Examples with multi-line text fields.
multilinefield
##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/acroforms/MultiLineField.java##
##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/acroforms/MultiLineField.cs##
readonlyfield
##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/acroforms/ReadOnlyField.java##
##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/acroforms/ReadOnlyField.cs##
readonlyfield2
##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/acroforms/ReadOnlyField2.java##
##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/acroforms/ReadOnlyField2.cs##
readonlyfield3
##GITHUB:https://github.com/itext/i7js-examples/blob/develop/src/main/java/com/itextpdf/samples/sandbox/acroforms/ReadOnlyField3.java##
##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/acroforms/ReadOnlyField3.cs##
Results
https://github.com/itext/i7js-examples/blob/develop/cmpfiles/sandbox/acroforms/cmp_multi_line_field.pdf
https://github.com/itext/i7js-examples/blob/develop/cmpfiles/sandbox/acroforms/cmp_read_only_field.pdf
https://github.com/itext/i7js-examples/blob/develop/cmpfiles/sandbox/acroforms/cmp_read_only_field2.pdf
https://github.com/itext/i7js-examples/blob/develop/cmpfiles/sandbox/acroforms/cmp_read_only_field3.pdf