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Question: How do I determine the Windows directory? Answer: The API call to use is “GetWindowsDirectory”. The Declare statement is listed in the the Windows 3.1 API help and the
Question: Could you (easily) please tell me what .FRX files are in VB?I’d be forever grateful. Answer: FRX Files are displayed in Windows 95 as Visual Basic Form Stash Files.
Question: I added records to a list box using the datacontrol. Now I would like to use the list1_dblclick procedure to access the recorddblclicked and use it. I know there
Question: I semi-understand InStr, however, lets say I am trying to parse e-mail addresses and test for “@”. How do I find my way to the beginning and end of
Question: How can I make my program totally exit Windows? When the user hits “Quit Windows”, I want Windows to exit. Answer: Use the ExitWindows API function. The declare statement
Question: How do I delete a record with the data I’ve selectedin a DBListBox (VB4.0). If I use the e.g. Findfirst command I get the message:“The action was cancelled by
Question: I am using the data control through the Standard Version of Visual Basic 4.0. The data control is linked to a table in our database and when I try
Question: How can I make it so that a form will stay on top until the user presses a button? For example, an error message pops up, the user can’t
Question: I want to make a list-combo visible but, I can’t get using API function :SendDlgItemMessage.What is “hDlg” in the following declaration?Declare function SendDlgItemMessage Lib “User” (Byval hDlg as Integer,
Question: How do I save an OLE object into an Access database without using a data control and the OLE OCX? Answer: You should look at the AppendChunk and GetChunk
Question: I having trouble using strings and text. I am writing a document creation system and all the text in between the “” char. would be red. All other text
Question: I’ve got to control 3 stepper motors from the printer port. How can I activate pins on the printer port using Visual basic. For Example I want to activate
Question: Can you show me how to open COM1: and dial a phone number using tone dialing? Answer: Try this. This is out of the VB Frequently Asked Questions file.PhoneNumber$
Question: Is it possible to pass a control array to a function? I have tried for days unsuccessfully, but nowhere in the VB ocumentation can I find that this is
Question: Single quotes are messing up my queries. What can I do to fix the following problem?Dim Criteria as StringCriteria=”Name LIKE ‘” & SearchName & “‘” ‘SearchName=”Sam O’Brien”‘At this Point
Question: How do I pass a form as an argument to a function or procedure? I have tried passing the the form name directly and the form name as a
Question: How do I create the VB equivalent of the command belowDIR C: /S /B >MYFILE.LSTI need this routine for a program that keeps track of installedand removed files. Answer:
Question: I just wrote my first VB4 program, the “Hello World” program out of the SAMS book, “Learn VB4 in 21 Days”. My question is this: I compiled my program
Question: Id like to no how you address text to the DbGrid1 custom control. For example the Grid control addressesby How would I do this with the DbGrid1 custom control
Question: What steps do I take to open/ retrieve a particular help topic (usingContext string/ID) of a Help File? Answer: This code, using the CommonDialog control, could be put behind
Question: I want to add a new item to the control box menu(or system menu). I add a new item using API’s likeAppendMenu and InsertMenu and both work fine, but
Question: I can’t seem to figure out how to place a “&” sign in a text field or in a label’s caption. Answer: Try putting two ampersands next to each
Question: I have two fields on the screen that I use to enter a date range. I want to check the entry on the lost focus with IsDate, and in
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
ome of the most interesting features of modern web sites are based on Geographical Information System (GIS) technologies. GIS techniques essentially give you a way
reating reports is one of the most common things developers are asked to do when building a typical business application. Businesses want to know how
rom 1981 through 1986, I taught high school. I was fresh out of college (OK, a semester of engineering grad school which “didn’t take”), didn’t
icrosoft has officially entered the space of rich interactive browser development with a new product called Silverlight. To better understand what Silverlight is you simply
s a kid/teen, I wrote short stories and read tons of magazines: Boy’s Life, Baseball Digest, Twilight Zone, and MAD Magazine. My parents knew how
rom basic, static HTML pages to totally data-driven and data-centric Web applications, the demands on a Web developer are much more complex and demanding than
orking with value types was sometimes awkward in .NET 1.x, because they could cause serious problems in applications that retrieved data from database tables containing
xplicit typecasting is considered are an abomination in object-oriented programming. However, prudery won’t change the fact that casts are still a widely-used feature in C++
I have always been fascinated by informational graphics. Mathematicians aside, most people find properly rendered information graphics easier to assimilate and quicker to understand than
here’s something about sitting down to write a Brew application in C that makes me go back to basics: the very basics, like writing my
There are many ways to start a new web application in Tomcat, but this tip is for the developers who want to do so by
The System.Windows.Form class’s UseWaitCursor property sets the window’s cursor to an hourglass. It is a Boolean property. The Application class also contains a UseWaitCursor property,