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Question: I am new to VB and must learn it by yesterday! I am working with text strings and must figure out how to pull words from a line by
Question: Do you know an algorithm that will give me the elapsed time froma beginning and end date/times (day:hh:mm:ss)? Answer: The DateDiff function, included with VB 3 and 4, will
Question: How do I get VB to edit the registry inruntime? Answer: The easiest way, assuming you’re in VB 4.0 and using Win95, is to use the GetSetting and SaveSetting
Question: When you read a string from a character field in a snapshot/dynaset you can append a pair of double quotes to protect yourself from “Type mismatch” errors, if the
Question: How do I delete a control AND the corresponding code? Answer: When a control is deleted, the code is listed in the (general) section in the Procedures drop-down list
Question: How would you detect the Retraction of a Combo Box Dropdown List in VB 4.0? I have asolution which claims to work under VB 3.0 andVB 2.0 using the
Question: Is there a way to easily copy all theevent code for a control from one form to another or even within thesame form. As an example I have a
Question: Is it possible to store a MS-DOS pathname in avariable, and run the program at that path withthe shell command? Answer: The Shell command can be given a string
Question: I’m trying to create a DBCombo function on a form which operates similar to MS Access’s ComboBox. As the user types in an entry, character by character, the DBCombo’s
Question: I would like to create a module that has no visual objects. It just prints to a MS-DOS window and then exits. Is this possible? Answer: Unfortunately, the only
Question: I am able to use the API call ExtractIcon to get an icon from a .VBX, .EXE, or .DLL. I can put the icon in a Picture Control, but
Question: At runtime, how do I change the query that I’m using with my data controls to be one a user selected? I don’t want to keep the same name
Question: How do you access a Public Property in a class module from an in-project module? For example:In a new project create one class module; “Class1” and one bas module;
Question: I know that there is a fix needed in order to use VB 3.0 and Microsoft Access 2.0. I have downloaded the file COMLYR.EXE and have run it. I
Question: How can I have a combo box “combo1” execute another combo boxs “combo2” procedure click ? Answer: Doing this action this way can have some messy side effects. I
Question: I am trying to make a financial calculator that will compute Future Value,but I don’t know how to write code for compounded interest. Answer: I believe you want to
Question: What’s the meaning of “event oriented programing?” Answer: Basically, it means that you program everything as a response to an event, instead of a topdown program where the ordering
Question: Our firm would like to integrate our Configuration Management tool into VB. I understand some vendors outside of Microsoft have suceeded in adding links to their product via a
Question: I’ve created a small utility. The exe is only 27k, but vb40032.dll, mfc40.dll (for a custom control) and others make the setup zip over 1 meg. Can I leave
Question: I have an old DOS-Clipper app that I plan to upgrade to VB. The old app handles insurance claims. To enter a new claim, 4 screens of data are
Question: I try to align numeric numbers in columns (to be right-justified). Hwvr, some of the numbers don’t right-justify very well. In my example, most of these numbers hve 2
Question: If I apply a picture to a Form’s Picture property, is there a way to clear it out at design time? (Rather than by using LoadPicture “” at run
Question: I want to disable a text box without having its text dimmed. I know of one way, which is put the controlinto a picture box and disable the picture
Question: What do I have to do to make my application respond to a file-kickstart (double-click)in file-manager? When I select and associate a specific file type with my application it
Question: I am currently experimenting with VB 3.0. In version 1.0 common dialogs provided the information about which button was used to exit from the dialog. I want to know
Question: Is there an API function that will highlight a word in a textbox the way the find command does without using the clipboard? Answer: Set the SelStart property of
Question: How do I put a status bar at the bottom of an MDI parent form like in Word for Windows.Whenever I place a 3d panel on the form it
Question: How can I play WAV or MID files through Visual Basic? Answer: Use the MSMCI.VBX, provided with VB/Win Pro 3.0. You can also declare and call the MM-functions manually:Declare
Question: How do you pause after dialing a phone number ? I want to be able to dial a pager number and then pause 3 -5 seconds before sending the
Question: I am using VB4.0 Pro (16 bit) in WFWG and need to read entire directory of files, one after the other, without using the common dialog control. Answer: Look
ith the proliferation of mobile devices such as BlackBerrys, Tablet PCs, and regular laptops, some critical applications need to store a cache of their data
QL has been evolving?slowly?for over three decades, (see Wikipedia for a historical summary). While SQL in the hands of an expert is quite powerful, it’s
he dilemma is common. Your web site starts out by design with a few pages of content—a front page, a products page, perhaps something about
ecently, I was consulting on a Windows Mobile project where the client asked if it is possible to send images using SMS messaging. After searching
oogle Earth (GE) provides a powerful 3D environment that you can use to provision your application with rich interactive 3D features. You can render points,
Many of us write common graphics code in the Form’s Paint event because the Paint Event handler provides access to the Graphics object, and also
A “component” in Hibernate is an object persisted as a value, not an entity reference. For example, suppose you have a Car class, like this:
We all know about the function overloading feature in C++, which allows us to have the same name given for a function with different signatures
y default, the .NET Framework includes a number of classes that convey information about exceptions generated by the application. Whenever an error occurs in a
lain old Java object (POJO)-based architectures and lighter-weight development models using tools such as Spring and Hibernate have gained considerable acceptance in the enterprise Java
icrosoft Expression Blend is a new full-featured design tool for creating highly-interactive and sophisticated Windows application user interfaces using Windows Presentation Foundation (WPF). With Expression