VB.Net examples (example source code) Organized by topic

VB.Net

Windows Presentation Foundation /

3D 17 AccessText 4

Animation 75 Application 10

ApplicationCommands 13 ArcSegments 2

BackgroundWorker 2 Binding 30

BitmapEffect 20 Border 3

Brush 21 BulletDecorator 1

Button 57 Canvas 33

CheckBox 6 Clip 1

CollectionViewSource 5 Color 22

ComboBox 8 Command 11

Common Dialog 1 ContextMenu 1

ControlTemplate 9 Cursor 3

DataContent 2 DataTemplate 5

DockPanel 13 DoubleAnimation 5

DrawingGroup 1 Ellipse 25

Event 21 EventTrigger 15

Expander 4 FlowDocument 37

Font 8 Frame 5

Geometry 33 Glyphs 1

Grid 46 GridSplitter 7

GroupBox 2 HierarchicalDataTemplate 1

Hyperlink 2 Image 24

ImageBrush 38 InlineUIContainer 1

InputGestureCollection 1 ItemsControl 4

IValueConverter 3 Key Event 19

Label 6 LayoutInformation 1

Line 11 LinearGradientBrush 12

ListBox 42 ListView 8

Margin 2 Matrix 10

MediaElement 9 Menu 13

MessageBox 5 Mouse 24

MultiDataTrigger 1 NavigationWindow 1

ObjectDataProvider 5 ObservableCollection 4

Padding 2 Page 9

Panel 3 PasswordBox 1

Path 35 Polygon 13

Polyline 13 Popup 6

Print 3 ProgressBar 6

RadialGradientBrush 9 RadioButton 7

Rectangle 27 RepeatButton 3

Resource 34 RichTextBox 11

RoutedCommand 13 ScrollBar 1

ScrollViewer 7 Slider 9

Span 9 SpellCheck 1

StackPanel 18 StatusBar 7

Storyboard 12 Stroke 23

Style 27 StyleSelector 1

SystemParameters 1 SystemSounds 1

TabControl 5 TextBlock 36

TextBox 28 Thread 16

Timer 3 ToggleButton 2

ToolBar 4 ToolTip 7

Transform 21 TreeView 5

UI Element 16 UniformGrid 3

ValidationRule 2 Viewbox 7

VisualBrush 8 Window 38

WrapPanel 6 Xaml 26

XmlDataProvider 3

Data Structure /

Array Multi Dimension 14 Array Preserve 1

Array ReDim 3 Array Search 22

Array Sort 17 Array 41

ArrayList 29 ArraySegment 1

BitArray 11 CaseInsensitiveComparer 1

Collection 11 CollectionBase 2

CollectionsUtil 1 Column Map 1

CompareTo 2 ConcurrentBag 1

ConcurrentQueue 1 ConcurrentStack 1

Connection 2 Dictionary 21

Enumerable 13 HashSet 13

HashTable 15 HybridDictionary 1

IComparable 3 IComparer 2

IConvertible 2 IDisposable 2

IEnumerable 3 IFormatProvider 1

LinkedList 6 LinkList Yours 1

List Yours 5 List 64

ListDictionary 4 NameObjectCollectionBase 8

NameValueCollection 5 OrderedDictionary 2

Queue Yours 1 Queue 12

ReadOnlyCollectionBase 3 Sort 1

SortedDictionary 23 SortedList 38

Stack Yours 1 Stack 6

StringCollection 5 StringEnumerator 1

Generics /

Generic Class 4 Generic Delegate 1

Generic Dictionary 2 Generic Function 1

Generic Interface 1 Generic List 2

Generic Tree 2

Class /

Abstract Class 2 Class Define 4

Class Type 2 Clone 2

Constructor 8 Extension 1

Hash Code 1 Inheritance 4

Instance Variables 1 Interface 10

Me 1 Member Function 1

Operator Overload 1 Overload 2

Overridable 3 Override 2

Polymorphism 2 Private 2

Property 7 Protected 1

ReadOnly 4 Shadows 1

Shared 5 ToString 3

