Calendar.CreateControlCollection 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
建立儲存子控制項的集合。
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
傳回
永遠傳回 InternalControlCollection
物件。
範例
下列程式碼範例示範如何在自訂伺服器控制項中覆寫 CreateControlCollection 方法,以便一律傳 Calendar 回 控制項類別 EmptyControlCollection 的新實例。
<%@ 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
備註
方法 CreateControlCollection 主要是對控制擴充行事曆控制項功能的開發人員感興趣。