(The Base option doesn??™t matter
for any value of 9 or less.)
In most cases, you??™ll want to select Decimal (even though Microsoft
didn??™t bother to make it the default), since decimal notation is what
most humans use for ordinary counting numbers. Note that if there??™s
already a number in the Value data field, switching the Base converts
the number in real time, which incidentally is a good way to illustrate
the difference between the two settings.
The application that creates each value in the Registry solely determines the
particular type and purpose of the value. In other words, no strict rules limit
which types are used in which circumstances or how values are named. A
programmer may choose to store, say, the high scores for some game in a
binary value called High Scores or in a string value called Lard Lad Donuts. All
you have to do in your role as Registry hacker is provide the values in the
format expected by a given application.
An important thing to notice at this point is the string value named
(default) that appears at the top of every key.* The default value cannot be
removed or renamed, although its contents can be changed; an empty
default value is signified by value not set. The (default) value doesn??™t necessarily
have any special meaning that would differentiate it from any other
Figure 3-5. DWORD values are just numbers, but they can be represented in decimal or
hexadecimal notation
* In the more simplistic Registry found in Windows 3.
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