OnModalBegin or DelphiVCL.Application.ModalBegin occurs when a modal form is opened.
Write an OnModalBegin event handler to perform special processing when a modal form is opened.
How to examine the properties, methods, and built-in properties of the DelphiVCL.Application.OnModalBegin?
Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.Application.OnModalBegin…
This Is How Python's Self Works In Windows Development
April 1, 2022
Whenever object-oriented programming is done in Python, then we will often come across the self method as their first parameter. This article explains the main concept of self method in Python for Windows development.
self represents the instance of the class in Python.
This Is A List of All Colors In Delphi VCL Graphic Unit
March 31, 2022
In Delphi VCL, TColor is used to specify the color of a control. It only works for development on Windows.
TColor is used to specify the color of a Windows-only control. It is used by the Color property of many components and by many other properties that specify color…
This Is How BringToFront Works In Windows App Development
March 30, 2022
For Windows app development the BringToFront method or DelphiVCL.Application.BringToFront sets the last active window as the topmost window on the desktop above all other applications.
Use BringToFront to find the window owned by the MainForm that was last active and bring it to the foreground. BringToFront also tests to see if the window is visible and enabled before making it the topmost…
What is the ClassParent Method in Windows App Development?
March 29, 2022
The ClassParent method or DelphiVCL.Application.ClassParent is used during Windows app development to return the type of the immediate ancestor of a class.
ClassParent returns the name of the parent class for an object instance or class reference. For TObject, ClassParent…
What Is The Role Of DelphiVCL.Application.Components?
March 28, 2022
The Components property or DelphiVCL.Application.Components in Windows app development is used to list all components owned by the component. Of then this is used to programmatically iterate through all the components on a form or panel in order to update them in some…
What Is The DelphiVCL Application.CleanupInstance Method?
March 25, 2022
The DelphiVCL CleanupInstance method or DelphiVCL.Application.CleanupInstance is used to perform finalization on long strings, variants, and interface variables within a class.
Do not call CleanupInstance directly. CleanupInstance is called automatically when the object instance is destroyed.
CleanupInstance releases all long strings and variants. It sets long strings to empty and variants…
How To Make Python Automatically Detect App Vulnerabilities
March 24, 2022
Before you download an app (not just one written with a Python IDE) or run a file such as a CMD script, it is important to know that the file itself is secured and safe. We do not want any harmful viruses to ruin our computer or hack all our private information. To prevent…
What You Need To Know About The Python GUI OnMinimize Event
March 23, 2022
OnMinimize or DelphiVCL.Application.OnMinimize occurs when a Python GUI DelphiVCL application is minimized.
Write an OnMinimize event handler to perform special processing when the application is minimized. The application is minimized either because the user minimizes…
Easily Automate, Protect, And Simplify Your Python GUI Apps
March 22, 2022
One of the steps toward professional deployment of your Python GUI apps is the way you deploy and maintain them. This video from PyCon in Pittsburgh goes into depth about the how and why containers can help lift your Python GUI app’s perceived professionalism and reliability.
Due to the global pandemic, the conference was done digitally. Now, you may be able to access all the talks…