单击命令按钮后,下列程序代码的执行结果是______。Public Sub fun (a As Integer, b As Integer, c As Integer)Doa=b+ cn=n+1Loop While n > 3End SubPrivate Sub command1_ click()Dim m As Integer, n As Integer, i As IntegerFor i = 0 To 2: m = n + 1: Next iFor i = 1 To 2: Call fun (m, n, i): Next iFor i = 0 To 3Print m;Next iEnd Sub