vb.net - Visual Studio コードでエラーを表示する

Question

このコードは、google.com が開いていない場合に yahoo.com を開くことを示しています。つまり、最初のサイトが機能していない場合、2 番目のサイトが自動的に開きます。

しかし、エラーを表示しているそのビジュアルスタジオの問題が何であるかわかりません

予想されるステートメントの終わり

この問題を解決する方法を教えてください。この問題を解決するのを手伝ってください。

これは私の完全なコードです

パブリック クラス Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
      try webbrowser1.navigate("www.google.com")
      catch ex As exception webbrowser1.navigate("www.yahoo.com")
        End Try


    End Sub


    Private Sub Back_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Back.Click
        WebBrowser1.GoBack()

    End Sub

    Private Sub Forward_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Forward.Click
        WebBrowser1.GoForward()
    End Sub


    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        WebBrowser1.Stop()
    End Sub


    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        WebBrowser1.GoHome()
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        WebBrowser1.Refresh()
    End Sub

    Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs)

    End Sub

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

    End Sub

    Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click

    End Sub

    Private Sub CloseToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CloseToolStripMenuItem.Click
        Application.Exit()

    End Sub

    Private Sub DateTimePicker1_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DateTimePicker1.ValueChanged

    End Sub

    Private Sub WebBrowser1_DocumentCompleted_1(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted

    End Sub

End Class