Database ADO.net /

Access Connection String 2 Access Data Delete 1

Access Data Insert 1 Access Data Read 1

Access Data Update 1 Access Database 2

ADO.net Exception 3 Alias 1

Data Bind to ComboBox 1 Data Bind to DataGrid 3

Data bind to Label 1 Data bind to ListBox 2

Data Bind to TextBox 3 Data Provider 5

Database ListBox 2 Database ListView 3

Database NULL 1 Database Reader 5

Database to SOAP 1 Database to XML 5

Database Utility 2 DataColumn 2

DataGrid 6 DataSet Read 2

DataSet to Binary 1 DataSet Update 4

DataSet XML 4 DataTable 1

DataView 1 Db2 1

Encrypt Database Data 2 Fill DataSet 1

Filter 1 MySQL 2

ODBC 2 OleDb Adapter 1

OleDb SQL Server Connection String 1 OleDb Store Procedure 2

OleDb Table Schema 2 OleDbCommand Parameter 1

OleDbConnection 1 OleDbDataReader 2

OleDbException 1 Oracle 2

OracleConnectionStringBuilder 2 Scalar Data 3

Sql Data Adapter 2 Sql Data Type 3

SQL Server Connection String 2 Sql Server Store Procedure 4

SqlCommand Builder 1 SqlCommand Create 3

SqlCommand Delete 2 SqlCommand Drop 2

SqlCommand Insert 4 SqlCommand Parameter 4

SqlCommand Select 6 SqlCommand Update 2

SqlConnection 8 SqlDataReader 8

Table Column 3 Table Relation 3

Table Schema 2 Transaction 6

File Directory /

Binary File Read 8 Binary File Write 12

CryptoStream 1 Cypher Decypher File 4

DeflateStream 2 Directory 40

DirectoryInfo 22 Drive 10

DriveInfo 2 File Drag Drop 1

File Lock 1 File Open Mode 1

File System Watcher 3 File System 3

File 46 FileInfo 26

FileIOPermission 1 FileMode 1

FileOptions 1 FileSecurity 2

FileStream 18 FileSystemInfo 1

FreeFile 1 GZipStream 3

IsolatedStorageFile 1 Memory Stream 4

Path 4 Serialize Object 7

Serialize to XML 2 Special Directories 7

Stream Action 1 Stream Reader 9

Stream Writer 23 Stream 10

StringReader 1 StringWriter 4

TempFile 1 Text File Read 11

Text File Write 14 TextReader 1

LINQ /

All 2 AndAlso 1

Anonymous Object 6 Any 3

Average 3 Count 6

Distinct 5 Enumerable 1

Except 2 First 4

FirstOrDefault 3 From 4

Func 3 Group 5

Intersect 3 Lambda 5

Let 1 Max 6

Min 4 Order 9

Query 19 Reverse 1

Select 27 SequenceEqual 3

Single 1 SingleOrDefault 1

Skip 3 SkipWhile 1

Sum 5 Take 5

TakeWhile 2 ToArray 1

Union 3 Where 13

GUI /

Action Handler 1 Anchor 2

Background Worker 1 Button 7

CheckBox 2 CheckBoxList 5

ComboBox 2 Container Control 1

Context Menu 1 Control Inheritance 2

Control Owner Draw 2 Control Subclass 2

Control 8 Cursor 3

DataGridView 2 DataRow 1

Date Time Picker 3 Dialog Color Chooser 3

Dialog File Save Open 6 Dialog Folder Browser 3

Dialog Font 4 Dialog Print 2

Dialog Your Own 4 Dock 3

DomainUpDown 2 Drag Drop 9

Drag Move 1 Error Provider 1

Form Event 2 Form Inheritance 2

Form OnPaint 4 Form Owner 1

Form Redraw 1 Frame Form 6

Frame Icon 1 Frame Special 9

GroupBox 2 GUI Basics 1

GUI Event 4 Helper Provider 2

Image List 1 Label Multiline 1

