'宣言 Public Class C1FlexViewer Inherits System.Windows.Forms.UserControl Implements C1.Win.Ribbon.IC1RibbonHolder, C1.Win.Ribbon.IC1StatusBarHolder
'使用法 Dim instance As C1FlexViewer
public class C1FlexViewer : System.Windows.Forms.UserControl, C1.Win.Ribbon.IC1RibbonHolder, C1.Win.Ribbon.IC1StatusBarHolder