In apps development, there many times when you have a large dataset filled with records. And you want to create a list of the items used in the records, without repeating. Like, for example, making a list of countries visited by the people in your dataset.
In this tutorial, we will show a good way to do that.
Continue reading “Create an indexed list from dataset in Delphi”
The TPath class from System.IOUtils unit give you the ability to access system and application specific paths and folders, like the user folders (My documents, My music, My pictures, …).
Continue reading “Using platform-specific paths in Delphi”
Delphi has many system routines that enable you to handle and work on files and storage contents. Also, these routines can be used on all supported platforms, provided by the System unit and sub-units.
Continue reading “Comparing sizes of files in Delphi”
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 :
Continue reading “Using SaveState service in Delphi apps”
On Microsoft Windows, the Registry represent the main component to store, retrieve and customize configurations and settings.
Continue reading “Using Windows Registry in Delphi VCL and 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 :
Continue reading “Using Clipboard in Delphi FMX apps”