C# / C Sharp examples (example source code) Organized by topic

C# / C Sharp

Windows Presentation Foundation /

3D 15 AccessText 5

Animation 64 Application 24

ApplicationCommand 11 BackgroundWorker 10

Binding 49 BitmapEffect 10

BitmapSource 4 Border 11

Brush 11 Button 37

Canvas 17 CheckBox 12

Clip 4 CollectionViewSource 3

Color 20 ComboBox 11

Command 15 Common Dialogs 1

ContextMenu 3 ControlTemplate 15

Coordinate 2 Cursor 2

Curve 1 DataContextProperty 2

DataTemplate 6 DataTrigger 3

DependencyProperty 5 DependencyPropertyDescriptor 1

Dispatcher 7 DockPanel 10

DoubleAnimation 8 Drag Drop 1

DrawingBrush 10 DrawingGroup 2

DrawingImage 6 Ellipse 14

Event 22 EventSetter 1

EventTrigger 8 Exception 13

Expander 2 FlowDocument 33

Focus 1 Font 6

Forms 3 Frame 7

Geometry 18 GeometryGroup 2

Glyphs 1 Grid 65

GridSplitter 7 GroupBox 2

HeaderedItemsControl 1 HierarchicalDataTemplate 2

Hyperlink 2 Image 22

ImageBrush 17 InputBinding 1

InputGestureCollection 1 ItemsControl 4

ItemsSource 1 IValueConverter 6

JpegBitmapEncoder 2 Key Event 15

Label 5 LayoutInformation 1

Line 7 LinearGradientBrush 23

ListBox 49 ListView 15

Margin 5 Matrix3D 8

MediaElement 11 Menu 15

MessageBox 5 Mouse 27

NavigationService 1 NavigationWindow 1

ObjectDataProvider 5 ObservableCollection 5

Padding 4 Page 6

Panel 14 PasswordBox 3

Path 46 Polygon 20

Polyline 21 Popup 8

PresentationTraceSources 1 Print 4

ProgressBar 6 RadialGradientBrush 4

RadioButton 10 Rectangle 22

RenderTransform 23 RepeatButton 3

Resource 31 RichTextBox 8

RoutedCommand 16 ScrollViewer 5

Separator 1 Slider 20

SolidColorBrush 12 SoundPlayerAction 2

Span 1 Speech Synthesis 2

StackPanel 10 StatusBar 10

Storyboard 8 Stroke 15

Style 21 SystemParameters 1

TabControl 11 TextBlock 39

TextBox 28 TextDecoration 10

TextRange 1 Thread 9

Thumb 2 Timeline 2

Timer 3 ToolBar 10

ToolTip 17 TreeView 11

UI Element 19 UniformGrid 1

Validation 3 vb 23

Viewbox 1 VisualBrush 7

Window 54 WrapPanel 8

Xaml 17 XamlReader 2

XmlDataProvider 11 xps 2

GUI Windows Form /

Agent Help 2 Anchor 5

Bitmap 5 Border 2

Button 20 Calendar 4

CheckBox List 2 CheckBox 8

Clipboard 6 Clock 1

Color Dialog 4 ComboBox 7

Console 1 ContentAlignment 1

Control Anchor 1 Control 7

Cursor 6 Data Binding 2

Data Validation 2 DataGrid Data Binding 2

DataGrid 1 DateTimePicker 3

Dialog 8 Directory Tree 1

Docking 9 Drag Drop 5

Editor 1 Focus 2

Font Dialog 2 Font 13

Form Event 20 Form Frame Window 26

Form Style 6 Full Screen 1

GroupBox 3 Help System 2

ImageList 2 Irregularly Shaped Forms 10

Label 7 Layout 1

LinkLabel 3 ListBox Data Binding 6

ListBox 14 ListView 17

MaskedTextBox 2 MDI 10

Menu 7 MenuItem 11

MessageBox 7 Mouse On Form 1

Mouse 1 NativeWindow 1

Open File Dialog 10 PageSetupDialog 1

Paint 1 Panel 5

Password 2 PictureBox 8

Popup Menu 1 Print Dialog 2

Print 15 PrinterSettings 4

ProgressBar 2 Property Grid 1

RadioButton 9 ResourceManager 1

ResourceReader 2 ResourceWriter 3

ResXResourceWriter 2 RichTextBox 7

