Visual CSharp 2005 Recipes (2006) [eng]

528 ■I N D E X

AddRectangle method	application domains, 65
GraphicsPath class, 263	avoid loading unnecessary assemblies into,
AddString method	70–71
GraphicsPath class, 263	creating types that cannot cross app domain
AddValue method	boundaries, 71–72
SerializationInfo class, 459	creating, 66–67
AddXXXX methods	creating types to be passed across app
DateTime structure, 50	domain boundaries, 67–70
Administrator value	executing assembly into different assembly,
WindowsBuiltInRole enumeration, 413	74–76
ADO.NET	instantiating type into different assembly,
commonly used aspects, 300	76–80
Advanced .NET Remoting, 2nd edition	loading assembly into, 72–74
Rammer, Ingo and Szpuszta, Mario, 384	passing data between, 80–82
All value	unloading at runtime, 82–83
AttributeTargets enumeration, 91	Application Settings
AllDirectories value	Visual Studio, 226–227
SearchOption enumeration, 163	ApplicationBase property
AllowDrop property	AppDomainSetup class, 66
Control class, 251	ApplicationDirectory class
AllowMultiple property	System.Security.Policy namespace, 408
AttributeUsageAttribute class, 92	ApplicationException class, 487
AllowNavigation property	applications
WebBrowser control, 254	ensuring only one instance of can execute
AllowPartiallyTrustedCallersAttribute class, 396	concurrently, 140–141
System.Security namespace, 395	apply templates command, 210
Alt value	ArgumentException class
ConsoleModifiers enumeration, 62	System namespace, 52, 307, 346, 467
AND (&) arithmetic operator, 147	ArgumentNullException class
AND (&&) operator, 13	System namespace, 88, 487
animated system tray icon, 247–248	ArgumentOutOfRangeException class
animation using DirectShow, 279–282	System namespace, 32, 487
AppDomain class, 175–176	Array class
CreateDomain method, 66	Sort method, 51
CreateInstance method, 76–77	ArrayList class, 31
CreateInstanceAndUnwrap method, 77	Sort method, 51, 468
CreateInstanceFrom method, 76	System.Collections namespace, 59, 81, 468
CreateInstanceFromAndUnwrap method, 77	ToArray method, 52
ExecuteAssembly method, 75–76	arrays
ExecuteAssemlyByName method, 75	copying a collection to, 52–54
GetData method, 80–81	sorting, 51–52
IsFinalizingForUnload method, 83	ASCII property
SetData method, 80–81	ASCIIEncoding class, 34
SetPrincipalPolicy method, 415	Encoding class, 353
SetThreadPrincipal method, 415	ASCIIEncoding class
System namespace, 415	ASCII property, 34
Unload method, 83	GetEncoding method, 34
AppDomainSetup class	assemblies
properties, 66	allowing partially trusted code to use strong-
values, 81	named assemblies, 394–396
AppendChar method	delay signing, 20–21
SecureString class, 432	ensuring runtime grants specific permissions
AppendChild method	to, 400–402
XmlNode class, 187	inspecting evidence, 409–411
Application class	limiting permissions granted to, 402–403
OpenForms property, 220	signing with Authenticode, 22–25
Run method, 4	strong-naming, 17–19
System.Windows.Forms namespace, 4	unloading at runtime, 82–83
application development	viewing permissions required by,
introduction and tools, 1	403–406

Assembly class

Evidence property, 409 Load method, 72–73, 77 LoadFrom method, 72–73

LoadWithPartialName method, 72 System.Reflection namespace, 72, 409

assembly evidence Evidence class, 410

AssemblyCultureAttribute class System.Reflection namespace, 18

AssemblyDelaySignAttribute class System.Reflection namespace, 21

AssemblyKeyFileAttribute class, 18 AssemblyKeyNameAttribute class, 18 AssemblyName class, 46

