State property is used as an indicator for which items are selected or checked.
For example, for each member of the Items array, we use State to determine whether the checkbox is selected (cbChecked), cleared (cbUnchecked), or dimmed (cbGrayed).
Note: cbGrayed corresponds to the indeterminate state.
State combines the information provided by the Boolean Checked property and the…
Do you want to perform Natural Language Processing tasks like replacing or extracting words in a text, in your GUI app? This post will get you to understand how to use FlashText Python Library using Python4Delphi (P4D) in the Delphi/C++ Builder application and perform some…
Python offers various built-in algorithms for cryptographic tasks. On Unix systems, the crypt module may also be available. This post will demonstrate hashlib: One of the built-in algorithms for cryptographic tasks, used for secure hashes and message digests using Python and…
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 is for you.
We will review the two examples of the most powerful Python Desktop App and GUI Frameworks: Python For…
DelphiVCL.Component is the common ancestor of all component classes.
Component is the base class for all components. Components are persistent objects that have the following capabilities:
IDE integration: The ability to appear on an IDE palette and be…
The Destroying method or DelphiVCL.Application.Destroying is used to indicate that the component and its owned components are about to be destroyed.
Destroying sets the csDestroying flag in the ComponentState property. It then calls the Destroying method for each…
The DestroyComponents method or DelphiVCL.Application.DestroyComponents is used to destroy all owned components.
DestroyComponents iterates through the components owned by the component, removing each from the list of owned components and destroying it.
It is not necessary to call DestroyComponents directly. DestroyComponents is automatically called when the component is…
Learn Python With The Hidden Power of the Python Runtime by Elizaveta Shashkova (PyCon 2020) Videos
June 18, 2021
Python remains to be one of the widely used programming languages today. It is often praised for its overall simplicity and beauty that all aspiring programmers can easily learn and manage. Interestingly, in this video shared by Elizaveta Shashkova, we will learn that every…
Use the DefaultHandler method or DelphiVCL.Application.DefaultHandler to provide the interface for a method that processes message records.
DefaultHandler is called by Dispatch when it cannot find a method for a particular message. DefaultHandler provides message…
Specifies the Default Font used by the Application using DelphiVCL.Application.DefaultFont
June 18, 2021
Use the DefaultFont property or DelphiVCL.Application.DefaultFont to specify the default font used by the application.
DefaultFont specifies the default font used by the application. All newly created forms use DefaultFont if the ParentFont property is set to True. Changing DefaultFont later at run-time will trigger an update for all forms that use the parent font.
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