Professional

Parallel.Invoke method
okClick method, 30–31
on clause of equals operator, 480–481
OnActivated method, 685–687
OnLaunched method, 29, 684–685
OnPropertyChanged method, 661, 674
openFileClick method, 111
operands, 45
OperationCanceledException exceptions, 551, 556,
558, 580
catching and handling, 552–554
operator !=, 500–501
operator ==, 500–501
operator+, 497
operator keyword, 494, 509, 514
operator overloading, 444, 493–514
operators, 493–494
arguments, 495
arithmetic, 45–54
associativity, 53, 90–91, 493–494
binary, 494
Boolean, 88–91
comparing, 500
compound assignment, 107–108, 498–499
conditional logical, 89–90
constraints, 494
conversion, 508–514
data types and, 45–47
equality, 501
implementing, 501–508, 514
increment and decrement, 499
for int type bits, 354–355
language interoperability and, 498
null-conditional, 184–186
overloaded, 494–496
pairs, 500–501
parameter types, 495–496
precedence, 52–53, 58, 90–91, 493–494
prefix and postfix forms, 55, 499
public, 495
static, 495
structures and, 208
symmetric, 496–497
unary, 55, 493
optional parameters, 77–85
ambiguities, resolving, 80–81
defining, 79
vs. parameter arrays, 252–254
OR (|) operator, 354
OrderBy Descending method, 476
OrderBy method, 475–476, 491
orderby query operator, 479, 491
ordering data, 475–477
out keyword, 189, 394
out parameters, 187–190, 199
params keyword and, 247
OutOfMemoryException exceptions, 192
Output window, 12
overflow checking, 139
checked expressions, 140–143
OverflowException exceptions, 129, 131
catch handler for, 141–142
in checked statements, 139–140
overloading, 10, 68
constructors, 158–159
operators, 444, 493–514
vs. parameter arrays, 243–244
params keyword and, 246–247
override keyword, 263–265
override methods, 295–296
declaring, 263–265, 276
rules for, 264
writing, 269–270
overriding vs. hiding, 262–263
P
Pack class, 235
Package.appxmanifest file, 604
Page tag, 607
paging, 721
Parallel class, 536–543
abstracting tasks, 536–540
considerations for, 541–543
degree of parallelization, 538
ParallelLoopState objects, 549
scheduling tasks, 542
Parallel LINQ (PLINQ), 560, 575–580, 599
canceling queries, 580, 599
iterating collections, 576–578
Parallel.For method, 537, 539–543, 558
canceling, 549
lock statements, 597
unpredictable behavior, 582–583
Parallel.ForEach method, 542–543, 558
canceling, 549
Parallel.ForEach method, 537
Parallel.Invoke method, 537–538, 541, 543
767