Tip Bank

Question: I have a form that uses one data source and one query component. The data set of the data source is the query. Depending on the process, I assign

Question: How can I add a new event to an existing component (for example, OnScroll to a TTreeView) without building a new ComponentClass? Answer: You can replace existing event handlers

Question: I tried your procedure for placing my application on the system tray and it works fine. My problem is that it opens the form1 when the application is executed,

Implement a low-tech trace of your application by writing a message whenever your code enters and exits a subroutine. This can help you locate elusive bugs, because you can turn

This function returns week identifier information, such as Week Beginning/Ending date, and makes it more generic to return a date of any previous or following weekday. You can use this

To make certain that you declared your variables, place Option Explicit in your Declarations section. Using a mixture of upper and lower case in variable names, you can easily verify

Question: I have an application with a lot of business logic in nonvisual objects that I’d like to deploy as DLLs callable as standard windows DLLs from applications written in

Question: I need to use the BDE in a Windows 3.11 environment. My Delphi 1 system does not include BDEINST material, although the help files refer to it. How can

Question: How many DCOM connections can I have on a Windows NT Workstation? (Does it have a limit of 10, like in shares?) How is performance affected when 20 users