Control.CreateChildControls 方法

protected:
 virtual void CreateChildControls();

protected public:
 virtual void CreateChildControls();

protected virtual void CreateChildControls();

protected internal virtual void CreateChildControls();

abstract member CreateChildControls : unit -> unit
override this.CreateChildControls : unit -> unit

Protected Overridable Sub CreateChildControls ()

Protected Friend Overridable Sub CreateChildControls ()

以下示例演示 方法的 CreateChildControls 重写版本。 在此实现中，复合控件显示一个包含在两个 TextBox 文本控件中的控件，用于呈现 HTML。

// Override CreateChildControls to create the control tree.
 [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="Execution")]
 protected override void CreateChildControls() {

     // Add a LiteralControl to the current ControlCollection.
     this.Controls.Add(new LiteralControl("<h3>Value: "));

     // Create a text box control, set the default Text property, 
     // and add it to the ControlCollection.
     TextBox box = new TextBox();
     box.Text = "0";
     this.Controls.Add(box);

     this.Controls.Add(new LiteralControl("</h3>"));
 }

' Override CreateChildControls to create the control tree.
<System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="Execution")> _
Protected Overrides Sub CreateChildControls()
   
   ' Add a LiteralControl to the current ControlCollection.
   Me.Controls.Add(New LiteralControl("<h3>Value: "))
   
   
   ' Create a text box control, set the default Text property, 
   ' and add it to the ControlCollection.
   Dim box As New TextBox()
   box.Text = "0"
   Me.Controls.Add(box)
   
   Me.Controls.Add(New LiteralControl("</h3>"))
End Sub

开发复合或模板化服务器控件时，必须重写此方法。 替代 方法的 CreateChildControls 控件应实现 接口， INamingContainer 以避免命名冲突。

有关详细信息，请参阅 Web 服务器控件模板 和 开发自定义 ASP.NET 服务器控件。

• Controls
• ControlCollection
• ChildControlsCreated
• INamingContainer
• 开发自定义 ASP.NET 服务器控件
• ASP.NET Web 服务器控件模板