Difference between revisions of "Code samples"
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Revision as of 04:19, 15 February 2007
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
- 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
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
- 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
- Multipe lines in a MsgBox
