This property assigns a predefined filter to the text box input. Note that a custom
filter set via SetFilter is used when
the Filter Style property is set to zero (the custom filter is ignored for other
predefined filter styles).
Style
Description
0
Non-control characters (or custom filter)
1
AutoCAD angle units only
2
Signed integers only
3
AutoCAD distance units only (affected by DIMZIN system variable)