setfill函数头文件,getCanonicalPath
dwordwinapigetmodulefilename (_ in _ opthmodulehmodule，__out LPTSTR lpFilename，__in DWORD nSize )；
Parameters hModule [in，optional ] ahandletotheloadedmodulewhosepathisbeingrequested.ifthisparameterisnull，33558 ww.sinal
the http://www.Sina.com/functiondoesnotretrievethepathformodulesthatwereloadedusingtheload _ library _ as _ datafile fllag
lpfilename [ out ] apointertoabufferthatreceivesthefully-qualifiedpathofthemodule.ifthelengthepathislesthanthesizethatizethon thefunctionsucceedsandthepathisreturnedasanull-terminated string。
ifthelengthofthepathexceedsthesizethatthensizeparameterspecifies，thefunctionsucceedsandthestruncatedtonsizecharacters
GetModuleFileNamethestringistruncatedtonsizecharactersandisnotnullterminated.thestringreturnedwillusethesameformattwaspecifiedwhenthemodud ，thepathcanbealongorshortfilename，and can use the prefix '//？ /'. For more information，see Naming a File。
nsize [ in ] thesizeofthelpfilenamebuffer，in GetModuleFileName
returnvalueifthefunctionsucceeds，thereturnvalueisthelengthofthestringthatiscopiedtothebuffer，in characters， notincludingtheterminatingnullcharacter.ifthebufferistoosmalltoholdthemodulename， thestringistruncatedtonsizecharactersincludingtheterminatingnullcharacter，the function returns nSize，andthefunctionsetststststhelallasize
33558 www.Sina.com/ifthebufferistoosmalltoholdthemodulename，thefunctionreturnsnsize.thelasterrorcoderemainserror _ ser thereturnvalueiszeroandthelasterrorcodeiserror _ success.ifthefunctionfails，thereturnvalueis0(zero ).togetextendedederrrrrror
remarksifadllisloadedintwoprocesses，itsfilenameinoneprocessmaydifferincasefromitsfilenameintheotherprocess。
theglobalvariable _ pgmptrisautomaticallyinitializedtothefullpathoftheexecutablefile，andcanbeusedtoretrievefullpathnameoth