166Chapter 9 PGL CommandsDynamic Incremented Alphanumeric StringsThis command creates a window on the form in which a DynamicIncremented Alphanumeric String will later be entered in the EXECUTEmode. The window is assigned a number (IAFn) that will be used inEXECUTE mode to identify in which window the string will print. To create awindow on a form, use the following basic command when creating a form:This command is identical to the Static/Dynamic Alphanumeric stringcommand except for the following parameters.Form Length Commands (Create)When you originally set up your form, one of the optional parameters sets theform length in dot rows. Using the following commands you can change theForm Length to a specific number of lines:NOTE: Each command specifies an LPI as well as a Form Length. However,these commands do not change the LPI. They simply specify a formlength in lines measured in different dot row heights. The LFORM6command sets form length in lines measured in 12 dot rows andLFORM8 sets from length in lines measured in 9 dot rows.Table 11. Dynamic Incremental Alphanumeric String CommandField Function Option/Modifier SelectionsIAFn; Defines the field as anincremental alphanumericstring and assigns it anidentification number thatwill be used to call it up foruse in EXECUTE mode.Enter IAF to signify that the field is incrementaldynamic alphanumeric data, then replace n withthe identification number (1-255).L; Specifies the maximumnumber of characters inthe dynamic alphanumericfield.Enter a value from 1-280.
