insert
Inserts text at offset, shifting following content right.
Parameters
offset
the buffer position the text lands at, from 0 through the current length.
text
the characters inserted; the run carries no attributes of its own.
See also
Inserts text carrying attributes at offset, shifting following content right.
Parameters
offset
the buffer position the text lands at, from 0 through the current length.
text
the characters inserted, as one run.
attributes
the attributes that run carries.