datamodule

Drawing on a DataModule in Delphi

I wonder how difficult it would be to be able to have a custom background or be able to draw on the datamodule canvas somehow so that the relationships of all the datasets can be nicely represented with arrows and stuff. Way back in Delphi 7 or so I seem to remember some sort of datamodule designer which has disappeared (I always found ...

How can I search a large XML data set?

I have a DataModule with XML and I need do a search... Unfortunately there are more than 300,000 records and I can't make a loop to check one-by-one. Is it possible to make a query without using a database? Is there another solution? ...

Call a TDataModule method in TThread.Execute

Hello people, In general, is it possible in a TThread.Execute procedure to call a TDataModule method, in which there is no visual activity involved? Thanks to all, Massimo. ...

Why would a module be unsavable until another module is loaded?

Most of the units I work on rely on a Data Module. One of the most annoying things I come accross is an error message telling me Module X references another module and cannot be saved until Module Y is loaded. Now, I'm sure there is a very good reason why CheckNoFixups raises this error while trying to WriteRootStream, and fails t...

Use a Datamodule in a Service Application

I wrote my Win32 App to test and debug. I've created a datamodule with all functionality needed to run the TCP sockets and IBDatabase components. After successfully testing the Datamodule in the Win32 application environment I am trying to hook the Datamodule into a Service Application template that I created, I can get nowhere in getti...