Edition: Installshield 2010 Project Type: installscript project summary: I have designed a project which requires user to input serial number during installation, and I customized the dialog for input serial number. Everything has gone well, but there's one thing I feel not satisfied: I design 4 textfields(edit fields) for serial number, a serial number is of 16 digits, so every textfield, in a perfect status, should only be input 4 digits. The problem is, how can I control the input for every textfield, for example, if user input 123456 in one textfield, 56 should be ingored; and how can put focus on the next textfield if one textfield has input 4 digits? ... View more