DelphiVCL.Control is the base class for all components that are visible at run time.
DelphiVCL.Control are visual components, meaning the user can see them and possibly interact with them at run time. All controls have properties, methods, and events that describe aspects of their appearance, such as the position of the control, the cursor or hint associated with the control, methods to…
DelphiVCL.Graphic or TGraphic is the abstract base class type for objects such as icons, bitmaps, and metafiles that can store and display visual images.
DelphiVCL.Graphic is an abstract class that cannot be instantiated. Descendant graphics objects override many of…
When developing GUI applications and you need to provide console I/O, you need to call FreeConsole after you end your console I/O code block.
Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.FreeConsole using dir()…
ActionList or TActionList maintains a list of actions that your application can take in response to something a user does, such as components and controls (e.g. menu items and buttons).
Use Action lists to centralize the response to user commands (actions). Action list components maintain a list of actions that are available to the client controls in an application. This lets you share…
In this tutorial, we will learn about how to do data visualizations using Delphi’s TChart or TeeChart.
TChart is the 100% Native Data-Aware Charting Component Library for Delphi and C++ Builder (v5 and later) and all RAD Studio versions.
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Powerful Python For Delphi VCL vs Python GUI Generator: PAGE
March 20, 2021
Are you an expert in desktop apps and GUI development who want to also work with Python because of its simplicity, flexible use, and growing demand in the market out there? Or are you a Python Developer at any level who wants to start a GUI development journey? This article…
The documentation for Delphi’s VCL is available on Embarcadero’s DocWiki. You will notice that on DocWiki, all the VCL components are prefixed with a T. This is a convention of the Delphi language, but the DelphiVCL4Python module removes the T prefix for a more Python-like experience (see and compare it with the outputs of this post).
Here are the lists of all the methods, events, and…
In this post, we will learn three different ways of formatting string in Python as well as which one you should use.
The old way
In the beginning of Python, there was only one way to format strings – by using %s. Let’s an example:
"Hello, %s" %s…
Learn About Demystifying Deep Learning for Data Scientists From Eric J. Ma In This PyCon 2020 Video
March 17, 2021
PyCon is an annual conference where the Python community is being gathered for one meaningful and educational event. Despite the global pandemic, the PyCon 2020 was still a huge success as the speakers managed to utilize the digital platform to deliver their educational and…
Learn Python With Tkinter Python GUI Tutorial For Beginners: Introduction to Tkinter Video
March 16, 2021
A graphical user interface is an application that has buttons, windows, and lots of other widgets that the user can use to interact with your application. Building a Graphical User interface application using the Python Programming language is not really as complex as it sounds. In fact, it is surprisingly easy and fun! In this video presented by Programming Knowledge, we will be introduced to…
