CustomPropertyToolPart.CreateChildControls method
若要建立我們子控制項，來覆寫控制項方法。
Namespace: Microsoft.SharePoint.WebPartPages
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
'宣告
Protected Overrides Sub CreateChildControls
'用途
Me.CreateChildControls()
protected override void CreateChildControls()