management of objects, 54 System.Reflection namespace, 46, 72

AssemblyVersionAttribute class System.Reflection namespace, 18

assignment (=) operator

supported by TimeSpan and DateTime structures, 49

asterisk (*) as placeholder for element name, 192 Asterisk property

SystemSounds class, 275 AsyncCallback delegate

System namespace, 325 AsyncCompletedEventHandler delegate

System.ComponentModel namespace, 341 AsynchCallback delegate

System namespace, 346 asynchronous database operations

performing against SQL Server, 324–327 asynchronous methods, determining if

finished, 325 Attachment class

System.Net.Mail namespace, 353 AttachmentCollection class

System.Net.Mail namespace, 353 Attachments property

MailMessage class, 353 Attribute class

System namespace, 91 attributes

setting for files and directories, 147–149 Attributes property

DirectoryInfo class, 144, 148 FileInfo class, 144, 148 XmlNode class, 184

Attributes value

NotifyFilters enumeration, 177 AttributeTargets enumeration

All value, 91

System namespace, 91 AttributeUsageAttribute class

AllowMultiple property, 92 Inherited property, 92 members, 91

System namespace, 91 ValidOn property, 91

■I N D E X 529

authentication

getting HTML pages from site that requires authentication, 349–351

Authenticode

signing assembly, 22–25 AutoCompleteMode property ComboBox control, 232

AutoLog property ServiceBase class, 513

AutoResetEvent class, 112 Set method, 121

System.Threading namespace, 120 used as a trigger, 111

AutoScroll property Panel control, 215, 268

AvailableFreeSpace property DriveInfo class, 145, 170–171

AxHost control

creating RCW for ActiveX controls, 454 members, 454

■B

BackgroundColor property Console class, 29

BackgroundImage property Form class, 264

BackupOperator value WindowsBuiltInRole enumeration,

413 Base64 encoding

MIME standards, 41 Base64-encoding binary data, 38–41 Bcc property

MailMessage class, 353 Beep method

Console class, 275 BeepOnError property

MaskedTextBox control, 230 BeforeExpand event

TreeView control, 154 BeginAcceptTcpClient method

TcpListener class, 363–364 BeginExecuteNonQuery method SqlCommand class, 324–325

BeginExecuteReader method SqlCommand class, 324–325

BeginExecuteXmlReader method SqlCommand class, 324–325

BeginGetContext method HttpListener class, 346–347

BeginGetHostEntry method Dns class, 355

BeginPrint event PrintDocument class, 284

BeginRead method NetworkStream class, 364

BeginWrite method NetworkStream class, 364

BigEndianUnicode property UnicodeEncoding class, 34

530 ■I N D E X

binary data	CancelAsync method
Base64-encoding, 38–41	WebClient class, 342
binary files	CanGoBack property
reading and writing, 158–160	WebBrowser control, 254
BinaryFormatter class, 60	CanGoForward property
Deserialize method, 58	WebBrowser control, 254
Serialize method, 58	CanHandlePowerEvent property
System.Runtime.Serialization.Formatters.	ServiceBase class, 512
Binary namespace, 58, 464	CanHandleSessionChangeEvent property
BinaryReader class	ServiceBase class, 513
Read method, 158	CannotUnloadAppDomainException class
ReadDecimal method, 158	System namespace, 83
reading from MemoryStream, 36	CanPauseAndContinue property
ReadString method, 158	ServiceBase class, 512
System.IO namespace, 36, 158, 344	CanShutdown property
BinaryWriter class	ServiceBase class, 512
converting decimal type to byte array, 36	CanStop property
System.IO namespace, 36, 158	ServiceBase class, 512
Write method, 158	Capacity property
BitConverter class	StringBuilder class, 32
converting bool type to and from byte array,	Caspol.exe, 397
36–38	caspol -e off, 398, 400
converting int type to and from byte array,	caspol -e off command, 398, 400
36–38	Code Access Security Policy tool, 396
GetBytes method, 36	casting
System namespace, 427	specialized collection classes, 135
ToBoolean method, 36	CC property
ToInt32 method, 36	MailMessage class, 353
ToString method, 38, 427–428	CCW (COM callable wrapper) defined, 455
Bitmap class	cert2spc.exe, 25
creating object, 270	Certificate Creation tool
BitVector32 class	arguments supported, 26
does not implement ICollection interface,	creating test X.509 certificate, 25
134	Certificates class
blocking	Find method, 350, 376
determining if asynchronous methods are	Select method, 376
finished, 325	Certificates property
Body property	WebClient class, 350
MailMessage class, 353	WebRequest class, 349
BodyEncoding property	Change method
MailMessage class, 353	Timer class, 108
bool type	Changed event
converting to and from byte array using	FileSystemWatcher class, 176–177
BitConverter class, 36–38	ChangeExtension method
BufferHeight property	Path class, 165–166
Console class, 29	char array
BufferWidth property	converting binary data to and from, 38
Console class, 29	character-encoding classes, 34
byte arrays	CheckExecutionRights property
Base64 encoding and decoding using	SecurityManager class, 398–400
Convert class, 38	CheckFileExists property
converting to standard value types,	OpenFileDialog class, 172
36	ChildNodes property
■C	XmlDocument class, 184
	XmlNode class, 184
callback	classes
determining if asynchronous methods are	restricting who can extend and override
finished, 326	members, 407–409
CancelAllJobs method	ClassesRoot field
Win32_Printer class, 298	RegistryKey class, 509

