Designing Highly Useable Software

environment, 225

pointer, 174–178

VBA (Visual Basic for Applications) system, 115

versions and version numbers

for libraries, 178, 216, 227–228

former systems, 216–218, 217

implementing, 221–224

.NET versioning system, 218–220

Unix and Linux versioning system, 220–221

in library names, 215

in Registry, 25

in software installation, 281

View Ports, 153

virtual devices, 45–46, 46–47

virtual interfaces, 47–50

decisions for, 51–53

drawing devices, 53–55

saving and loading sessions, 50

undoing work in, 51

viruses, 17

Visual Basic, 13–16, 15–16

Visual Basic for Applications (VBA) system, 115

visual languages, UML as, 39

Visual Studio.NET installer tool, 218

vocabulary, minimal, 116–117