Tip Bank

DevX

Searching For 16-Bit DLLs in Windows 95

Windows 95 uses an extra step when searching for 16-bit DLLs. A newregistry key, “Known16DLLs,” in Windows 95 under \HKEY_LOCAL_MACHINESystemCurrentControlSetCon-trolSessionManagerfunctions in a similar way to KnownDLLs in Windows NT. Known16DLLs

DevX

Test for Leap Year

The tip “Leap Year Rules” [“101 Hot Tech Tips for VB Developers,” Supplement to the August 1996 issue of VBPJ, page 22] illustrated how to easily determine if any given

DevX

Shortcut for 16/32-bit Development

Here is a tip that should make life simpler for all VB programmers doing mixed 16/32-bit development in VB4 under Windows 95. I have three additional items in my project

DevX

Regarding “Validating Numeric Input”

The tip you published on page 70 of the September 1996 issue of VBPJ on “Validating Numeric Input” was a good tip. However, the function failed to take into account

DevX

Table Checker

I use a housekeeping routine to check the state of tables during system initialization. The routine tests whether the table is in a collection, whether the table has data, and

DevX

Placing A Combo Box Onto A Toolbar

To put a combo box on a toolbar, create a place holder and positionthe combo box above the place holder in the z-order. You can’t place thecombo box inside the

DevX

Print a Single Sub or Function

Need a fast way to print only one sub or function in VB3 that also takes care of the problem some printers have in printing the last page?Create a small

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Handling Erros In The Form_Load Routine

In VB3, the PostMessage API can cancel an error during Form_Load. Theform unloads if you send a WM_CLOSE message to the loaded window in theerror handler of the Form_Load routine.

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Support The Full ImageList API In VB4

To draw a selected transparent image in VB4 from an Imagelist control,as you do in C++, follow these steps. The ImageList_ API functions have many features that weren’t passedthrough in