■I N D E X 531

Clear method	COM Interop
Console class, 29	accessing ADO objects, 451
SecureString class, 433	all code full trust, 395
ClientCertificates collection	COM port, accessing, 179–180
HttpWebRequest class, 350	Combo Box class
System.Security.Cryptography.X509	creating autocomplete version, 232–234
Certificates namespace, 376	ComboBox control
ClientCertificates property	AutoCompleteMode property, 232
SmtpClient class, 352	KeyPress event, 232
WebRequest class, 376	OnKeyPress method, 232
ClientHandler class, 364	OnTextChanged method, 232
ClientRectangle property	TextChanged event, 232
Control class, 265	command line
Clone method	accessing command-line arguments, 10–11
ICloneable interface, 463–464	creating and using a code library, 9–10
cloneable types	creating and using a code module, 7–9
implementing, 463–467	creating a console application, 2–4
CloneMenu method	creating a Windows-based application, 4–7
MenuItem class, 239	including code selectively at build time, 12–15
CloneNode method	command-line utilities
XmlDocument class, 189	Tlbexp.exe, 455
XmlNode class, 191	Tlbimp.exe, 451
Close method	xsd.exe (XML Schema Definition Tool),
connection objects, 302	207
data reader classes, 320	command objects
HttpListenerContext class, 347	common properties, 312
CloseAllFigures method	creating, 312
GraphicsPath class, 263	CommandLine property
CloseMainWindow method	Environment class, 10, 500
Process class, 138–139	CommandText property
code	command objects, 312
See also unmanaged code	IDbCommand interface, 311
preventing decompilation, 27–28	CommandTimeout property
selectively including at build time with	command objects, 312
command line, 12–15	CommandType enumeration
code access permissions, 402	System.Data namespace, 312
code access security, 393	values, 312
disabling, 396–398	CommandType property
Code Access Security Policy tool.	command objects, 312
See Caspol.exe	IDbCommand interface, 311
code groups, 393	CommonDialog class
code library	System.Windows.Forms namespace, 172
create and use from command line,	comparable types
9–10	implementing, 467–471
code module	Compare method
create and use with command line, 7–9	IComparer interface, 235, 468
collections	CompareExchange method
copying to arrays, 52–54	Interlocked class, 129
ColumnCount property	CompareTo method
TableLayoutPanel container, 238	IComparable interface, 467
COM	Compiled option
exposing .NET components, 455–456	RegexOptions enumeration, 45
COM callable wrapper. See CCW (COM callable	CompileToAssembly method
wrapper)	Regex class, 45–46
COM clients	complex types
recommendations, 456	XML schemas, 200
type requirements, 455	Component class
COM components	System.ComponentModel namespace, 72,
releasing quickly, 452–453	342, 358
using in .NET clients, 450–452	WebClient class derives from, 342