SaveFileDialog 4 Scrollable 2

ScrollBar 4 Splitter 6

StatusBar 12 System Tray Icon 1

Tab 2 TextBox 16

Thread and UI 4 Time 1

ToolBar 5 ToolStripMenuItem 2

Tooltips 5 Track Bar 1

Tray Icon 1 TreeView 13

Unicode Display 8 UpDown 5

User Control 5 Validation 2

Web Browser 4

Services Event /

Key Event 1 System Event 1

Office /

Office Application 1 Office Event 1

Word 3

LINQ /

Aggregate 4 All 4

Any 6 Average 5

Cast 1 Class Init 1

Compound from 6 Concat 6

Contains 6 Count 6

DataGridView 1 DefaultIfEmpty 3

Deferred Query 7 Distinct 5

ElementAt 4 ElementAtOrDefault 3

Enumerable.Empty 1 Enumerable.Range 2

Enumerable.Repeat 2 Enumerable 1

Equals 1 Except 4

Expression 3 Extension Method 4

Filter 4 First 5

FirstOrDefault 6 foreach loop 1

Group 3 GroupBy 5

GroupJoin 1 Index 4

Intersect 4 Join 5

Lambda 8 Last 2

LastOrDefault 4 LongCount 2

Max 8 Min 7

Nested Query 2 Object Query 4

OfType 3 OrderBy 13

OrderByDescending 1 Projection 1

Prototype 4 Query 7

Restriction 1 Reverse 2

select new 4 select 14

SelectMany 3 SequenceEqual 4

Single 3 SingleOrDefault 5

Skip 5 SkipWhile 5

SQL 1 Sub Query 2

Sum 6 Take 6

TakeWhile 4 ThenBy 2

ThenByDescending 1 ToArray 6

ToDictionary 6 ToList 4

ToLookup 4 Union 5

var 5 where 17

XML LINQ /

AddAfterSelf 1 AddBeforeSelf 1

AddFirst 2 Ancestors 6

AncestorsAndSelf 3 Attribute 26

Children 4 DescendantNodes 1

DescendantNodesAndSelf 3 Descendants 8

DescendantsAndSelf 1 Elements 4

ElementsAfterSelf 1 Event 2

InDocumentOrder 1 Load Save 23

Namespace 9 Nodes 23

NodesAfterSelf 1 OfType 2

Query 10 Remove 2

RemoveAll 1 ReplaceAll 1

Schema Validating 6 SetElementValue 1

Traverse 4 XAttribute 19

XCData 1 XComment 3

XDeclaration 3 XDocument transformation 2

XDocument 33 XDocumentType 2

XElement Update 3 XElement 44

XML Convert 7 XML Tree 5

XName 1 XNamespace 16

XObject 9 XPath 2

XProcessingInstruction 3 XStreamingElement 1

XText 1

Components /

AboutBox 1 Chart 1

Clock 1 ComboBox 3

Gradient Panel 1 Marquee Label 1

Numeric TextBox 1 Progress Bar 1

Screen Capture 1

Windows /

Clipboard 1 Event Log 6

Excel 1 File Security Permission 5

IIS 1 ManagementClass 5

ManagementObjectSearcher 1 Message 2

Registry Permission 2 Registry 6

Windows API 14 Windows Principal 6

Windows Service 3 Word 1

File Stream /

Ascii String Read Write 6 Asynchronous Input output 3

Binary Read Write 17 Bit Convert 2

BufferedStream 2 Byte Array 37

Byte Read Write 8 CSV 4

DeflateStream 1 Directory 69

Drive 8 Encode 7

File Attributes 2 File Command 23

File Cryptography 5 File Info 16

File MemoryStream 4 File Name 17

File Read Write 21 File Stream Encode 1

File System 5 File Util 42

File 38 FileSecurity 1

FileStream 27 FileSystemWatcher 4

FileVersionInfo 14 GZipStream 3

IDeserializationCallback 1 IsolatedStorageFile 4

Memory Stream 10 Path 45

Random Read 1 Serialization SOAP 3

Serialization 26 Stream Null 1

Stream Read Write 35 Stream 24

StringWriter 6 Temp File 2

Text File Read Write 23 UTF8 UTF16 5

