  }

  // If not in User personalization scope, toggle into it.
  protected void RadioButton1_CheckedChanged(object sender, EventArgs e)
  {
    if (_manager.Personalization.Scope == PersonalizationScope.Shared)
      _manager.Personalization.ToggleScope();
  }

  // If not in Shared scope, and if user is allowed, toggle the scope.
  protected void RadioButton2_CheckedChanged(object sender, EventArgs e)
  {
    if (_manager.Personalization.CanEnterSharedScope && 
        _manager.Personalization.Scope == PersonalizationScope.User)
      _manager.Personalization.ToggleScope();
  }
</script>
<div>
  <asp:Panel ID="Panel1" runat="server" 
    Borderwidth="1" 
    Width="230" 
    BackColor="lightgray"
    Font-Names="Verdana, Arial, Sans Serif" >
    <asp:Label ID="Label1" runat="server" 
      Text="&nbsp;Display Mode" 
      Font-Bold="true"
      Font-Size="8"
      Width="120" 
      AssociatedControlID="DisplayModeDropdown"/>
    <asp:DropDownList ID="DisplayModeDropdown" runat="server"  
      AutoPostBack="true" 
      Width="120"
      OnSelectedIndexChanged="DisplayModeDropdown_SelectedIndexChanged" />
    <asp:LinkButton ID="LinkButton1" runat="server"
      Text="Reset User State" 
      ToolTip="Reset the current user's personalization data for the page."
      Font-Size="8" 
      OnClick="LinkButton1_Click" />
    <asp:Panel ID="Panel2" runat="server" 
      GroupingText="Personalization Scope"
      Font-Bold="true"
      Font-Size="8" 
      Visible="false" >
      <asp:RadioButton ID="RadioButton1" runat="server" 
        Text="User" 
        AutoPostBack="true"
        GroupName="Scope" OnCheckedChanged="RadioButton1_CheckedChanged" />
      <asp:RadioButton ID="RadioButton2" runat="server" 
        Text="Shared" 
        AutoPostBack="true"
        GroupName="Scope" 
        OnCheckedChanged="RadioButton2_CheckedChanged" />
    </asp:Panel>
  </asp:Panel>
</div>

using System;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;

public partial class WebPartZoneBase_overview : System.Web.UI.Page
{
  protected void Page_Load(Object sender, EventArgs e)
  {
    Label1.Text = DateTime.Now.ToLongDateString();
    Label2.Text = String.Empty;
  }

  protected void Button1_Click(object sender, EventArgs e)
  {
    if (WebPartZone2.VerbButtonType == ButtonType.Button)
      WebPartZone2.VerbButtonType = ButtonType.Link;
    else
      WebPartZone2.VerbButtonType = ButtonType.Button;
  }

  protected void Button2_Click(object sender, EventArgs e)
  {
    if (WebPartZone1.LayoutOrientation == Orientation.Vertical)
      WebPartZone1.LayoutOrientation = Orientation.Horizontal;
    else
      WebPartZone1.LayoutOrientation = Orientation.Vertical;
    Page_Load(sender, e);
  }

  protected void Button3_Click(object sender, EventArgs e)
  {
    StringBuilder builder = new StringBuilder();
    builder.AppendLine(@"<strong>WebPartZone1 WebPart IDs</strong><br />");
    foreach (WebPart part in WebPartZone1.WebParts)
    {
      builder.AppendLine("ID: " + part.ID 
                          + "; Type:  " + part.GetType() 
                          + @"<br />");
    }
    Label2.Text = builder.ToString();
    Label2.Visible = true;
  }

  protected void Button4_Click(object sender, EventArgs e)
  {
    StringBuilder builder = new StringBuilder();
    builder.AppendLine(@"<strong>WebPartZone1 DisplayTitle Property</strong><br />");
    builder.AppendLine(WebPartZone1.DisplayTitle + @"<br />");
    Label2.Text = builder.ToString();
    Label2.Visible = true;
  }
}

<%@ Page Language="C#" 
  Codefile="webpartzonebase_overview.cs"
  Inherits="WebPartZoneBase_overview"  %>
<%@ register TagPrefix="uc1" 
  TagName="DisplayModeMenuCS" 
  Src="DisplayModeMenuCS.ascx" %>

<!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 runat="server">
    <title>WebPartZoneBase Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
      <asp:WebPartManager ID="WebPartManager1" Runat="server" />
      <uc1:DisplayModeMenuCS ID="DisplayModeMenu1" runat="server" />
      <table width="75%">
        <tr>
          <td>
            <asp:WebPartZone 
              ID="WebPartZone1" 
              Runat="server"
              LayoutOrientation="Vertical" >
              <EditVerb Text="Edit WebPart" />
              <SelectedPartChromeStyle BackColor="LightBlue" />
              <ZoneTemplate>
                <asp:BulletedList 
                  ID="BulletedList1" 
                  Runat="server"
                  DisplayMode="HyperLink" 
                  Title="Favorite Links" >
                  <asp:ListItem Value="http://msdn.microsoft.com">
                    MSDN
                  </asp:ListItem>
                  <asp:ListItem Value="http://www.asp.net">
                    ASP.NET
                  </asp:ListItem>
                  <asp:ListItem Value="http://www.msn.com">
                    MSN
                  </asp:ListItem>
                </asp:BulletedList>
                <asp:Calendar ID="Calendar1" Runat="server" 
                  Title="My Calendar" />
              </ZoneTemplate>
            </asp:WebPartZone>
          </td>
          <td valign="top" align="right">
            <asp:WebPartZone 
              ID="WebPartZone2"
              Runat="server" 
              DragHighlightColor="#00ff00"
              AllowLayoutChange="true"
              EmptyZoneText="Add WebParts to this empty Zone."
              BorderWidth="2"
              BorderColor="DarkBlue"
              BorderStyle="Dashed" 
              MenuLabelText="Verbs Menu" 
              MenuPopupImageUrl="label.gif" >
              <VerbStyle Font-Italic="true" />
              <MenuLabelStyle BackColor="Lime" BorderWidth="1"  />
              <MenuLabelHoverStyle Font-Bold="true" />
              <MenuVerbHoverStyle BackColor="LightGrey" />
              <MenuVerbStyle Font-Italic="true" /> 
              <ZoneTemplate>
                <asp:Label ID="Label1" Runat="server" Title="Date" />
              </ZoneTemplate>
            </asp:WebPartZone>
          </td>
        </tr>
        <tr>
          <td>
            <asp:EditorZone ID="EditorZone1" Runat="server">
              <ZoneTemplate>
                <asp:AppearanceEditorPart ID="AppearanceEditorPart1" 
                  Runat="server" />
                <asp:LayoutEditorPart ID="LayoutEditorPart1" 
                  Runat="server" />
              </ZoneTemplate>
            </asp:EditorZone>      
          </td>
        </tr>
      </table>
    </div>
    <asp:Button ID="Button1" Runat="server" 
      Width="200" Text="Toggle WebPartZone2 Buttons" 
      OnClick="Button1_Click" />
    <br />
    <asp:Button ID="Button2" Runat="server" 
      Width="200"  Text="Toggle Layout Orientation" 
      OnClick="Button2_Click" />
    <br />
    <asp:Button ID="Button3" Runat="server" 
      Width="200" Text="List WebPartZone1 WebParts" 
      OnClick="Button3_Click" />
    <br />
    <asp:Button ID="Button4" Runat="server" 
      Width="200" Text="WebPartZone1 Display Title" 
      OnClick="Button4_Click" />
    <br />
    <asp:Label ID="Label2" Runat="server" Visible="false" />
    </form>
</body>
</html>