DelphiVCL.ScrollBar or TScrollBar is a Windows scroll bar, which is used to scroll the contents of a window, form, or control.
We can use TScrollBar to add a free-standing scroll bar to a form. Many controls have properties that add scroll bars which are an integral part of the control (TControlScrollBar objects). TScrollBar allows controls that do not have integrated scroll bars or…
delphivcl.CheckBox represents a check box that can be on (checked) or off (unchecked).
A CheckBox component presents an option for the user. The user can check the box to select the option, or uncheck it to deselect the option.
The Caption property can be used to…
DelphiVCL.RadioButton or TRadioButton is a wrapper for a system radio button.
Use TRadioButton to add a radio button to a form. Radio buttons present a set of mutually exclusive options to the user- that is, only one radio button in a set can be selected at a time.
Learn Python With The Hitchhiker's Guide to CLIs in Python by Vinayak Mehta (PyCon 2020) Video
May 3, 2021
Here comes another interesting talk from the recently concluded PyCon 2020. In this video presented by Vinayak Mehta, we will learn more about Command-line applications and their interesting history as well as how can we create them using various Python packages. We all know that these Command-line applications and interfaces are used by both newcomers and experienced Python developers on a daily…
delphivcl.Edit or TEdit is a wrapper for a Windows single-line edit control.
We can use an Edit object to put a standard Windows edit control on a form. Edit controls are used to retrieve text that users type. Edit controls can also display text to the user.
When only…
When running dir() to DelphiVCL library or any DelphiVCL methods and properties in all previous sections, you might find many of Python’s built-in objects and properties. Previously, we already discussed about __doc__, __file__, __loader__, __name…
DelphiVCL.Point or TPoint is used to define a pixel location on-screen.
The TPoint type defines the integer type X and Y coordinates of a pixel location on-screen, with the origin in the upper-left corner. X and Y specify the horizontal and vertical coordinates of a point, respectively.
The type of X and Y is FixedInt.
Let’s browse all the properties, methods, and built-in…
DelphiVCL.Persistent or TPersistent is the ancestor for all objects that have assignment and streaming capabilities. TPersistent encapsulates the behavior common to all objects that can be assigned to other objects, and that can read and write their properties to and from a…
delphivcl.Label or TLabel is a non-windowed control that displays text on a form.
Use Label to add text that the user cannot edit on a form. This text can be used to label another control and can set focus to that control when the user types an accelerator key. The…
When running dir() to DelphiVCL library or any DelphiVCL methods and properties in all previous sections, you might find many of Python’s built-in objects and properties. Previously, we already discussed about __doc__, __file__, __loader__, __name__, __package__,__spec__, __class__, __contains__, __delattr__, __dir__, __eq__, __format__, __ge__, __getattribute__, __getitem__, __gt__, __hash…
