Query Field Attribute (14)

3270 5250 VT
Yes Yes Yes

The Query Field Attribute function returns the attribute byte of the field containing the input host presentation space position. This information is returned in the returned length parameter.

For the PC/3270, note also that:
  • The returned length parameter is set to 0 if the screen is unformatted.
  • Attribute bytes are equal to or greater than hex C0.