One of the key user interface paradigms when you develop Windows software is the ability for users to interact with objects on the screen with their mouse. Most often this means being able to click things but over time the concept of being able to drag – and drop – items has become a common capability. It enables users to be able to do things like reorder lists, add items to selections…
In this tutorial (which doesn’t just apply to Windows development) you will be learning how to only pad one side of a widget at a time instead of the default two sides. Whenever we pad widgets, we use pady and padx, but by default we put padding on two sides of the…
DelphiVCL is a powerful framework for creating excellent, modern, graphical user interfaces (GUIs) for your Python programs. DelphiVCL is independent of Delphi and does not require Delphi to be installed. However, you can make use of Delphi’s powerful IDE software and its…
There are various tools for writing, developing and running Python code, from interactive mode to full-featured IDE software such as PyScripter and the excellent RAD Studio. In this article I will give a complete overview introduction of the tools that I have used myself to write great Python apps over the years.
What is the simplest way to run Python code?
The quickest way to run Python…
When it comes to Graphical User Interface or GUI Programming in Python, Tkinter is a default toolkit or default library available for users, especially for beginners to build some robust small-scale applications in Python. While there are many other options available but…
We use the Value property to set or specify any actions or parameters in the DelphiVCL library while using the IDE software.
Here is the working example of Value with CanSelect parameter:
def grdTestSelectCell(Sender, Col, Row, CanSelect):
if Col == 2 and Row ==…
The Lines Property contains the individual lines of text in the memo control. This works for native Windows development.
We use Lines to manipulate text in a memo control on a line-by-line basis. Lines is a DelphiVCL.Strings or TStrings object, so the TStrings methods may be used for Lines to perform manipulations such as counting the lines of text, adding new lines, deleting lines, or…
If you are familiar with Django Girls, it is a non-profit organization and a huge community that empowers and helps women to organize one-day programming workshops for free. The workshop helps aspiring female programmers to build their first-ever web applications using HTML…
Since its introduction, Python has emerged as one of the most powerful programming technologies. Its simple syntax and robust object-oriented nature have made it a favorite among different developer communities. Today, teams can rely on Python whether they are carrying out…
What Are Bi-Directional Properties In DelphiVCL Applications?
January 28, 2022
What is Bi-Directional (BiDi)?
Some languages do not follow the left to right reading order commonly found in Western languages, but rather use the right to left reading order for words and the left to right reading order for numbers. These languages are termed bi-directional (BiDi) because of this separation. The most common bi-directional languages are Arabic and Hebrew, although other Middle…