532 ■I N D E X

ComputeHash method	Contains method
HashAlgorithm class, 164, 424–425, 430	Rectangle struct, 259–260
ConditionalAttribute class, 13	context-sensitive help, 252–253
applying to a method, 13	ContextMenu property
System.Diagnostics namespace, 12	NotifyIcon control, 247
used by Trace and Debug classes, 15	Control class
Configuration class	AllowDrop property, 251
System.Configuration namespace, 309	ClientRectangle property, 265
ConfigurationFile property	deriving class from, 265
AppDomainSetup class, 66	DoDragDrop method, 251
ConfigurationManager class	DragDrop event, 251
ConnectionStrings property, 309	DragEnter event, 251
OpenExeConfiguration method, 309	Handle property, 279, 442
System.Configuration namespace, 309	MouseDown event, 244, 251
Configure method	MouseMove event, 244
RemotingConfiguration class, 381	MouseUp event, 244
connection pooling, 304	Region property, 263, 265
example, 305–306	System.Windows.Forms namespace, 265
settings, 304–305	Tag property, 217
Connection property	Control value
command objects, 312	ConsoleModifiers enumeration, 62
ConnectionString property	ControlBox property
ConnectionStringSettings class, 309	Form class, 244
IDbConnection interface, 301, 307	ControlCollection class
ConnectionStrings property	Add method, 214
ConfigurationManager class, 309	obtaining, 214, 219
ConnectionStringSettings class	ControlPolicy element
ConnectionString property, 309	SecurityPermission class, 397, 399
creating and configuring, 309	ControlPrincipal element
ProviderName property, 309	SecurityPermission class, 415, 418
System.Configuration namespace, 309	controls, creating irregularly shaped control,
ConnectionStringsSection collection	263–265
adding ConnectionStringSettings object to, 309	Controls property
SectionInformation class, 309	Container class, 214
console	Form class, 219
manipulating appearance, 28–30	Convert class
reading user input, 61–64	Base64 encoding and decoding, 38
console application	FromBase64CharArray method, 38
creating from command line, 2–4	FromBase64String method, 38
Console class	System namespace, 38
Beep method, 275	ToBase64CharArray method, 38
example, 275–276	ToBase64String method, 38
KeyAvailable method, 62	Convert method
properties and methods, 29	Encoding class, 35
Read method, 61	CopyFromScreen method
ReadKey method, 61	Graphics class, 270
ReadLine method, 61	CopyTo method
System namespace, 28, 61, 483	FileInfo class, 149
ConsoleColor enumeration	ICollection interface, 52
System namespace, 29	count function, 196
ConsoleKeyInfo class	Covington, Michael A
properties, 62	System.GC.KeepAlive(mutex) statement,
System namespace, 62	141
ConsoleModifiers enumeration	Create method
values, 62	DirectoryInfo class, 150
ConstructorInfo class	FileInfo class, 149
Invoke method, 87–88	HashAlgorithm class, 164, 424, 426
System.Reflection namespace, 87	KeyedHashAlgorithm class, 430
Container class	RandomNumberGenerator class, 421
Controls property, 214	WebRequest class, 344

■I N D E X 533

XmlReader class, 197, 200–201	Credentials property
XmlWriter class, 197	SmtpClient class, 352
CreateAdapter factory method	WebClient class, 350
DbProviderFactory class, 328	WebRequest class, 349–350, 376
CreateAttribute method	critical sections, 116
XmlDocument class, 187	CrossProcess value
CreateCommand factory method	MemoryProtectionScope enumeration,
connection objects, 312	436
DbProviderFactory class, 328	CryptGenRandom function, 421
CreateCommand method	cryptography, 393–394
IDbConnection interface, 312, 328	calculating the hash code of a file, 425–427
CreateConnection factory method	calculating the hash code of a password,
DbProviderFactory class, 328	422–425
Created event	creating a cryptographically random
FileSystemWatcher class,	number, 421–422
176–177	encrypting and decrypting data using data
CreateDomain method	protection API, 435–437
AppDomain class, 66	ensuring data integrity using keyed hash
CreateElement method	code, 429–431
XmlDocument class, 187	verifying a hash code, 427–429
CreateInstance method	working with security-sensitive strings in
Activator class, 90	memory, 432–435
AppDomain class, 76–77	CS1555 compilation error, 2
CreateInstanceAndUnwrap method	CultureInfo class, 484
AppDomain class, 77	CurrentCulture method, 484
CreateInstanceFrom method	System.Globalization namespace,
Activator class, 90	484
AppDomain class, 76	Currency value
CreateInstanceFromAndUnwrap method	DbType enumeration, 316
AppDomain class, 77	Current property
CreateNode method	IEnumerator interface, 475
XmlDocument class, 187	CurrentConfig field
CreateParameter factory method	RegistryKey class, 509
DbProviderFactory class, 328	CurrentCulture method
CreateParameter method	CultureInfo class, 484
IDbCommand interface, 316, 328	CurrentDirectory property
CreatePrompt property	Environment class, 500
SaveFileDialog class, 173	CurrentPrincipal property
CreateShortcut method	Thread class, 415, 418
WshShell class, 518	CurrentUICulture property
CreateSubdirectory method	Thread class, 243
DirectoryInfo class, 150	CurrentUser field
CreateSubdirectory property	RegistryKey class, 509
DirectoryInfo class, 144	CurrentUser value
CreateSubKey method	DataProtectionScope enumeration,
RegistryKey class, 509	436
CreateText method	CursorLeft property
FileInfo class, 149	Console class, 29
CreationTime property	CursorSize property
DirectoryInfo class, 144	Console class, 29
FileInfo class, 144	CursorTop property
CreationTime value	Console class, 29
NotifyFilters enumeration, 177	CursorVisible property
CredentialCache class	Console class, 29
Add method, 376	custom attribute
DefaultCredentials property,	creating, 91–93
350, 352	custom event argument
implements ICredentialsByHost interface,	implementing, 490–492
352	custom exception class
System.Net namespace, 350	implementing, 486–490

