'宣言 Protected Overridable Sub DestroyHandle()
'使用法 Dim instance As C1RibbonPreview instance.DestroyHandle()
protected virtual void DestroyHandle()
'宣言 Protected Overridable Sub DestroyHandle()
'使用法 Dim instance As C1RibbonPreview instance.DestroyHandle()
protected virtual void DestroyHandle()