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Question: I would like to make a row (in a frame) of command buttons that could light up when depressed. And also have some small round buttons (like option buttons)
Question: Each time I run a certain application from VB environment, resources go lower and lower. When I exit VB, all the memory is released.I do not have that problem
Question: I am a teacher (this explains my lack of expertise at understanding many VB technicalitiesin manuals etc.) experimenting with creating bits and pieces of software for children with learning
Question: How can I run the following “SHELL” command in VB? It works fine in PowerBasic, but VB 3.0 doesn’t like it.SHELL “DIR *.BKP > FILES.LST”Any ideas? Answer: Try this:Shell
Question: When starting a VB program and I load the starting form, I wantto get the directory from the active program. How do I get thedirectory name? Answer: The Path
Question: I need execute some commands to rename/copy files. What is the best method of performing this type of function.I do not want to fire off a batch file, but
Question: What all do I need to know to create a screen saver in Visual Basic? Answer: Windows screensavers are easy and fun to write in Visual Basic, but there
Question: When I try to unload some forms with database controls on them while in the Form_Load event, VB tries to show the form again and issues the statement ‘Object
Question: I need a way to make a grid/table that would support headers and cell data spanning multiple rows as wellas multiple columns. Any ideas? Answer: VideoSoft has a product
Question: How do you limit the size of a help file definition window? When I program a pop-up window for a definition, its as big as the main Help window
Question: How can get the Text contained in a specified Cell in DBGrid? Answer: If you set the Row and Col properties first, you can then look at the “Text”
Question: I made a copy of a project for a new application. The problem is that each time a message box is displayed it has the old project name as
Question: I am looking for a way to determine the numberof bytes on a hard drive. Preferable I’d liketo know the total bytes on a drive and the bytes used
Question: It is easy to use control arrays to load controls inside a container. Now the problem is I do not know how many containers e.g., groups of option buttions,
Question: How do I center a form on the monitor regardless of monitor resolution? Answer: The Screen object contains the properties of the current display. In the Form_Load event, you
Question: My VB program produces as output, paper reports such as Income Statements and Balance Sheets. How do we get the numbers to print as they should, that is, dollars
Question: We have a big complete hospital system written in ClipperWe had looked at VO, but that does not seem to be the way to goWe will now concentrate on
Question: Can you suggest ways to delay sending keystrokes to the external application? I’ve tried inserting ‘For-Next’ loops of different durations but without success. Answer: Try a timer control. That
Question: VB reports the wrong number of records from an Access database with the RecordCount property. The same query to dBase files reports the correct number of records. What is
Question: I use version 4.0 and the school I go to uses version 3.0. I use windows 95 and they use windows 3.1. I know you can convert a 3.0
Question: I am new to Visual Basic and wanted to know how to write those nifty little help files. Answer: Help files are fairly easy to create. All you need
Question: Could you tell me how to clear a MaskEdit Field? Answer: To clear a masked edit field’s text, you first have to set the mask to “”, then set
Question: How do I get four simple .bmp pictures to animate?Could you maybe give me an example? What the picturesare is a green scare then it would turn into a
Question: I’m in the process of refining a program I wrote. What I need to do is find the user’s mail directory on a Network server. To do this, the
Question: My application makes use of different forms.I call forms by ‘hide’ the current form and ‘show 1’ to showthe next one.When I want to return to the previous form
Question: How do you save information?Say a made a game, and i wanted high scores, how do I want to do that? Answer: You could do it a number of
Question: I am trying to design a telephone directory and am unable to set the 2 dimensional arrayas an unknown number. How do I do this? Answer: The best way
Question: If i declare a new form as an object variable,Dim NewForm as Formset NewForm=form2NewForm.ShowOnce I have a one of those forms, how do refer to that particularinstance of the
Question: I have a form containing a Picture Box control.This control currently contains a bitmap i.e. the pictureproperty contains a filename. How do I change the picture property back to
Question: I am using Visual Basic as my front-end tool to read an oracle 7 database residing on an oracle network. I have completed the connection stage. I am using
elp is one of the most overlooked aspects of Windows development. Ask yourself this: for the last application that you finished and rolled out, how
he Resource Description Framework (RDF) and Web Ontology Language (OWL) are important technologies driving development on the road to the semantic web. The former is
First introduced in Oracle 9i, ANYDATA is a “self-describing data instance type” which means it not only holds the value, but it also holds its
When you’re working with JDBC, you can load more than one JDBC driver in memory. To find out how many drivers are in memory, along
Use this Boolean function to determine whether a URL is valid: public static bool checkUrl(string url) { bool rt = false; if (url.StartsWith(“www.”)) { url
n important principal of software design is that of “least privilege.” Basically, in any given layer of a program, you should grant only minimal access
MS messaging is one of the most popular means of communication means in this new digital age. While SMS is best suited for asynchronous communications,
uppose you and your swashbuckling buccaneer friends attack a Spanish galleon. When the smoke clears you find that you have emerged victorious but now you
You may need to use ORDER to force sequence numbers to be output in the order of request when you’re using them for timestamping. Most
n a previous article I showed you how to leverage Semantic Web technology to create a relatively sophisticated sommelier application that recommended wines based on
Before using savepoints in your application, you need to be sure that your RDBMS supports this facility. To do this, call the DatabaseMetaData.supportsSavepoints method, like
To save a URL as an MHT file (Microsoft “Multipurpose Internet Mail Extension HTML”?a Web Archive File), reference the Microsoft ActiveX Data Objects 2.7 and