534 ■I N D E X

■D

data manipulation, 31 data protection API

encrypting and decrypting data, 435–437 data providers, 299

interfaces, 328 data reader classes

commonly used members, 319 methods, 319

database access, 299–300 connecting to a database, 301–304 connection pooling, 304–306 creating a connection string

programmatically, 306–308 data providers, 299

discover all instances of SQL Server on network, 331–333

executing a SQL command or stored procedure, 311–315

obtaining XML document from SQL Server query, 321–324

performing asynchronous operations against SQL Server, 324–327

processing results of SQL query using data reader, 318–321

storing a connection string securely, 308–311 using parameters in SQL command or stored

procedure, 315–318

writing database-independent code, 328–331 DataProtectionScope enumeration

System.Security.Cryptography namespace, 436

values, 436 DataRow class

System.Data namespace, 332 DataSet class

System.Data namespace, 71, 328 DataTable class

System.Data namespace, 319, 329, 332, 382 dates and times

add, subtract and compare, 49–51 creating from strings, 47–49

DateTime class Parse method, 47

ParseExact method, 47 System namespace, 31, 47

DateTime structure

add, subtract, and compare dates and times, 49–51

Add methods, 50 operators supported by, 49

System namespace, 109, 144, 468 DateTime value

DbType enumeration, 316 DateTimeFormatInfo class, 484

System.Globalization namespace, 48 DbConnectionStringBuilder class

implementations for standard data providers, 307

System.Data.Common namespace, 306

DbProviderFactories class, 329 DbProviderFactory object instantiating,

330

GetFactory method, 329 GetFactoryClasses method, 329

DbProviderFactory class CreateAdapter factory method, 328

CreateCommand factory method, 328 CreateConnection factory method, 328 CreateParameter factory method, 328 instantiating, 330

subclasses, 329 System.Data.Common namespace,

316, 329 DbType enumeration

System.Data namespace, 316 values, 316

DbType property parameter objects, 316

DbType value

DbType enumeration, 316

DCOM (Distributed Component Object Model) remoting as successor to, 335

Debug class

System.Diagnostics namespace, 15 decimal type

Base64 encoding and decoding using Convert class, 38

converting to byte array, 36

reading using BinaryReader instance, 36 decompiling code, preventing, 27–28 Decrement method

