DelphiVCL.CustomMemo or TCustomMemo is the base type for memo components, which are multiline edit boxes, including TMemo and TDBMemo.
TCustomMemo introduces new properties and methods to expand the capabilities of TCustomEdit for handling multi-line edit boxes.
Do not create instances of TCustomMemo. Use TCustomMemo as a base class when declaring control objects that implement a…
DelphiVCL.CustomGrid or TCustomGrid is the base type for all components that present information in a two-dimensional grid.
Use TCustomGrid as a base class when defining components that represent information in a tabular format. TCustomGrid introduces properties and…
DelphiVCL.CustomForm or TCustomForm is the base class from which to derive a window such as a form or dialog.
Derive from TCustomForm to create a custom window. The TCustomForm descendant can contain other objects, such as TButton, TCheckBox, and TComboBox…
DelphiVCL.CustomEdit is the base class from which all edit-box and memo controls are derived.
DelphiVCL.CustomEdit or TCustomEdit encapsulates the behavior common to all components for editing text by introducing methods and properties that provide:
Basic text editing functions such as selecting the text, modifying selected text, and case conversions.
Ability to respond to…
Learn To Build A Python GUI For Manipulating Date, Time, And Timestamps Using Arrow Library In A Delphi Windows App
April 15, 2021
Are you looking for powerful tools to manipulate or format dates, times, and timestamps, and build a nice GUI for them? You can build it easily by combining Arrow and Python4Delphi library, inside Delphi and C++Builder.
Arrow is a Python library that offers a sensible…
.Brush represents the color and pattern used to fill solid shapes.
Brush encapsulates the Windows brush object (HBRUSH) and is used to fill solid shapes, such as rectangles and ellipses, with a color or pattern.
Here is the working example of the implementation…
DelphiVCL.Canvas provides an abstract drawing space for objects that must render their own images.
Use DelphiVCL.Canvas as a drawing surface for objects that draw an image of themselves. Standard window controls such as edit controls or list boxes do not require a canvas, as they are drawn by the system.
DelphiVCL.Canvas provides properties, events, and methods that assist in…
DelphiVCL.CustomDrawGrid is the base class for grids that publish events for painting and manipulating the cells in the grid.
Use DelphiVCL.CustomDrawGrid or TCustomDrawGrid as a base class when defining grid components that publish events for painting or manipulating…
main() function is like the entry point of a program. However, the Python interpreter runs the code right from the first line. The execution of the code starts from the starting line and goes line by line. It does not matter where the main function is present or it is…
DelphiVCL.CustomControl is a base class for controls that wrap Windows screen objects but perform their own rendering.
In most descendants of TWinControl, the job of drawing the control’s surface belongs to the underlying Windows screen object. If a control has visible features that cannot be rendered by a Windows screen object, it requires access to a canvas object so it can do its…
