D format specifier for integer values 131, 191, 310

dangling-else problem 188

• exercise 188, 189

data 5, 27

data binding 901

data hierarchy 7

data source 374, 868

• entity data model 909

Data Source Configuration Wizard 909

Data Sources window 909, 910

data structure 300, 773

data types

• bool 148

• double 164

• float 164

database 9, 28, 894

• add to a project 903

• saving changes in LINQ to Entities 914

• schema 896

database connection 903

database management system (DBMS) 894

database schema 896, 900

database table 895

DataContext class SaveChanges method 901

DataContractJsonSerializer class 720

DataGridView control 902, 910

DataSource property BindingSource class 914

Date property of a DateTime 609

DateChanged event of class MonthCalendar 608, 609

DateTime structure 658, 950

• AddDay method 612

• AddYears method 612

• DayOfWeek property 612

• Now property 658, 878

• Subtract method 878

• ToLongDateString method 612

• ToLongTimeString method 658

DateTimePicker class 609

• CalendarForeColor property 609

• CalendarMonthBackground property 609

• CustomFormat property 609

• Format property 609

• MaxDate property 609, 612

• MinDate property 609, 612

• ShowCheckBox property 609

• ShowUpDown property 610

• Value property 609, 610, 611

• ValueChanged event 609

DateTimePickerFormat enumeration 609

• Custom value 609

• Long value 609

• Short value 609

• Time value 609

DayOfWeek

• enumeration 612

• property of DateTime 612

DB2 894

DbContext class 901, 907, 913

• SaveChanges method 915

DbExtensions class 914

• Load extension method 914, 918

DBMS (database management system) 894

dealing a card 316

Debug menu 39

Debugging 39

decimal digit 7

decimal literal 128

decimal point 164, 167

decimal simple type 82, 126, 979

• Parse method 131

decimal type

• Parse method 132

DecimalPlaces property of class NumericUpDown 579

decision 89, 148

decision symbol 148

declaration 80

• class 69, 70

• method 71

declarative programming 373

declare a constant 306

decrement operator, -- 173, 174

decrypt 191

deeply nested statement 223

default

• case in a switch 208

• keyword 208

default case 256

default constructor 125, 408, 443

default event of a control 554

default settings 25

default type constraint (object) of a type parameter 827

default value 112, 177

default value for optional parameter 271, 271

deferred execution 388, 874

definite repetition 157

definitely assigned 159, 260

Delegate 956

delegate 553, 843, 861

• Delegate class 554

• Func 872, 874, 913, 914, 919

• MulticastDelegate class 554

• registering an event handler 553

Delegate class 554

delegate keyword 553, 863

Delete method of class Directory 728

Delete method of class File 727, 735

deletion 777

delimited comments 67

Dell 2

Department of Defense (DOD) 18

dependent condition 217

dequeue operation of queue 792

derived class 436

Descendants method of class XDocument 963

descending modifier of a LINQ orderby clause 375

deselected state 569

Deserialize method of class BinaryFormatter 720

deserialized object 720

design mode 56

design process 13, 28

Design view 37, 48

destructor 413

dialog 37

DialogResult enumeration 574, 708

diameter 103

diamon

• dsymbol 235

diamond 148

• in the UML 146

dice game 257

dice rolling exercise 356

dictionary 850

Dictionary class 845

Dictionary<K,V> class 735, 845, 851

• Clear method 735

• ContainsKey method 735

• Keys property 735

• Remove method 735

digit 83

digits reversed 295

direct base class 436, 438

Directory class 727, 731

• CreateDirectory method 728

• GetFiles method 735

• methods (partial list) 728

DirectoryInfo class 638, 727

• Exists method 638

• FullName property 638

• GetDirectories method 638

• GetFiles method 638

• Name property 638

• Parent property 638

disk 5

display output 94

displaying line numbers in the IDE xxxix

Dispose method of interface IDisposable 502, 526

distance between two points exercise 295

distance between values (random numbers) 257

Distinct extension method of interface IEnumerable<T> 380

divide and conquer 274

divide by zero 163, 511, 514

DivideByZeroException class 511, 514, 517

division 6, 86

.dll file 76, 653

do keyword 204

do...while iteration statement 147, 204, 205, 225

dock a control 558

Dock property of class Control 559, 911

docking demonstration 559 .NET 21

• Framework 20, 817

• Framework Class Library (FCL) 16, 21, 68, 239, 250, 501

• Framework documentation 68

• initiative 20

.NET 4.6 21

.NET Core xxxix, 17, 21

dotted line in the UML 146

Double 822

(double) cast 167

double data type 164

double equals, == 90

double quote, " 72, 79, 80

double selection 225

double-selection statement 147, 169

double simple type 82, 203, 979

• Parse method 245

Double struct 773

Double.NaN 511, 533

Double.NegativeInfinity 511

Double.PositiveInfinity 511

doubly linked list 787

down-arrow button 50

downcast 490

drag the mouse 45

Draw event of class ToolTip 577

draw on control 657

DrawEllipse method of class Graphics 627

DrawPie method of class Graphics 627

DrawRectangle method of class Graphics 627

DreamSpark xxxiii

driver class 108

drop-down list 546, 623

DropDown value of enumeration ComboBoxStyle 623

DropDownList value of enumeration ComboBoxStyle 623

DropDownStyle property of class ComboBox 623, 624

dual-core processor 7, 27

dummy value 161

duplicate elimination 802

Duplicate Elimination exercise 356

Duplicate Word Removal exercise 393

DVD 700

dynamic binding 489

dynamic data structures 773

dynamic memory allocation 775, 776

dynamic resizing 371

dynamic resizing of a List collection 382

dynamically linked library 76, 653