Question: I am having a hard time getting my OPO application to show decent performance. It’s running on a 32MB Win3.1 PC, and queries a Solaris x86 Oracle Server using

Question: In OPO v1.0, it was impossible to redefine a table in a BLAZE database. I assumed this would not be the case with an Oracle Lite database and OPO

Question: Is it possible to use the text ODBC driver in OPO v2.0 for this purpose by opening two sessions — one connected to an Olite database while the other

Question: Is there a way to enable and disable fields inside a repeater display depending on the values of fields on the master form?I have tried it various ways (on

Question: Power Objects to Oracle 7 server query…I thought this would be straightforward. I havea simple query to perform when the button isclicked — find and load info. on this

Question: I have a number of databases – filemaker, DBase, ASCII and CAD drawings. We want to convert everything to one database. Is this possible? What are some initial steps

Question: I need to change sound volumes (wave, midi, cd,line-in etc..) in Win95. How can I do it?Any Win32API functions I should call? Answer: I haven’t used this unit to

Question: I would like to begin by saying your site is great. I have used Ask the VB Pro in the past, so I hope you can help with this

Question: Is drag-and-drop on a menu item possible? Answer: If I was going to be rhetorical, I’d answer in very Zen-like terms:”Anything is possible.” But in more practical terms, no,

Question: How do you use the CreateToolbarEx function? I want to use it to create dockable tool bars. Answer: With CreateToolBarEx, you’re walking into real low-level stuff that willrequire that

Question: I want to see which users are logged on to the local area network through my Delphi application.I would like to know how I can call up the Windows

Question: As you know, when you create .db tables with referentialintegrity (i.e. Paradox or Desktop), this makes detail records that dependon the master. When you want to delete records in

Question: Is there a way to reset the net and lock files that an application develops withouthaving to shut down the software? Even a temporary pause would be acceptable. We

Question: I am trying to perform multiple queries, and to speed things up I want to perform a query on the result of a previous query. Is there an easy

Question: I’m trying to teach myself Delphi 2 and have no programming experience. I’m stuck on a simple problem. How do you bring up the About box from the About

Question: Can the drop-down items for a DBLookupComboBox be populated from the results of a TQuery? Answer: Yes, a query can act as the data source for a TDBLookupCombo. You

Question: When a user clicks on an item in a list box, how can I get the actual string that was clicked on? For example, if ‘dog,’ ‘cat,’ and ‘fish’

Question: How do I pull out every second digit from a string and sum them? Answer: This is a rather unusual question, but it’s not that hard to accomplish.What must

Question: I’m a Delphi rookie but an experienced programmer in Turbo Pascal.I’m trying to use DBF tables, with good results.But when I copy my compiled programs to a disketteand install

Question: I am trying to make a Delphi program that has TCP/IP networking capabilities.I found some functions, etc. in the wininet.dll.My question:Does anybody know how to use it?The manual says

Question: I have a couple of questions about passing information to aword processing template and controlling the saving of the template toanother name. I appreciate any guidance you can provide.

Question: I cannot find much info on how to do Date math. I am trying to determine elapsed days from a record entry date to the current date. I am

Question: I have a table. When I delete an item, the size of the table won’t change. I think the delete command for tables doesn’t move up the entries but

Question: How can you call a DOS command under Delphi 2.0? For example, I want to do a “TYPE >prn” from Delphi. Answer: You can do it with CreateProcess. Refer

Question: I have two questions:Question 1:How can I extend the painting functionality of a TWinControl like the TGraphicControl‘s Paint method? Question 2:I cannot find the Paint method in TWinControl to

Question: I am currently trying to convert three components to ActiveX components. I am doing this through Delphi 3, which I realize some people do not have access to.I need

Question: How can I call the operator= of the base class from the operator=in the derived class?The data member in the base class is a private data member. I want

Question: What is the difference between calling yield() and sleep()? Also, in what instances would you call either method? Answer: The Java platform uses the multithreading facilities of the host

Question: I’m a beginner in Java. I’ve tried two different applets now (one of which I borrowed from another site), both of which involved text fading and color changing. I