窗体上有Text1、Text2两个文本框及一个命令按钮Command1,编写下列程序: Dim y As Integer Private Sub Command1_Click() Dim x As Integer x=2 Text1.Text=Fun2(Fun1(x),y) Text2.Text=Fun1(x) End Sub Private Function Fun1(x As Integer) As Integer x=x+y:y=x+y Fun1=x+y End Function Private Function Fun2(x As Integer,y As Integer) As Integer Fun2=2*x+y End Function 当单击1次和单击2次命令按,文本框Text1和Text2内的值分别是