Tip Bank

Users may unexpectedly quit your application by clicking the closemenu in the control box or by clicking the close button underWindows 95. Add a procedure to the QueryUnload event on

This technique easily helps you avoid an Object not Set error, and savestime by not sending unnecessary queries: Sub Form1_Load () Dim db As database Dim ds As snapshot Dim

When you want your bound controls to be updated in reaction toa user click in a list box or combobox, add this code to the click-event(or double-click event) of the

Here’s how to create an etched or disabled icon using an icon editor:1. Change all filler color to light gray. 2. Change the outline to dark gray (usually from black).

Most developers know about VB4’s Conditional Compilation feature, where you can declare WindowsAPIs for 16-bit and 32-bit operating systems: #If Win#32 then ‘If running in 32-bit OS Declare SomeApi….#Else ‘If

When users are comfortable using the Enter key to proceed to the nextfield, you can allow them to continue their old habits. You need very littlecoding to accomplish this. Set

I ran across an interesting problem trying to install VB4 EnterpriseEdition in the Windows 3.1 environment. The new version of VBuses the Registry database, which in Win 3.1 is limited

Most things in VB4, including the VBA and VB engines, are OLEobjects. In some cases, objects can expose properties or methodswith the same name as in another object. Theoretically, the

There are many times when you may not want to allow more than one instanceof your application to be launched. In such cases, your program needs todetermine if an instance