VB6 comes with an ActiveX control named MSWLESS.ocx (“Microsoft Windowless Controls 6.0”), which contains lightweight equivalents for these standard controls: WLTextWLFrameWLCommandWLCheckWLOptionWLComboWLListWLHScrollWHVScroll The controls have lower resource consumption than their regular
You’ll use the Format function most often with numbers, but it can be useful when applied to strings as well. For example, you can format a credit card number-which is
A POD (plain old data) object has one of these data types–a fundamental type, pointer, union, struct, array, or class–with no constructor. Conversely, a non-POD object is one for which
VBScript has two functions for adding/subtracting dates or date values: DateAdd and DateDiff. For example: DateAdd(interval, number, date)DateDiff(interval, date1, date2 [,firstdayofweek[, firstweekofyear]]) Interval could be “yyyy” for Year, “q” for
As you work with a VB project, the project file–VBP–can become littered with relative path references such as “……..myfoldermyform.frm”. The project loads, but only on your machine. If you send
An object’s behavior is defined by the operations that can be performed on it. This in turn translates to the methods defined in the object’s type or class. Java’s reflection
Sometimes, an event might fire while it’s already executing from a prior invocation. To prevent this unwanted behavior, assign a static variable within the procedure, and test it before allowing
Question: How many characters can fit in an alert box? Answer: There’s no way to tell how many characters can fit in an alert box. The size of the dialogs
Under some circumstances, the reference counting model can enhance performance in terms of both memory usage and speed. A reference counting class counts how many object instances have an identical