I’m developing a database program that deals with many auxiliary files at same time. Everyone codingdatabase programs must create some temporary files to produce an output from SQL or a
Windows 95 is a preemptive multitasking system. As a result of this,no single application monopolizes the entire CPU at any given time. Manyof the DoEvents() calls previously used in Windows
This routine allows you to put a fairly accurate time delay, veryuseful for I/O routines and nice, graphic-delayed drawing routinesin your code: Sub Delay (milliseconds As Integer)’ This Routine uses
Windows text boxes always work in insert mode and don’t provide anoverstrike mode. However, overstrike mode can easily be emulated as shownhere: Sub Text1_KeyPress (KeyAscii As Integer) If KeyAscii >=
One way to speed list-box loading is to eliminate the constant redrawingrequired while loading. You can do this by calling the LockWindowUpdateAPI. LockWindowUpdate accepts an HWND as a parameter to
VB4 introduces the use of double-byte characters. Most of this is transparentto the programmer and requires no special consideration. When calling APIfunctions or reading/writing to a file VB will handle
Most of the time, I wish to start VB and resume the last project I was working on, but I don’t like to littermy desktop with program icons for works
Most Windows API routines are functions and must be declared assuch, but in many cases we are not really interested in theirreturn value. The SendMessage function, for example, dependingon the
When you’re creating a database that simulates a client’s database forreporting purposes, errors such as “MSAccess Error: Buf Too Short”or “Error Detected by Database DLL” may occur if fields expectedby