changeCase
open fun changeCase(caseType: ChangeCaseType, start: <Error class: unknown class>, end: <Error class: unknown class>)
Changes the case of the text between the specified iterators.
Since 5.4, this function will update the position of start
and end
to surround the modified text.
Parameters
caseType
how to change the case.
start
a #GtkTextIter.
end
a #GtkTextIter.