Learn PythonPythonPython GUIVideos

How To Make A Button With Undo And Redo Text Features

After the comprehensive CRM Database project, John Elder recently started a new one, a text editor using the Tkinter module in Python. Creating a text editor using the Tkinter is surprisingly easy and you can add a seemingly endless number of interactive functionalities to it. In his early videos, John taught us how to create a Text Editor and how to add common functionalities including the…
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DelphiDelphiVCLPythonPython GUIWindows

What is ActionUpdateDelay Property in DelphiVCL.Application?

ActionUpdateDelay property or DelphiVCL.Application.ActionUpdateDelay used to delay the call to DoActionIdle. This applies to native Windows development. The following example demonstrates the usefulness of this property: Create an MDI project with the main form, an MDI Child, and a TAction class.Link the TAction OnUpdate event to a method.Run the program and maximize the MDI child. If you…
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This Is How Python's Self Works In Windows Development

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. By using the “self” keyword we can access the attributes and methods of the class in Python. It binds the attributes with…
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DelphiDelphiVCLPythonPython GUIWindows

What is the ClassParent Method in Windows App Development?

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 returns nil (Delphi) or NULL (C++). Avoid using ClassParent in application code. Let’s browse all the properties and…
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