请教一下:我用vb写了一个调用Illustrator的测试程序,代码很简单:Private Sub Command1_Click() Dim app As New Illustrator.Application Dim doc As Illustrator.Document Dim thislayer As Illustrator.Layer ......
function multi(a as integer,b as integer,optional third) dim n as integer n = a * b if not ismissing (third) then n = n * thid end if multi = n end fu ......