C# in depth(第三版)高清英文原版.pdf

Praiseforthefirstedition Simplyput,CtinDepthisperhapsthebestcomputerbook/'veread Craigpelkie,Author,SystemiNetwork IhavebeendevelopinginCfromtheverybeginningandthisbookhadsomenicesur- prisesevenforme.Iwasespeciallyimpressedwiththeexcellentcoverageofdelegates, anonymousmethods,covarianceandcontravariance.Evenifyouareaseasoneddevel oper,C#tinDepthwillteachyousomethingnewabouttheClanguage..Thisbook trulyhasdepththatnootherClanguagebookcantouch am J.Wolf Southeastvalley.NETUSerGroup Ienjoyedreadingthewholebook;itiswell-written--thesamplesareeasytounderstand 1actuallyfounditveryeasytoengageintothewholelambdaexpressionstopicand reallylikedthechapteraboutlambdaexpressions -JoseRolandoguayPaz WebDeveloper,CSWSolutions Thisbookwrapsuptheauthor'sgreatknowledgeoftheinnerworkingsofCtand handsitovertoreadersinawell-written.concise.usablebook AuthorofwindowsDeveloperPowerTools Everytermisusedappropriatelyandintherightcontext,everyexampleisspot-on andcontainstheleastamountofcodethatshowsthefullextentofthefeature.this asararetreat franckjeannin,amazonukreviewer IfyouhavedevelopedusingC#forseveralyearsnow,andwouldliketoknowtheinter- nals,thisbookisabsolutelyrightforyou -Goloroden Author,Speaker,andTrainerfor.NET andrelatedtechnologies Thebestcttbooklveeverread -Chrismullins.C#MVP C#inDepth THIRDEDITION JONSKEET MANNING SHELTERISLAND Foronlineinformationandorderingofthisandothermanningbooks,pleasevisit www.manning.com.Thepublisheroffersdiscountsonthisbookwhenorderedinquantity Formoreinformation,pleasecontact SpecialsalesDepartment Manningpublicationsco 20Baldwinroad POBox261 Shelterisland.NY11964 o2014byManningPublicationsCo.Allrightsreserved Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,in anyformorbymeanselectronic,mechanical,photocopying,orotherwise,withoutpriorwritten permissionofthepublisher: Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsare laimedastrademarks.Wherethosedesignationsappearinthebook,andmanning Publicationswasawareofatrademarkclaim,thedesignationshavebeenprintedininitialcaps orallcaps @oRecognizingtheimportanceofpreservingwhathasbeenwritten,itisManning,'spolicytohave thebookswepublishprintedonacid-freepaperandweexertourbesteffortstothatend Recognizingalsoourresponsibilitytoconservetheresourcesofourplanet,Manningbook areprintedonpaperthatisatleast15percentrecycledandprocessedwithouttheuseof elementalchlorine Manningpublicationsco DevelopmenteditorJeffBleiel 20Baldwinroad Copyeditor:Andycarroll POBOX261 Proofreader:KatieTennant Shelterisland.ny11964 Typesetter:Dottiemarsico Coverdesigner:MarijaTudor ISBN9781617291340 Printedintheunitedstatesofamerica 12345678910-MAL-181716151413 Tomyboys,Tom,Robin,andwilliam briefcontents PARTIPREPARINGFORTHEJOURNEY 1ThechangingfaceofC#development3 2■Corefoundations:buildingonc井129 part2C#2:SOLVINGTHEISSUESOFC#I.... 57 3Parameterizedtypingwithgenerics59 4Sayingnothingwithnullabletypes105 Fast-trackeddelegates133 6 Implementingiteratorstheeasyway159 7ConcludingC#2:thefinalfeatures182 Part3C#3:REVOLUTIONIZINGDATAACCESS.......205 8Cuttingfluffwithasmartcompiler207 9Lambdaexpressionsandexpressiontrees232 10Extensionmethods262 11QueryexpressionsandlinQtoObjects285 12LiNQbeyondcollections328 BRIEFCONTENTS Part4C#4:PLAYINGNICELYWITHOTHERS........369 13 Minorchangestosimplifycode371 14 Dynamicbindinginastaticlanguage409 PaRt5C#5:ASYNCHRONYMADESIMPLE 461 15Asynchronywithasync/await463 16 C#5bonusfeaturesandclosingthoughts519 contents prefacexxi acknowledgmentsxxii aboutthisbookxxiv abouttheauthorxx aboutthecoverillustrationxxx PART1PREPARINGFORTHEJOURNEY echangin ngfaceofCdevelopment3 1.1Startingwithasimpledatatype4 TheProducttypeinc#15·S0mg小ypedcollectionsinC井26 AutomaticallyimplementedpropertiesinC#37.Named rgumentsinC井48 1.2Sortingandfiltering9 Sortingproductsbyname9.Queryingcollections12 1.3Handlinganabsenceofdata14 Representinganunknownprice14Optionalparametersand defaultvalues16 1.4IntroducinglinQ16 Queryexpressionsandin-processqueries17Querying XM8·LINQtOSQL19