Difference between revisions of "Code samples"
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Below are a selection of VB code samples. Feel free to use any of them in your own projects. | Below are a selection of VB code samples. Feel free to use any of them in your own projects. | ||
| − | + | Please also feel free to make your own contributions of articles and/or article modifications. The more articles we get the better this resource will be! :) | |
| − | + | ||
| − | [[ | + | ==COM objects== |
| + | * [[Events from a module|Firing events in an object from a code module]] | ||
| + | * [[Modularised Subclassing|Modularised Subclassing using interfaces and CopyMemory]] | ||
| + | * [[Modularised Subclassing The Same Object Twice|Modularised Subclassing (the same object twice) using interfaces and CopyMemory]] | ||
| + | * [[Singletons|Creating singleton objects]] | ||
| + | * [[Using For Next on your own class|How to make your classes support For/Next constructs]] | ||
| + | * [[Streaming HTML content into a webbrowser control from VB|Streaming HTML into a webbrowser control from VB]] | ||
| − | = | + | ==File handling== |
| − | [[ | + | * [[Create a shortcut|Creating shortcuts to files]] |
| + | * [http://www.earlsoft.co.uk/tips/fileio.php File I/O. Reliably] | ||
| + | * [[Special folders|Getting special folder paths]] | ||
| + | * [[API_Recursive_DIR_Structure|How to iterate through a directory structure using APIs]] | ||
| + | * [[Working with INI files in .NET|Working with INI files in .NET]] | ||
| − | [[ | + | ==Networking== |
| + | * [[Sharing_in_VbNET|Sharing Folders and Files in Vb.NET]] | ||
| + | * [[Detecting_Network_Adapters|How to get a list of the network adapters on the system]] | ||
| + | * [[Enumerating IPs|Enumerating the IP addresses allocated to the local machine]] | ||
| + | * [[Buffering TCP Data|Buffering TCP data incoming from a socket]] | ||
| + | * [[WebGet|Downloading files from websites using the WinInet API]] | ||
| − | = | + | ==Strings== |
| + | * [[GUIDs|Creating unique IDs (GUIDs)]] | ||
| + | * [[Shuffling|How to randomise a list]] | ||
| + | * [[Quotes|Including quote characters in a string]] | ||
| + | * [[Simplifying building of complex strings in code (eg sql statements)]] | ||
| − | ==Text boxes== | + | ==User interface== |
| − | [[Numberboxes|Allowing numeric values only]] | + | * [[Control arrays|Creating and using control arrays]] |
| + | * [[Mouse Hover and Out Events|How to catch mouse hover and out events]] | ||
| + | * [[Catch KeyPresses over whole form|How to catch KeyPresses on a form when a control has focus]] | ||
| + | * [[Edit Menus and the RichTextBox Control|Edit Menus and the RichTextBox Control]] | ||
| + | * [[ComDlg|Common Dialog API Wrapper Class]] | ||
| + | * [[DynamicControl|Dynamic control creation]] | ||
| + | * [[Streaming HTML content into a webbrowser control from VB|Streaming HTML into a webbrowser control from VB]] | ||
| + | |||
| + | ===Graphics=== | ||
| + | * [[Drawing with GDI|Introduction to GDI drawing]] | ||
| + | * [[Using GDI to draw to a backbuffer|Drawing with a backbuffer]] | ||
| + | * [[Drawing an image to a DC|How to draw an image to a DC with GDI]] | ||
| + | * [[All About StretchBlt|All about StretchBlt]] | ||
| + | * [[Pattern Brushes|Pattern Brushes]] | ||
| + | * [http://www.visualbasicforum.com/showthread.php?t=129548 BitBlt] | ||
| + | * [[Creating Fonts|Creating Fonts]] | ||
| + | * [[Drawing sprites using any colour as transparent|Drawing sprites using any colour as transparent]] | ||
| + | * [[SaveJPG|Saving JPEGs using GDI+ in Windows XP]] | ||
| + | * [[GetDefaultIcon|Get Default File Icon]] | ||
| + | * [[PersistentGraphics|Persistent Graphics in VB.Net]] | ||
| + | |||
| + | ===Look & Feel=== | ||
| + | * [[XP style|Using XP style controls in your application]] | ||
| + | * [[Creating Transparent Controls (.NET)|Creating a transparent control in .NET]] | ||
| + | * [[Tabbed dialogs|Using Tab controls in your applications]] | ||
| + | |||
| + | ===Text boxes=== | ||
| + | * [[Numberboxes|Allowing numeric values only]] | ||
| + | * [[Chat windows|Scrolling chat windows]] | ||
| + | |||
| + | ===List boxes=== | ||
| + | * [[Listbox Quickfind|Find items in a ListBox speedily]] | ||
| + | |||
| + | ===Windows=== | ||
| + | * [[Always on top|Making a window "Always on top"]] | ||
| + | * [[Dragging windows|Dragging windows/controls the easy way]] | ||
| + | * [[Creating Floating Tool Windows|How to create a tool window that floats above your app]] | ||
| + | * [[Subclassing|How to subclass a window to catch useful windows messages in VB6]] and in [[Subclassing in .NET|VB.NET]] | ||
| + | * [[Modularised Subclassing|Modularised Subclassing using interfaces and CopyMemory]] | ||
