判断文件是否存在并保存的问题
例如保存文本框的内容，如果保存的目录中存在文件a1.txt 则保存为a2.txt 如果存在a1.txt和a2.txt 则保存为a3.txt 以此类推。。。
谢谢~

[解决办法]
dim i as integer
i =1
do while dir( "test " & i & ".txt ")= " "
i = i + 1
loop

'Save your File as "test " & i & ".txt "