Label 5 Layout Panel 1

Layout 3 LinkLabel 6

ListBox 12 ListView 12

MDI 6 Menu 11

MessageBox 4 Month Calendar 4

MsgBox 1 Notify Icon Tray 2

NumericUpDown 3 Paint Mode 3

Panel 3 Password 1

PictureBox 5 PopupMenu 1

Print Document 3 Print Preview 6

Print Setting 6 Print Setup Dialog 1

Progress Bar 3 Property Grid 2

Radio Button 5 ReDo UnDo 1

Resources 5 RichTextBox 4

Rtf format 2 Ruler 1

Screen Capture 2 Scrollable Control 1

ScrollBar 4 SDI 2

SendKeys 1 Splash Screen 1

Split Container 2 Status Bar 4

System Font 5 System Icons 1

TabControl 3 TextBox Special 2

TextBox Validation 4 TextBox 6

ToolBar 2 ToolStrip Menu 1

Toolstrip 4 Tooltip 1

TrackBar 1 TreeView 9

User Control 2

Event /

Focus 1 Key Action 4

Mouse Draw 1 Mouse Enter Leave 1

2D /

Arc 3 Area Combination 5

Arrow 1 Bezier 4

Bitmap 5 Bmp 2

Brush 6 Clip 6

Color 6 Curve 3

Drag Draw 1 Draw Image 3

Draw String 7 Ellipse 2

Fill Mode 1 Font Metrics 1

Font Paint 7 Gif 1

Gradient 16 Graphic Path 10

Graphic State 1 Graphics Path Iterator 1

Hatch Brush 3 Icon 1

Image Animator 2 Image File 1

Image 6 Interpolation Mode 1

JPG 1 Line Alignment 1

Line Compound 1 Line Dash 3

Line Join 2 Line Smooth Mode 1

Line 4 LineCaps 4

Matrix 1 Paint Size 2

Path String 1 PathGradientBrush 1

Pen Alignment 2 Pen Join 1

Pen 7 Pie 2

Ploygon 1 PNG 1

Public 2 Rectangle 4

Region 1 Rotate 3

Scale 9 Shape 1

Shear 2 Smooth 3

Star 2 String Format Paint 8

String Trim Paint 1 Text Contrast 1

Text Layout 2 Text Rendering Hint 2

Texture Brush 5 Texture 4

Tiff 1 Transform 5

Translate 2 ttf File 1

Wmf 4

Network Remote /

Dns 9 Domain Name 1

Email 1 HttpWebRequest 3

IP Address 9 Message Receiver 1

Message Sender 1 Remote asynchronus 1

Remote Basics 3 Remote Factories 1

Remote Life Time 1 Remote Mode 2

Remote Object 1 Remote Soap Server 1

SOAP Envelope 1 SocketAddress 1

SocketPermission 2 TCP Client 1

TCP Server 3 UDP Client 14

UDP Server 1 URI 30

UriBuilder 5 Web Page 4

Web Request 17 WebClient 3

WebException 1 WebHeaderCollection 5

WebPermission 12 WebResponse 8

Thread /

Buffer 1 Lock 1

Producer Consumer 3 Suspend Resume 1

Thread Abort 1 Thread Basics 4

Thread DeadLock 1 Thread Join 3

Thread Priority 2 Thread Resume 1

Thread State 2 Thread Status 1

Thread Suspend 1 Thread Synchronize 4

Thread Wait 1

XML /

DOM 3 Namespace 4

Read XML File 2 XML Attribute 26

XML Database 1 XML DataGrid 2

XML DataSet 3 XML File Creation 6

XML File Read 9 XML Node 51

XML Schema 44 XML Serialize 5

XML String 1 XML Transform 7

XML Tree 5 XML Validation 8

XmlConvert 7 XmlDeclaration 1

XmlDocument 20 XmlElement 2

XmlImplementation 1 XmlNode 20

XmlProcessingInstruction 1 XmlQualifiedName 1

XmlReader 52 XmlResolver 3

XmlSchemaSet 1 XmlTextReader 18

XmlTextWriter 12 XmlUrlResolver 1

XmlWhitespace 1 XmlWriter 25

XPath 7 XPathDocument 2

XPathNavigator 48

XML LINQ /

Aggregate 1 Descendants 5

