Parallel Port Complete

Parallel Port Complete

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Provides advice for Visual Basic programmers attempting to interface hardware through standard ports.In Visual Basic, you can use the Timer control or Time function to poll an input at a rate you select. If the signal youa#39;re ... For example, to detect when a user presses a pushbutton, you might connect the pushbutton to an input that goes low while the switch is pressed. But if the ... One way to solve both of these problems is to latch the signal that indicates a key press until the program detects and clears it.

Title:Parallel Port Complete
Author: Jan Axelson
Publisher:lakeview research llc - 1996

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