Zip 3

Database ADO.net /

Access 6 ADO.NET Events 1

BindingManagerBase 1 Connection String 2

Create Database 1 Create table 3

CSV 2 Data Bind DataGrid 3

Data Bind Label 1 Data Bind ListBox 2

Data Bind TextBox 5 Data Binding 6

Data Fill ListView 1 Database to XML 3

Database Utilities 1 DataBinding TrackBar 1

DataGrid 6 DataGridView 7

DataRelation 3 DataRow 2

DataRowView 1 DataSet 19

DataTable 6 DataTableMapping 1

DataView 3 DB2 2

DbProviderFactory 2 Delete 4

IDbConnection 1 Insert 5

Introduction 1 Load Image 1

Many to Many 1 MySQL 1

ODBC Connection 1 ODBC 2

OdbcCommand 5 OleDbCommand 9

OleDbConnection 8 OleDbDataReader 7

OleDbReader 1 OleDbTransaction 4

Oracle 4 Result Set 3

Row Count 2 Select Query 2

Select 3 SQL Data Type 4

SQL Events 4 SQL Server Connection Pool 1

SQL Utilities 2 SqlCommand Parameters 1

SqlCommand 14 SqlCommandBuilder 8

SqlConnection 11 SqlConnectionStringBuilder 1

SqlDataAdapter 3 SqlDataReader 11

SqlDataSourceEnumerator 1 SqlException 4

Store Procedure 9 Table Column 4

Table Schema 6 Transactions 6

Update 8 XML Database 6

XML /

Attribute 32 DOM 13

Namespace 2 Node Type 6

Schema 14 Serialization 1

SOAP 2 Stylesheet 1

Tag 1 XML Create 3

XML DataGrid 3 Xml Encoding 2

Xml Format 3 XML ListView 1

XML Node 30 XML Read 54

Xml Serialization 15 XML Transform 7

XML Tree 3 XML Write 8

XmlDocument 11 XmlElement 26

XmlTextReader 23 XmlTextWriter 15

XmlWriter 20 XPath 16

XPathNavigator 33

2D Graphics /

Ani File 1 Animation 11

Arrow 1 Bitmap 32

Blend 1 Brush 10

Clip 5 Color Matrix 3

Color 42 Coordiate 2

Curve 6 Dash Pen 5

Double Buffer 2 Drag and Draw 3

Ellipse 1 FillMode 2

Font Style 7 Font Unit Metrics 6

Font 10 FontFamilies 5

Gif Animation 2 Gradient 13

Graphics File 1 Graphics Unit 4

Graphics 50 Hatch Brush 10

Icon Image 13 Image Decoder 1

Image 45 ImageAttributes 1

Interpolation Mode 2 JPG 3

Line Cap 9 Line Join 3

Line 11 LinearGradientBrush 4

Matrix 6 Mouse Draw 5

Path 19 PathGradientBrush 7

Pens 20 Pie 2

Pixel 3 Point 2

Polygon 1 Pyramid 1

Rectangle 5 Region Clip 2

Region 13 Rotate 4

Scale 1 Screen 3

Scrolling 2 Smooth Paint 2

Smoothing Mode 4 SolidBrush 2

String Format 7 StringAlignment 5

StringTrmming 6 SystemBrushes 1

SystemColors 1 SystemPens 1

Text Justify 11 Text Rendering 9

Text 17 Texture 11

Transform 7 wmf file 5

Network /

Broadcast 3 Captcha 1

CDO 1 Chat 4

Cookie 2 Crypto Connection 3

Data Send Receive 4 DNS 10

Dsml 2 FtpWebResponse 2

HTML 14 Http Channel 3

HTTP Put 2 HttpWebRequest 5

IP Address 30 IPEndPoint 2

IPHostEntry 1 Json 6

Mac Address 2 Mail 12

Mime Type 3 Net Mask 1

NetworkInterface 12 NetworkStream 5

Ping 9 Query String 4

SNMP 1 Socket Connection 11

Socket Listener 3 TCP Client 13

TCP Server 15 TCP Stream 1

Udp Client 13 Udp Server 4

URI 62 UriBuilder 6

Web Client 29 Web Crawler 7

Web Proxy Server 1 Web Request Response 18

Web Server 1 WebHeaderCollection 5

WebPermission 10

Web Services /

Active Directory 14 MessageQueue 2

