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DevX - Software Development Resource

Formatting a Disk

Question: How do I issue a disk format command from myVB code? Do I simply shell to DOS? Answer: That’s what I would recommend. Format is a .COM file, so

DevX - Software Development Resource

Adding Leading Zeroes

Question: A control record value for next_order_num will contain the value “00009998” when you first get the control record file. Each time you write the next_order_num field back into the

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Type Declarations

Question: I define a user-defined type as follow..Type Complex Re As Double Im As DoubleEnd TypeI created a function like this…Function CompAdd( a As Complex, b As Complex ) As

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Dynamically Generating Variable Names

Question: I have a number of objects, say shapes, which I have named s1, s2 , s3, s4 , s5.I would like to refer to the shapes fillcolor property witha

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One Large Program vs. Several Small Programs

Question: We have 4 good size programs, and we are considering consolidated theminto 1 single program. Combined, these 4 programs would have about 60 forms and a total of 500

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Buffer Return Problems

Question: I am feeling very sick and was wondering if you could help me. I am trying to access the Lan Manager 2.1 API and am having difficulty get return

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Saving Forms as Text vs. Binary

Question: This may seem a stupid question, but I cannot figure or find it out anywhere… I have been having trouble with the setup wizard saying that my forms have

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Using the WITH Operator

Question: This code is in pascal how can i implement it in VB ? with treasuremap do move Answer: VB 3 does not support the With operator. (version 4 does,

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Searching for Apostrophes

Question: When using VB4 and the Jet Engine with Access 2.0, I do I execute an SQL query that searches for a string that contains the apostrophe ? Answer: If

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Opening and Reading a File

Question: Can you please send me the code to open a file using the common dialog box – not just the code to open the dialog box but to actually

DevX - Software Development Resource

Moving Controls on Screen

Question: I was wondering how you can move pictures and controls from one end of a screen (that part I know) and then have it go back or down? Answer:

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Displaying Help

Question: How do you use the Common Dialog Box help. When I set all of the parameters and tried it, it didn’t display my helpfile. Answer: Did you set the

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Selecting File from File List Box

Question: I put a drive box, a directory list box, and a file list box on the form, with the intention of being able to select an *.ico file from

DevX - Software Development Resource

Entering Large Amounts of Text

Question: I have a problem with writing text in Visual Basic. I would like to enter several hundred pages of text into my program, Any ideas of how to do

DevX - Software Development Resource

Opening MAK Files with VB 4.0

Question: In working with VB4 I find that if I double click on a project file (.mak or .vbj) the system always starts upVB4 in 16bit mode. I am wondering

DevX - Software Development Resource

Updating Bound Controls

Question: In my program from a combo list one can select an item (that happens to be a table in an MDB file)so that the DATA1.recordsource matches the item selected

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Dynamic Runtime Creation

Question: Is it possible to add elements to a control array of an object (ex. SSPanel) in a module that is notthe form’s module. My goal is to be able

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Closing DOS Window When Completed

Question: I have a real problem that in windows 95 when a dos shell is finished it does not close. I use these dos shells when interfacing to old equipment

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Creating Win95 Explorer-like Dialogs

Question: Are there common dialogs in Win95 like file open/save? I wish to put in my apps the ability to use long filenames which Win95 supports. Answer: Here is the

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Putting Controls on a TabStrip

Question: The number of Tabs are determined at run time. Control Array of text boxes are established on Tab 0 at design time. Each tab is to contain the same

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Modifying Startup Project

Question: Is there a way to make VB skip that annoying new project it displays on startup. I work on existing projects 80%+ of the time. It would be even

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Searching on Numerical Fields

Question: When using the FindFirst method I seem to be able to locate only records which are defined as strings using a variable in the search pattern. When I am

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Disappearing Controls

Question: At apparently random times, some controls disappear frommy form. Not all of the controls disappear. Minimizingand then restoring the form, as well as clicking onthe ‘invisible’ controls, brings them

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Creating Dynamic SQL

Question: I’m trying to develop a dynamic query handler within VB that will prompt users for parameters as set up in the parameter list in MS Access (v1.1). I wish

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Storing Pictures in a DLL

Question: I found a vbx which allows me to place icons or bitmapson a command button. How can I store these images in onefile and read them in like an

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Monitoring Port

Question: Do you know if there is a Win API or Winsock call that will tell me when I’ve connected/disconnected to myinternet provider. Answer: What you might want to do

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Deleting a Directory Tree

Question: I want to delete and entire directory tree. I do not knowhow big the directory is, how many sub-dirs that it has, etc.I am not using a form and

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VB4 GetPrivateProfileString Problems

Question: I am trying to use GetPrivateProfileString to access INI entries in a INI file using Visual Basic 4.0. Whenever I try to run my program it produces the error

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Using Me Object

Question: What is the different between using Me and FormActualName when accessing a form’s property or to pass the FRM to a subprogram.Is it ok to use ME all the

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Accessing Financial Function Library

Question: I’m looking for help on using the VB 3.0 functions IRR, MIRR and NPV. When I try to use any of them I get Reference to undefined function or