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VB2008从入门到精通(PDF格式英文版)-第201章

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                  will use this type when interacting with a database type。 



               o  Partial methods and classes are useful in the context of autogenerated source code。 They  

                  make it easier to split apart the functionality that is autogenerated and store it in one file;  

                  while the hand…coded part is stored in another file。 They can also be used in place of  

                  conditional pilation constants。 


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                                 CH AP T E R   1 6   ■    L E A R N I N G   A B OU T   O TH E R   V IS U AL   B A SI C  T E C HN IQ U E S 431 



Some Things for You to Do 



The following two exercises are the final ones this book。 



     1。  Build a two…dimensional matrix class that supports the + and  operators。  



     2。  Write a question to the author asking him to solve two problems that you have encoun

         tered。 Send the e…mail to christianhgross@gmail。。 


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…………………………………………………………Page 455……………………………………………………………

 Index 



■Special Characters                                     AddNumbers() method; 428 

# (hash character); 149                                 AddRoomGrouping() method; 214 

_ (underscore) character; 11                            AddRoomToGrouping() method; 219 

|| (OR) operator; 109                                   AddValue() method; 278 

                                                        ADO (ActiveX Data Object); 375 

■A 

                                                        ADO; accessing relational databases  

a 《 b expression; 108 

                                                                 using; 382–386 

a  b expression; 108                                      deleting data from; 386 

a 》= b expression; 109                                     selecting data from tables; 385 

!a expression; 109                                      AI (artificial intelligence) system; 77 

a variable; 418 

                                                        algorithm; 77 

Abort() method; 347 

                                                        allo test; 63; 64 

abstracting instantiations with factories;              alloappend test; 64 

         177–178 

                                                        Alpha; 334 

abstraction; 376 

                                                        altering data; 408–409 

accessing relational databases; 375; 382–386            American Standard Code for Information  

AcquireReaderLock() method; 359                                  Interchange (ASCII); 68 

AcquireWriterLock() method; 359                         _amount data member; 179 

action method; 120 

                                                        And operator; 109 

ActiveCurrencyTrader class; 147; 152–155                AndAlso operator; 109 

   adding constructor to; 152–153                       anonymous types; selecting with; 409 

   adding conversion methods to; 154–155                Another instance; 232 

   defining informational read…only                     API (application programming interface); 59 

         properties; 153–154 

                                                        Append() method; 281 

ActiveCurrencyTrader() method; 159 

                                                        application development。  

ActiveX Data Object (ADO); 375                                   See development; software 

Add() method; 33–40; 43; 47; 231 

                                                        application mode; 117 

   writing; 33–35                                       application programming interface (API); 59 

   writing code to test; 35                             appSettings folder; 321 

      adding test projects; 36                          AppSettings property; 322 

      testing addition of two large                      section; 321–322; 330; 339 

         numbers; 38 

                                                        Architectural code; 138 

      testing simple addition; 37–38 

                                                        AreYouPreHeated() method; 144 

 identifier; 321 

                                                        ArgumentException() method; 120 

addition operator; 417 



                                                                                                                 433 


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434       ■IN D E X 



          ArgumentException type; 128                              base classes; 135; 138–139; 151–152; 165;  

          ArgumentNullException type; 128                                   174–178 

          ArgumentOutOfRangeException type; 128                       abstracting instantiations with factories;  

          arithmetic operators                                              177–178 

             addition; 417                                            overriding for specialized  

             bitwise; 419                                                   functionality; 176 

          ArithmeticException type; 128                            base functionality; 182–188 

          ArrayList class; 230                                     base。CalculateTaxToPay() method; 176 

          ArrayList instance; 231                                  BaseGenerated class; 428 

          arrays; 204–205                                          BaseLinked class; 206 

          artificial intelligence (AI) system; 77                  BaseLinkedListItem class; 207–208 

          ASCII (American Standard Code for                        Base。Me
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