SOAP 1

Thread /

AutoResetEvent 1 Monitor 3

Mutex 3 Producer Consumer 3

Thread Abort 2 Thread and GUI 2

Thread Creation 9 Thread Interupt Destroy 2

Thread Join 2 Thread Lock 3

Thread Monitor Manage 4 Thread Pool 6

Thread Properties 5 Thread Sleep 2

Thread Start Wait 3 Thread Sync 16

Threads Error 1 ThreadStart 1

WaitCallback 1

Event /

Key Event 14 Message 2

Mouse Event 19 System Event 2

Design Patterns /

Adapter Pattern 1 Chain Pattern 1

Composite Pattern 1 Facade Pattern 1

Factory Pattern 1 Observer Pattern 1

Proxy Pattern 2 Singleton Pattern 2

Strategy Pattern 1 Template Pattern 1

Generics /

Generic Class Hierarchy 5 Generic Class 9

Generic Collections 10 Generic Constraint 13

Generic delegate 6 Generic Interface 3

Generic Method 4 Generic Objects 1

Generic Parameters 1 Generic Serialization 1

Generic struct 1 Generic Tree 3

Generic Type 11 IComparable 1

IEnumerable 1 IEnumerator 1

Queue 1 where clause 1

Reflection /

Activator 4 AppDomain 17

Assembly 46 AssemblyName 4

Attributes 26 Base Type 2

BindingFlags 9 ConstructorInfo 9

Event 9 FieldInfo 27

Interface 3 MemberInfo 20

MethodInfo 18 Module 9

ParameterInfo 11 PropertyInfo 43

Type 73 Version 1

Security /

Checksum 6 CRC 5

Encrypt Decrypt 15 FileIOPermissionAccess 2

Hash 13 HashAlgorithm 1

KeyedHashAlgorithm 1 MD5 14

Password 5 PermissionSet 1

PrincipalPermission 3 RegistryPermission 2

SecureString 3 SecurityIdentifier 1

SecurityManager 2 SHA1Managed 11

X509Certificates 3

Development Class /

AppDomain 7 Application Event 8

Application 2 Assembly Permission 4

Assert Debug 2 Attribute 1

Base64 15 BitConverter 22

Buildin Exceptions 14 Cache 3

Command Line 2 Console Input Output 28

Console 17 ConsoleKey 1

Debug Trace 19 Decoder 4

DLL 5 Encoder 4

Environment Settings 50 EventArgs 1

Evidence 1 Exception 3

External API 1 FormsAuthentication 1

Garbage Collection 22 Geometry 18

Guid 7 Hash Code 2

IAsyncResult 2 ICryptoStream 2

Identity 2 ini file 1

Interlocked 5 LDAP 1

Log 16 Macro 4

ManualResetEvent 3 Marshal 1

Matcher 6 Math 75

MediaPlayer 1 Mono 1

Number Format 22 Parse 1

Parser 2 Polynomial 2

Process 22 ProcessStartInfo 2

Random 31 RandomNumberGenerator 1

Reflection Assembly 20 RegexCompilationInfo 2

Registry 17 Regular Expression 41

Resource ResX 18 Round 3

SerialPort 5 Service 1

Sound 1 SoundPlayer 1

StackAlloc 1 Start Process 1

Stopwatch 2 String Info 2

StringBuilder 23 StringWriter 1

System Object Method 11 System Registry 1

SystemEvent 2 SystemInfo 12

SystemSounds 1 Timer 10

Trace 5 UIPermission 1

Vector 9 Version 4

Volatile 1 WCF 2

WMI 2 XML Documentation 10

Xna 7

Collections Data Structure /

Array Dimension 18 Array Sort 2

Array Util 49 Array 42

ArrayList 23 BitArray 12

BlockingCollection 1 CaseInsensitiveHashCodeProvider 5

CollectionBase 3 CollectionsUtil 3

Compare 7 ConcurrentBag 1

ConcurrentQueue 1 ConcurrentStack 1

Dictionary 18 DictionaryBase 10

HashSet 9 Hashtable 18

ICollection 25 IComparable 4

IComparer 4 IDictionary 1

