Retrieves the current length of the text in @entry.
This is equivalent to getting @entry's #GtkEntryBuffer and calling gtk_entry_buffer_get_length() on it.
the current number of characters in #GtkEntry, or 0 if there are none.
2.14
See Implementation
Retrieves the current length of the text in @entry.
This is equivalent to getting @entry's #GtkEntryBuffer and calling gtk_entry_buffer_get_length() on it.