Author: Jim T1392
This is a continuation of my posts on DataSnap server method parameters and return types. This post is about TStream and TDBXStreamValue. The sample client and server projects that go with this post can be downloaded here: http://cc.embarcadero.com/item/26854
See my earlier posts on “Basic” and “Basic DBXValue” types. I’ve yet…
Author: Jim T1392
Delphi 2009 introduced support for DataSnap server methods. If you are not familiar with this feature, here are two articles that describe server methods: DataSnap 2009 Overview , Getting Started with Delphi DataSnap 2009.
DataSnap server methods support a…
Author: Craig Stuntz
The error in the title comes from InterBase. Actually, the full error is:
[DataDirect][ODBC InterBase driver][InterBase]Dynamic SQL Error, SQL error code = -804, SQLDA missing or incorrect version, or incorrect number/type of variables.
I’ve seen…
Author: Pawe Gowacki
Do you remember that Delphi 6 was the first IDE in the market with Web Services support? This trend continues and Delphi 2009 supports building web service servers and clients:-) In this post I’m going to describe all steps neccessary to build simple web service server and client applications in Delphi 2009.
Building “Simple Calculator” web service…
Author: Aaron Rosenberg
How would you approach creating a game with Delphi?
I keep playing with Delphi Prism and recently downloaded XNA Game Studio 3.0. It installs very nicely into Delphi Prism. I wonder what is the most commonly used software for creating games that will…
Author: Barry K21557
[This blog post is by Allen Bauer, but during the blog engine migration was attributed to the wrong author.]
Solving problems can be fun and challenging. What is really challenging is solving a problem using only the tools at hand. During the development…
Author: Craig Stuntz
For the past couple of days I’ve been working on an experimental IntraWeb (a.k.a., “VCL for the Web”) project. Since I typically generate user interfaces dynamically, I wanted to see how that worked with IntraWeb. On the surface, it’s fairly similar to the regular VCL, but there are some important differences.
Rule number one is that all components you create…
Author: Craig Stuntz
The procedure for installing ActiveX controls on the Delphi/RAD Studio 2007 component palette is apparently confusing to some users of older versions of Delphi. So here’s a simple example. In this example, I’m installing the type libraries…
Author: Germán Estévez
Why do we write applications? One answer could be “for fun”, but not always we are in such a comfortable situation of doing something without a real (business) reason. This is where “Creating Value from Programming” comes…
Author: Embarcadero USA
Delphi supports this type of forms by providing the FormStyle property for the TForm class. All you have to
do is to set this property to fsStayOnTop. So why did I write this article? Well, there are a few
things to consider:
Using fsStayOnTop causes flickering of the form, because it recreates the window handle.
If you have a Stay-On-Top-Form (ok, we’ll call…
