ControlBuilder.AppendSubBuilder(ControlBuilder) 方法

定義

命名空間:
System.Web.UI
組件:
System.Web.dll

為屬於容器控制項的任何子控制項新增建構器。ControlBuilder

public:
 virtual void AppendSubBuilder(System::Web::UI::ControlBuilder ^ subBuilder);
public virtual void AppendSubBuilder(System.Web.UI.ControlBuilder subBuilder);
abstract member AppendSubBuilder : System.Web.UI.ControlBuilder -> unit
override this.AppendSubBuilder : System.Web.UI.ControlBuilder -> unit
Public Overridable Sub AppendSubBuilder (subBuilder As ControlBuilder)

參數

subBuilder
ControlBuilder

ControlBuilder分配給兒童控制的物件。

範例

以下範例覆 AppendSubBuilder 寫拋出 an Exception 的方法，若該控制建構器所應用的控制項嘗試將其包含在類別實例 ControlCollection 中。

// Override the AppendSubBuilder method to throw an
// exception if the class it is applied to attempts
// to include child controls. 
public override void AppendSubBuilder(ControlBuilder subBuilder)
{
    throw new Exception(
        "A custom label control cannot contain other objects.");
}

' Override the AppendSubBuilder method to throw an
' exception if the class it is applied to attempts
' to include child controls. 
Public Overrides Sub AppendSubBuilder(ByVal subBuilder As ControlBuilder)
    Throw New Exception( _
       "A custom label control cannot contain other objects.")
End Sub

適用於

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