You should pay attention when using default arguments in virtual functions. The default values in the overriding function have to be identical to the corresponding default values in the base
#including a file more than once during the same compilation session will most likely cause the compiler to issue error messages since definitions and declarations of the file are repeated.
You can use Rnd followed by Randomize to seed Visual Basic’s random number generator. Whenever you use the same seed, Rnd produces the same sequence of random numbers: Rnd -1Randomize
The “Auto-Propercase Text Box at Entry” tip [VBPJ May 1997, page 63] has a simpler solution. The StrConv function can propercase any string. You can achieve the same effect with
While developing a database front end for hand-tool management, I discovered a need to handle both fractional and decimal representations of dimensions in the same text box. This makes it
When you define a form named MyForm, Visual Basic creates one instance with the name “MyForm.” Many programmers confuse this special instance with other instances created using Dim. For example,
Question: We want to begin collecting customer e-mail addresses from our Web site. Our current file system is mainframe based, storing all data in uppercase format. Are e-mail addresses case
Question: In my Visual Basic ActiveX DLLs, some of the methods that I created for my objects use optional parameters. When I attempt to call these methods, I receive a
Question: I have noticed that some sites have tables that sit side-by-side. I can never duplicate this behavior with my HTML scripts. Do you have any suggestions? Answer: Positioning two