| + | * [[Modularised Subclassing The Same Object Twice|Modularised Subclassing (the same object twice) using interfaces and CopyMemory]] | ||
| + | * [http://www.vbwm.com/articles/builder/viewer.asp?ArticleID=16 Regions and windows] | ||
| + | |||
| + | ==Variables== | ||
| + | * [http://www.bytemycode.com/snippets/snippet/251 Hashtables in VB6] | ||
| + | * [[Is it an integer|How do you tell if a number is an integer?]] | ||
| + | * [[Identifying data types|Obtain the type name for a variable]] | ||
| + | * [[Passing UDTs to Classes|Pass a user defined type to a class]] | ||
| + | * [[Pointers and CopyMemory|Pointers and CopyMemory]] | ||
| + | * [http://xtremevbtalk.com/showthread.php?t=78889 Sorting] | ||
| + | * [[Storing collections in property bags]] | ||
| + | |||
| + | ==Miscellaneous== | ||
| + | * [[MD5 Hashing Using the CryptoAPI|MD5 Hashing Using the Windows Cryptography API]] | ||
| + | * [[System Tray|Adding icons to Explorer's System tray]] | ||
| + | * [[Open a URL|Open a URL in a web browser]] | ||
| + | * [[Sleep without locking|Sleeping without locking up the program]] (uses DoEvents) | ||
| + | * [[Why_DoEvents_Are_Evil|Why DoEvents can cause problems]] | ||
| + | * [[Windows version|Detecting the version of Windows]] | ||
| + | * [[Close_Without_End|How to close your app without using End]] | ||
| + | * [[API Errors In Plain English|How to translate an API error to its textual equivalent]] | ||
| + | * [[Standards of Nomenclature and Semantics|Standards of nomenclature and semantics]] | ||
| + | * [[SecondsToHMS|Converting seconds to Hours:Minutes:Seconds]] | ||
Latest revision as of 11:26, 8 October 2009
Below are a selection of VB code samples. Feel free to use any of them in your own projects.
Please also feel free to make your own contributions of articles and/or article modifications. The more articles we get the better this resource will be! :)
COM objects
- Firing events in an object from a code module
- Modularised Subclassing using interfaces and CopyMemory
- Modularised Subclassing (the same object twice) using interfaces and CopyMemory
- Creating singleton objects
- How to make your classes support For/Next constructs
- Streaming HTML into a webbrowser control from VB
File handling
- Creating shortcuts to files
- File I/O. Reliably
- Getting special folder paths
- How to iterate through a directory structure using APIs
- Working with INI files in .NET
Networking
- Sharing Folders and Files in Vb.NET
- How to get a list of the network adapters on the system
- Enumerating the IP addresses allocated to the local machine
- Buffering TCP data incoming from a socket
- Downloading files from websites using the WinInet API
Strings
- Creating unique IDs (GUIDs)
- How to randomise a list
- Including quote characters in a string
- Simplifying building of complex strings in code (eg sql statements)
User interface
- Creating and using control arrays
- How to catch mouse hover and out events
- How to catch KeyPresses on a form when a control has focus
- Edit Menus and the RichTextBox Control
- Common Dialog API Wrapper Class
- Dynamic control creation
- Streaming HTML into a webbrowser control from VB
Graphics
- Introduction to GDI drawing
- Drawing with a backbuffer
- How to draw an image to a DC with GDI
- All about StretchBlt
- Pattern Brushes
- BitBlt
- Creating Fonts
- Drawing sprites using any colour as transparent
- Saving JPEGs using GDI+ in Windows XP
- Get Default File Icon
- Persistent Graphics in VB.Net
Look & Feel
- Using XP style controls in your application
- Creating a transparent control in .NET
- Using Tab controls in your applications
Text boxes
List boxes
Windows
- Making a window "Always on top"
- Dragging windows/controls the easy way
- How to create a tool window that floats above your app
- How to subclass a window to catch useful windows messages in VB6 and in VB.NET
- Modularised Subclassing using interfaces and CopyMemory
- Modularised Subclassing (the same object twice) using interfaces and CopyMemory
- Regions and windows
Variables
- Hashtables in VB6
- How do you tell if a number is an integer?
- Obtain the type name for a variable
- Pass a user defined type to a class
- Pointers and CopyMemory
- Sorting
- Storing collections in property bags
Miscellaneous
- MD5 Hashing Using the Windows Cryptography API
- Adding icons to Explorer's System tray
- Open a URL in a web browser
- Sleeping without locking up the program (uses DoEvents)
- Why DoEvents can cause problems
- Detecting the version of Windows
- How to close your app without using End
- How to translate an API error to its textual equivalent
- Standards of nomenclature and semantics
- Converting seconds to Hours:Minutes:Seconds
