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Calendar.CreateControlCollection Metoda

Definicja

Tworzy kolekcję do przechowywania kontrolek podrzędnych.

protected:
 override System::Web::UI::ControlCollection ^ CreateControlCollection();
protected override System.Web.UI.ControlCollection CreateControlCollection ();
override this.CreateControlCollection : unit -> System.Web.UI.ControlCollection
Protected Overrides Function CreateControlCollection () As ControlCollection

Zwraca

ControlCollection

Zawsze zwraca InternalControlCollection obiekt.

Przykłady

W poniższym przykładzie kodu pokazano, jak zastąpić CreateControlCollection metodę w niestandardowej kontrolce serwera, aby zawsze zwracało nowe wystąpienie EmptyControlCollection klasy dla kontrolki Calendar .

<%@ 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 Calendar - CreateControlCollection - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom Calendar - CreateControlCollection - C# Example</h3>

      <aspSample:CustomCalendarCreateControlCollection
        id="Calendar1"
        runat="server" />

    </form>
  </body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="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 Calendar - CreateControlCollection - VB.NET Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom Calendar - CreateControlCollection - VB.NET Example</h3>
      <aspSample:CustomCalendarCreateControlCollection id="Calendar1" 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 CustomCalendarCreateControlCollection : System.Web.UI.WebControls.Calendar
    {
    protected override System.Web.UI.ControlCollection CreateControlCollection()
    {
      // Return a new EmptyControlCollection
      return new System.Web.UI.EmptyControlCollection(this);
    }
  }
}
Imports System.Web
Imports System.Security.Permissions

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

        Protected Overrides Function CreateControlCollection() As System.Web.UI.ControlCollection
            ' Return a new EmptyControlCollection
            Return New System.Web.UI.EmptyControlCollection(Me)
        End Function
    End Class
End Namespace

Uwagi

Metoda CreateControlCollection jest przede wszystkim zainteresowana kontrolą deweloperów, którzy rozszerzają funkcjonalność kontrolki Kalendarz.

Dotyczy