May 2, 1999

Question: In a program, I’m calling a function in a dll. The time before that function is finished can vary from a few seconds to an hour, depending on the

Question: What happens in the Form Load? If I try to retrieve information from a database (using a DataControl and TextBoxes connected to the database), I can’t get the program

Question: How can I handle in Windows an IRQ7 interrupt, generated by my own measurement device connected to parallel port? It was easy in DOS. Any generic code would be

Question: I have a grid control on a form in Visual Foxpro. I want to keep it unbound and then later fill it with data. I set the recordsource property

Question: Is there a maximaum length of an SQL program? I have used the query designer in Visual Foxpro 3.0 with many lines of criteria. When I try to run

Question: We have a use counted object with addRef() and removeRef() functions. When the reference count gets to 0, we want the object to be deleted. Is { delete this;

Question: I’m trying to set and save user preferences for an application to a local file. The java.util.Properties class looks like what I want, but I don’t understand how to

Question: When I try to register a DLL I created in VB6, I get the message that tells me the DLL is not a valid windows NT image. At the

Question: How do I create an online help system to use in VB6? Answer: Try the HTML Help Workshop that ships with VB. It allows you to create a help