March 18, 1999

Open Database Error

Question: I am updating an application that was developed to make an executable test version. However, the live database is opened, not a test database. I have made a test

Different Versions of Delphi and the BDE

Question: Is it possible to have two different versions of the Borland Database Engine (BDE) installed on the same machine? I’ve been developing in Delphi 3, recently went to Delphi

Type-Declaration Characters

Question: I’m having problems passing variables to an API function. I always receive a Type mismatch error. I reproduced the situation in Visual Basic and found that if I used

Refreshing the Desktop

Question: How do I refresh the desktop after I draw on it? Answer: Simple: call the Invalidate method for your form, and the window will refresh.

Descendants of TTreeNode Not Compatible

Question: I am having troubles with the TTreeView component and adding custom derivations of TTreeNodes to it. I want to define a new type of TTreeNode with a lot of

Load a Text File Into a Memo

Question: How do I read a file on the A: drive into my program and then display the contents into an edit box? Answer: I’m not sure you’d want to

Drop Word Documents Into FrontPage 98

If you have a Microsoft Word document that you want to insert into an HTML page in FrontPage 98, you don’t have to open Word to convert to HTML. With

Writing an Event Producer

An event producer is also known as the “source” of the event. Java does not define a base class or an interface for the event producer. However, the Listener design