Due to the absence of any provided plot details or character information for the film '{我永远记着你}', it is not possible to evaluate the presence or portrayal of LGBTQ+ characters and themes. Therefore, the film's net impact on LGBTQ+ representation cannot be determined.

The film showcases Charles Pierce, a renowned male female impersonator, performing celebrity impressions in drag. This performance art is not a depiction of transsexual characters or themes, as Pierce's act is distinct from transsexual identity. Consequently, the film does not portray transsexual identity.

The movie does not contain any action or adventure elements.

Without information indicating that this 1970 film adapts pre-existing characters from source material, historical figures, or prior installments, there is no basis to identify a character whose gender was established elsewhere and then changed in this movie.

The provided information for the 1970 film does not include details about its source material or character backgrounds. Without established canonical or historical racial baselines, it is impossible to determine if any character was race-swapped.