getFormFieldMaxLength
Get the maximum length of a form field's value.
getFormFieldMaxLength([in] LONG fieldHandle, [out, retval] int *length)
This function returns the maximum length for a form field. This is
only relevant for text fields. Returns -1 if the field does not
specify a maximum length.
VB:
Dim field As Long
Dim page As Integer
Dim xMin As Double, yMin As Double, xMax As Double, yMax As Double
For i = 0 To pdf.getNumFormFields() - 1
field = pdf.getFormField(i)
type = pdf.getFormFieldType(field)
name = pdf.getFormFieldName(field)
pdf.getFormFieldBBox(field, page, xMin, yMin, xMax, yMax)
maxLength = pdf.getFormFieldMaxLength(field)
value = pdf.getFormFieldValue(field)
...
Next i