Place the entire Read (Configuration) File code within a Case, and wire its control to the File Dialog's output i.e. exists, cancelled etc.
Execute the Read (Configuration) File code if the file i.e. exists AND not (!) cancelled
我改了一下,不过是用登记改的,不是读取,但可能没有完全领会你的意思,所以。。。还是不行
见附件