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The Latest

PlayAVIAudioOFF – Play an AVI file without the audio track

Private Declare Function mciSendString Lib “winmm” Alias “mciSendStringA” _ (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _ ByVal uReturnLength As Long, ByVal hwndCallback As Long) As LongPrivate Declare Function

GetMCIErrorString – Get a description of an MCI error

Private Declare Function mciGetErrorString Lib “winmm” Alias _ “mciGetErrorStringA” (ByVal dwError As Long, ByVal lpstrBuffer As String, _ ByVal uLength As Long) As Long’ Get the description of a MCI

Change the DataSource at runtime

Visual Basic 6 is the first VB version that lets you programmatically change the DataSource property at runtime, for example to point to another ADO Data control or another ADO

Create a System Tray icon

Sometimes is useful to add an icon in the Window taskbar’s status area (a.k.a. System Tray), to gain a better interaction between the user and your application. The only API

PlayWAV – Play a WAV file

Const SND_ASYNC = &H1Private Declare Function PlaySound Lib “winmm.dll” Alias “PlaySoundA” (ByVal _ lpszName As String, ByVal hModule As Long, ByVal dwFlags As Long) As Long’ Play a WAV file.”

PlayAVIPictureBox – Play an AVI file in a PictureBox

Const WS_CHILD = &H40000000Private Declare Function mciSendString Lib “winmm” Alias “mciSendStringA” _ (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _ ByVal uReturnLength As Long, ByVal hwndCallback As Long) As

See Who Is Blocking Your SQL Server

If you have ever monitored any blocking problems in SQL Server, you know that sp_who only shows you the spid (SQL Server’s internal Process ID) that is causing the blocking

Embed XSL in Behaviors

Browsers Targeted: Internet Explorer 5 Behaviors let you create specific functionality within custom HTML tags. XSL (Extensible Stylesheet Language) lets you transform a block of XML into some form of

Grid Object Methods and Properties

Question: I have opened a table as a grid object. I want to go to a desired column (say 34) and the table has 62 fields. Currently only columns 1

Popping Up a Form

Question: I have a form for which I do not want to give the user navigation privileges. I want the form to pop up at the record specified by a

Insert XML Into Another XML Document

Question: Is there an easy and efficient way to insert an XML document into another XML template? The insertion point can be before, between, or after specified nodes. Answer: Sure.

Deleting Datawindow Columns

Question: I am using a data store that has 13 columns with data in them. I want to destroy five of them. I know that there is a PB command

Passing a Variable to a Compiled Program

Question: I am calling an .FXP from a batch file, but would like to pass a variable. Am I able to do this? How would FoxPro recognize it? Answer: You

Resizing FoxPro’s Design Window

Question: How do I enlarge FoxPro’s design window? Answer: Here’s how: From the menu, choose Tools | Options. Click on the Forms page of the pageframe. You will see a

Deleting a Record

Question: I am currently building a VB application that needs to delete records in a .dbf field. The connection to the database is established through ADO by using a DSN.

Use Style Grouping for Leaner HTML

The HTML Style syntax lets you apply the same style attributes to a group of tags at the same time. You don’t need to define each tag’s styles separately. The

How to Pop Up Message Boxes with ASP Code

It’s helpful during debugging to be able to print out values as the page is executing. Although this is generally done using Response.Write statements, it can also be done with

Take Care When Declaring Public Variables in VB

You can declare a variable as a public variable to make it available to all the procedures throughout the entire module. However, this not only makes the variable available to

Using XML Documents as a Database

Question: Would it be practical to use an XML document, or more accurately documents, as a database, and if so, how would you recommend doing this? I would use XML,

Dual Procedure IDS

When using VB to create a new ActiveX control with a Caption or Text property, you can set the corresponding Procedure ID to cause the Property Browser to update the

Use GetInputState in Loops

Some developers suggest putting DoEvents in loops to keep your application responsive. This is never a good idea. If the loop is short, you don

Avoid Line Input Null Problems

Sometimes you have to move information from a flat file (mainframe or ASCII text file) to a database. Usually, this flat file is a set of records, and the delimiter

Generate GUIDs With One API Call

I read a great advanced tip on how to create a GUID in “Generate Unique String IDs” [“101 Tech Tips for VB Developers,” Supplement to VBPJ, August 1999]. However, you