For development on Windows OnGetMainFormHandle or DelphiVCL.Application.OnGetMainFormHandle is the event triggered when reading the value of the MainFormHandle property.
Let’s take a look at all of DelphiVCL.Application.OnGetMainFormHandle properties and methods:
import DelphiVCL
dir(DelphiVCL.Application.OnGetMainFormHandle)
See the responses in our Windows command…
What does the OnMessage Event in DelphiVCL.Application do?
January 24, 2022
In Windows application development the OnMessage or DelphiVCL.Application.OnMessage occurs when the application receives a message from either the Windows operating system or another application.
How to use the DelphiVCL.Application.OnMessage event properly?
We use…
Every programmer, whether a beginner or an expert, should know the importance of debugging their code. Generally, debugging is the process of detecting and removing existing and potential bugs in a software code. We certainly do not want to encounter errors that often leads…
Whether you write a C++ app or a Python app you are using two quite different programming languages. They are both considered to be the most popular and most used programming languages of all time. When comparing the two programming languages, most people often describe C++ as a difficult but fast language while Python is often characterized by its simplicity yet slow performance. Interestingly…
During windows development, or in fact any similar apps, use the FreeInstance method or DelphiVCL.Application.FreeInstance to deallocate memory allocated by a previous call to the NewInstance method.
All destructors call FreeInstance automatically to deallocate memory…
In windows app development, the Observers or DelphiVCL.Application.Observers property indicates the TObservers object added to the TComponent.
Observers is a read-only property that returns the TObservers added to the TComponent, in order to use the notifications provided…
Are you looking for an easy and powerful way to collect MASSIVE amounts of tweets for your research and build a nice GUI for them? You can easily collect thousands or even millions of tweets by combining snscrape, tweepy, and Python4Delphi library, inside Delphi and C++Builder.
This post will guide you on how to run the snscrape and tweepy library and use Python for Windows app development so…
I guess we can all agree that security and privacy are both important factors that we must highly consider before dealing with any type of application. Some IDE software helps immensely, of course, but unfortunately, many companies are taking advantage of this where…
So, using your ide software you were able to build a web application and you want your project to be completely functional, running, and visible to everyone. Your web application must live somewhere other than your own desktop or laptop and to do so, you must deploy your…
What is the DelphiVCL.Application.OnHint event?
The OnHint or DelphiVCL.Application.OnHint occurs when the mouse pointer moves over a control or menu item that can display a Help Hint. This mainly applies to Windows app development.
How to use the DelphiVCL.Application.OnHint event properly?
Write an OnHint event handler to perform special processing when the mouse pauses over a control…
