Delphi – Page 4 – LecturePress

10 January 202116 July 2021

Using SaveState service in Delphi apps

In Delphi FMX, it is possible to save and retrieve data form the last state of your app.

This mean that, when your app is closed (on Windows and macOS) or moved to the background (on Android), its state’s data such as form’s properties, controls’s inputs and values can be stored to a temporar or permanent stream storage. Then, on the next form creation, these data are loaded and used again.

Let’s see how it can work through this quick tutorial :

26 December 202013 July 2021

Using Windows Registry in Delphi VCL and FMX apps

On Microsoft Windows, the Registry represent the main component to store, retrieve and customize configurations and settings.

13 October 202019 September 2021

Using Clipboard in Delphi FMX apps

In Delphi FMX multi-platforms apps, you can use the system clipboard (on Windows, Linux, MacOS, iOS and Android) to copy and paste data like text and images.

There is two options in Delphi FMX, you can use :

8 September 202019 March 2021

Using BLOB fields in Delphi datasets

Technically, BLOB fields are a special kind of fields in a dataset that can store a binary large object (BLOB) : raw binary data of arbitrary length. These data are in origin a picture or a file, transformed to Base64 code and stored into dataset’s records.

In Delphi (represented by TBlobField class), you can use this kind of fields in any dataset in both frameworks (VCL and FMX), to store and retrieve a picture or file in runtime.

3 September 20205 June 2021

Delphi 10.4.1 is released

Embarcadero has just released the new version 10.4.1 of Delphi.

9 August 202020 February 2021

Using FireDAC BatchMove in Delphi

TFDBatchMove is a an engine for moving data between different types of data sources and destinations.

Available for both frameworks (VCL and FMX), it support data mouvement from and to these types :