var instance = new Vintasoft.Imaging.Pdf.WebPdfInteractiveFormTextFieldJS(document, name);

var value; // Type: boolean
value = instance.get_IsComb();

function get_IsComb() : boolean;

Return Value

True - the field is automatically divided into as many equally spaced positions, or combs, as the value of WebPdfInteractiveFormTextFieldJS.get_MaxLength, and the text is laid out into those combs.
false - the field is not divided into combs.

Property value has effect only if WebPdfInteractiveFormTextFieldJS.get_MaxLength is greater than 0, WebPdfInteractiveFormTextFieldJS.get_IsMultiline, WebPdfInteractiveFormTextFieldJS.get_IsPassword are set to false.

Reference

WebPdfInteractiveFormTextFieldJS Class
WebPdfInteractiveFormTextFieldJS Members