beginupdate()                 locklayers() 
 behindlayer()                 movelayer() 
 createbehindhooklayer()       movelayerinfrontof() 
 createbehindlayer()           movesizelayer() 
 createupfronthooklayer()      newlayerinfo() 
 createupfrontlayer()          scrolllayer() 
 deletelayer()                 sizelayer() 
 disposelayerinfo()            swapbitsrastportcliprect() 
 endupdate()                   thinlayerinfo() 
 fattenlayerinfo()             unlocklayer() 
 initlayers()                  unlocklayerinfo() 
 installclipregion()           unlocklayers() 
 installlayerhook()            upfrontlayer() 
 locklayer()                   whichlayer() 
 locklayerinfo()