Interlocked class, 129 Decrypt method

FileInfo class, 149 deep copying, 463

reasons why types do not implement, 464

Default property Encoding class, 34

DefaultCredentials property CredentialCache class, 350, 352

DefaultPageSettings property PrintDocument class, 285

delay signing assemblies, 20–21 Delete method

DirectoryInfo class, 150 FileInfo class, 149

Deleted event

FileSystemWatcher class, 176–177 DeleteSubKey method

RegistryKey class, 509 DeleteSubKeyTree method RegistryKey class, 509

DeleteValue method RegistryKey class, 509

demands, 393 Description property

NetworkInterface Class, 337 deserialization attributes, 459

■I N D E X 535

Deserialize method	DllImportAttribute class
BinaryFormatter class, 58	EntryPoint portion, 440
IFormatter interface, 58	SetLastError field, 448
SoapFormatter class, 58	System.Runtime.InteropServices namespace,
destructor, 480	439
dialog boxes, showing, 172–174	Dns class
Dictionary class	BeginGetHostEntry method, 355
System.Collections.Generic namespace, 54,	EndGetHostEntry method, 355
223	GetHostByName method, 355
Direction property	GetHostEntry method, 355
parameter objects, 316	GetHostName method, 355
Direction value	System.NET namespace, 355
ParameterDirection enumeration,	Document property
316	PrintDialog class, 285
Directory class	PrintPreviewControl class, 293
Exists method, 167	PrintPreviewDialog class, 292
GetCurrentDirectory method, 168	WebBrowser control, 255
GetLogicalDrives method, 170	DocumentCompleted event
SetCurrentDirectory method, 168	WebBrowser control, 254
System.IO namespace, 167–168	DocumentElement class
using instead of DirectoryInfo, 147	containing nested XMLNode objects, 184
Directory property	DocumentElement property
FileInfo class, 144	XmlDocument class, 184
DirectoryInfo class, 143	documents
Attributes property, 148	validating against a schema, 199–204
copy method is missing from class,	DocumentText property
150	WebBrowser class, 211
derives from FileSystemInfo class, 145	WebBrowser control, 255
GetDirectories method, 163	DoDragDrop method
GetFiles method, 163	Control class, 251
members, 144	DOM (W3C Document Object Model), 184
methods, 150	Domain property
Refresh method, 145	ProcessStartInfo class, 136
System.IO namespace, 144, 147, 149, 163	double buffering
using Directory class instead, 147	using to increase redraw speed, 271–273
DirectoryName property	DoubleBuffered property
FileInfo class, 144	Form class, 271
DirectoryName value	Down value
NotifyFilters enumeration, 177	OperationalStatus enumeration, 337
DirectoryNotFoundException class, 145	DownloadData method
DirectorySecurity class	WebClient class, 341
retrieving, 180	DownloadDataAsync method
DirectShow	WebClient class, 341
showing animation, 279–282	DownloadDataCompleted event
DisallowPublisherPolicy property	WebClient class, 341
AppDomainSetup class, 66	DownloadFile method
DisplayName property	WebClient class, 341
ServiceInstaller class, 516	DownloadFileAsync method
disposable class	WebClient class, 341
implementing, 480–483	DownloadString method
Dispose method	WebClient class, 341
IDisposable interface, 480, 510	DownloadStringAsync method
SecureString class, 433	WebClient class, 341
Timer class, 108	DownloadStringCompleted event
Dispose pattern	WebClient class, 341
example, 481–483	DPAPIProtectedConfigurationProvider class,
implementing, 480	309
using statement, 480	drag-and-drop operations, 251–252
Distributed Component Object Model. See	DragDrop event
DCOM	Control class, 251

536■I N D E X

DragEnter event Control class, 251

DragEventArgs class Effect property, 251

DrawImage method Graphics class, 284

DrawString method

Graphics class, 268, 284, 290 DriveInfo class

AvailableFreeSpace property, 170–171 example, 171

GetDrives method, 170 IsReady property, 145 members, 144

System.IO namespace, 144 TotalFreeSpace property, 171

DriveType enumeration, 145 DriveType property

DriveInfo class, 145 DynDatafield

RegistryKey class, 509

■E

EchoCompletedEventArgs class, 379 EchoCompletedEventHandler delegate, 379 Effect property

DragEventArgs class, 251 elements

finding by name, 191–192

finding with Xpath search, 194–197 ELEMENTS keyword, 322 EllipseShape control

creating, 265–267

email, sending using SMTP, 351–355 EmptyTypes field

Type class, 88 EnableRaisingEvents property

FileSystemWatcher class, 177 EnableSsl property

SmtpClient class, 352 Encoding class

ASCII property, 353 Convert method, 35 Default property, 34 GetBytes method, 34 GetEncoding method, 34 GetString method, 34

System.Text namespace, 33, 158, 353, 424 Encrypt method

FileInfo class, 149 EndAcceptTcpClient method

TcpListener class, 364 EndExecuteNonQuery method

SqlCommand class, 324–325 EndExecuteReader method

SqlCommand class, 324–325 EndExecuteXmlReader method SqlCommand class, 324–325

EndGetContext method HttpListener class, 346

EndGetHostEntry method Dns class, 355

EndPrint event PrintDocument class, 284

Enter method

Monitor class, 115–116 EntryPoint portion

DllImportAttribute class, 440 Enum class

GetUnderlyingType method, 87 System namespace, 87

enumerable collection implementing, 471–475

enumerable type

implementing using custom iterator, 475–480

EnumWindows function, 447 displaying names of open windows,

447–448 Environment class

CommandLine property, 10 example, 501, 503–504

ExpandEnvironmentVariables method, 503 GetCommandLineArgs method, 10 GetEnvironmentVariable method, 503 GetEnvironmentVariables method, 503 members, 499