Namespace 1 Query 15

XAttribute 23 XComment 1

XContainer 14 XDocument 34

XElement 64 XML Edit 23

XML Load 11 XML Save 4

XNamespace 26 XObject 10

XPath 7

Security /

AsnEncodedDataCollection 1 Cryptography 6

DESCryptoServiceProvider 2 MD5 1

RSAPKCS1SignatureFormatter 1 Security 3

X509Certificate2Collection 1

Windows System /

Clipboard 9 Email Client 1

Environment Setting 15 Event Log 2

Excel 2 Management 1

ManagementClass 3 Memory 1

Process 16 Registry 3

System Data Type 1 System Web Browser 1

User 3 Volumn 1

Web Favorite 4 Window Message 2

Application /

Painter 1 Text Editor 2

Web Browser 1

Internationalization I18N /

ASCIIEncoding 14 CultureInfo I18N 16

Encoding 44 NumberFormat 3

NumberFormatInfo 27 NumberStyles 11

RegionInfo 8 UnicodeEncoding 7

UTF8 File 1 UTF8Encoding 8

Date Time /

Date Format 8 Date Operation 34

Date Time Format 32 Date Time Function 6

Date Time Parse 21 Date Time 83

DateTimeOffset 4 TimeSpan 17

TimeZone 5 TimeZoneInfo 31

Development /

Application 2 Assert 1

BitConverter 30 Calendar 23

Command Line 5 Console Format 29

Console 34 Convert to Boolean 13

Convert to Byte 16 Convert to Char 11

Convert to Decimal 13 Convert to Double 12

Convert to Int16 15 Convert to Int32 16

Convert to Int64 15 Convert to SByte 14

Convert to Single 13 Convert to String 29

Convert to UInt16 17 Convert to UInt32 15

Convert to UInt64 16 Convert 19

Debug 1 Decoder 4

Environment 25 Err Number 2

Event 2 Exception Catch 6

Exception Message 4 Exception Stack 2

Exception System 4 Exception Yours 4

FormatNumber 1 Garbage Collection 12

GetType 5 GregorianCalendar 9

GUID 4 Is Value Type 1

Late Binding 1 Math Function 41

Object 15 OperatingSystem 3

Password 1 Random 23

Reflection 15 Regular Expressions 52

SecureString 1 SerialPort 7

Sound 1 String Format 5

StringInfo 1 Symmetric Algorithm 1

Timer 2 Version 2

Data Types /

BigInteger 103 Boolean 10

Byte 31 Char 44

Complex 53 Convert from String 38

Data Type Convert 22 Data Type 15

Decimal Format 15 Decimal Parse 4

Decimal 36 Double Format 36

Double Parse 8 Double 26

Enum Format 11 Enum 44

float 4 Hex 9

Integer Format 32 Integer Parser 2

Integer 25 Long 9

NumberStyles 3 Numeric Format 69

Oct 1 SByte 12

Short 1 Single 26

String Compare 26 String Search 13

String Split 14 String 107

Tuple 7 UInteger 1

ULong 3 UShort 1

Language Basics /

Action 2 And 2

AndAlso 2 As 2

Attribute 3 Boxing UnBoxing 1

ByRef 8 ByVal 9

Cast 1 Catch Exception 3

Character Trmming 12 Const 5

Delegate 11 Do Until 2

Do While 5 Exit Try 1

Exit 3 Finalize 3

Finally 2 For Each 3

For 11 Function Parameter 4

Function Recursive 4 Function 3

Goto 4 If 7

IIf 1 Is 1

Lambda 7 Macro 2

Main Function 2 Mod 2

Not 2 nullable 3

Operator Logic 3 Or 1

OrElse 2 Overflow 1

Select 9 StringBuilder 45

Structure 9 Throw 7

Variable Scope 3 Variable 1

While 1 With 1

Xor 2