IEnumerable 45 LinkedList 8

List 46 ListDictionary 9

NameObjectCollectionBase 11 ObservableCollection 2

OrderedDictionary 3 Queue 16

ReadOnlyCollection 1 Search 1

Set 4 Sort 8

SortedDictionary 1 SortedList 24

Stack 14 StringCollection 6

StringComparer 7 StringDictionary 7

Tree 1 Your LinkedList 1

Regular Expressions /

Email 4 Group Capture 1

Match 14 Split 2

Url 1 Validation 10

Language Basics /

Alias 2 as 2

At 3 Attribute 18

Break 3 Comments 2

Constant 2 Continue 1

delegate anonymous 7 Delegate Async 4

delegate Event 14 delegate 25

DLL Library 5 Event Handler 3

Exception Class 17 Exception Finally 7

Exception Stack 6 Exception Throw 10

Exception Try Catch 23 Exit 1

Expressions 2 fixed 1

for 25 Foreach 11

Function Definition 6 Function Overloading 1

Function Parameters 9 Goto 4

If 12 Internal 1

is 4 Main 11

Mod 2 NameSpace 14

null 1 Operator bitwise 18

Operator is as 7 Operators 32

Parameters Passing 21 params 5

Pointer Unsafe 12 Preprocessor Directives 12

Ref Out 4 Reference Equal 1

sizeof 2 stackalloc 5

StringBuffer StringBuilder 13 Switch 12

throw 3 Try Catch 4

Unsafe Code 17 Using 2

Variable Definition 24 Variable Scope 5

While 14

Class Interface /

Abstract Class 6 Class Access Modifiers 8

Class Definition 25 Class Deriving 2

Class Inheritance 17 Class Method 16

Class Variables 7 Clone 6

Constructor 16 Destructor 6

IComparable 2 IComparer 2

ICustomFormatter 1 IDisposable 6

IEnumerable 8 IEnumerator 4

IFormattable 1 Indexer 19

Interface 28 ISerializable 1

Object Cast 6 Object Copy 1

Object Instance 7 Operator Overloading 14

Overloading Method 3 Override Virtual 12

params 1 private 1

Properties 18 public 5

readonly 4 Sealed 2

Static 12 struct 17

This 3 ToString 7

Internationalization I18N /

ASCIIEncoding 11 CultureAndRegionInfoBuilder 1

CultureInfo I18N 13 Encoding 25

I18N 2 NumberFormatInfo 4

RegionInfo 4 Unicode UTF16 9

UnicodeEncoding 18 UTF7Encoding 1

UTF8Encoding 22

Date Time /

Calendar 10 Date Time Calculation 11

Date Time Format 67 Date Time Util 44

Date Time 53 DateTimeFormatInfo 20

DateTimeOffset Calculation 15 DateTimeOffset Format 34

DateTimeOffset Parse 21 DateTimeOffset 45

GregorianCalendar 13 Time Span Parse 14

TimeSpan Format 13 TimeSpan 51

TimeZone 14 TimeZoneInfo 22

Data Types /

BigInteger 28 Binary Bit 11

bool 10 Boxing Unboxing 11

byte format 2 byte 34

cast 5 Casting Conversions 31

Char 21 checked unchecked 7

Complex 37 Convert 36

decimal 38 double format 60

double parse 16 double 17

Enum format 4 Enum 39

float format 10 float parse 16

float 14 HEX 29

IConvertible 1 IFormattable 3

IndexOutOfRangeException 1 int format 24

int parse 4 int 42

Literal 2 long 5

Matrix 4 Nulllable 7

Number 30 NumberFormatInfo 22

NumberStyles 16 octal 3

OverflowException 2 Parse 9

Partial Type 1 sbyte 13

short 2 String Array 15

String Compare 12 String Format 43

String Replace 9 String Search 10

String Split 29 String Util 56

String 42 Tuple 3

Type 4 ulong 1

ushort 1