[填空题] 阅读下面的程序: PriVate Sub Form_C1ick() Dim Check As Booleau,Counter As Integer Check=True Counter=5 Do Do While Counter<20Counter=Counter+1 If Counter=10 Then Check=FalSe EXit Do End IfLoop Loop Until Check=FalSe Print Counter End Sub 程序运行后,单击窗体,输出结果为______。