Asynchronous Processing without Threads
This section is short because you probably already know how to use a timer. Visual Basic .NET supports an Application object, similar to the VB6 App object. The VB .NET Application object implements an Idle event. You can assign a delegate to the Application.Idle event and achieve asynchronous capabilities too.
Using a Timer
The Timer is implemented as a control. A crystal oscillates at a certain frequency in your PC and this known oscillating frequency is used to clock your PC. At a very low level, the BIOS supports implementing an interrupt event handler that is notified when the internal hardware timer ticks. After 10 years or so, the low-level capabilities inherent in the average PC were wrapped in ...
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