System namespace, 10, 499 environment variable

retrieving variable, 503–504 Environment.SpecialFolder enumeration, 501 EnvironmentVariableTarget enumeration

System namespace, 503

equality, testing two files for, 164–165 equality (==) operator, 13

supported by TimeSpan and DateTime structures, 49

Error value

EventLogEntryType enumeration, 504 ErrorDialog property

ProcessStartInfo class, 136 ErrorProvider component, 248

providing input error for TextBox control, 250 errors, retrieving unmanaged error information,

448–450 Ethernet value

NetworkInterfaceType enumeration, 337 event argument, custom

implementing, 490–492 Event pattern, 494 EventArg class

System namespace, 490 EventArgs class

System namespace, 494 EventLog class

example, 505

System.Diagnostics namespace, 504 WriteEntry method, 504

EventLog property ServiceBase class, 513

EventLogEntryType enumeration System.Diagnostics namespace, 504 values, 504

EventResetMode enumeration System.Threading namespace, 121

EventWaitHandle class OpenExisting method, 121 System.Threading namespace, 120 using in manual mode, 121

evidence, 393 Evidence class

collections, 410 methods, 409

System.Security.Policy namespace, 66, 409

Evidence property Assembly class, 409

Exception class

implements ISerializable interface, 488 System namespace, 487

exception class, custom implementing, 486–490

ExceptionState property ThreadAbortException class, 132

Exchange method Interlocked class, 129

ExecuteAssembly method AppDomain class, 75–76

ExecuteAssemlyByName method AppDomain class, 75

ExecuteNonQuery method IDbCommand interface, 311–312 SqlCommand class, 325

ExecuteReader method IDbCommand interface, 311–312,

318, 328 SqlCommand class, 325

ExecuteScalar method IDbCommand interface, 311–312

ExecuteXmlReader method SqlCommand class, 321–322, 325

Execution element SecurityPermission class, 399

Exists method Directory class, 167 File class, 167

Exists property DirectoryInfo class, 144 FileInfo class, 144

Exit method

Monitor class, 115–116 ExpandEnvironmentVariables method

Environment class, 500, 503 Explicit property

LayoutKind class, 445 expression syntax table

XPath, 195 Extension property

DirectoryInfo class, 144 FileInfo class, 144

■I N D E X 537

■F

FailureAudit value

EventLogEntryType enumeration, 504 Families property

FontCollection class, 258 FastEthernetTvalue

NetworkInterfaceType enumeration, 337 FieldCount property

data reader classes, 319 FieldOffsetAttribute class, 445 File class

Exists method, 167 GetAccessControl method, 180 SetAccessControl method, 180 System.IO namespace, 167 using instead of FileInfo, 147

File Signing tool

superseded by Sign Tool, 22 FileAttributes enumeration

System.IO namespace, 144 FileInfo class, 143, 163

Attributes property, 148

derives from FileSystemInfo class, 145 Length property, 151

members, 144 methods, 149 Refresh method, 145

System.IO namespace, 144, 147, 149, 217 using File class instead, 147

FileIOPermission class, 174–175 FileLoadException class

System.IO namespace, 19, 400 FileName property

ProcessStartInfo class, 136 SaveFileDialog class, 173

FileName value

NotifyFilters enumeration, 177 FileNames collection, 172 FileNotFoundException class, 145

System.IO namespace, 9, 73 files, directories, and IO, 143

accessing a COM port, 179–180 calculating size of directory, 151–152 creating a temporary file, 169–170 determining if path is directory or file,

167–168

finding files matching wildcard expressions, 163–164

getting a random filename, 180

getting total free space on drive, 170–172 manipulating strings representing filenames,

165–167

manipulating access control lists of file or directory, 180–182

monitoring file system for changes, 176–179

moving, copying, or deleting a file and directory, 149–151

reading a file asynchronously, 160–163 reading and writing a binary file, 158–160