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 objects.
Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.CustomForm using dir()…
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…
.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…
DelphiVCL.CustomActionList is the base class for action list objects that manage a set of actions.
Manages the Layout of Toolbar Components using
Action lists manage a collection of action objects so that they are available to the components in an application.
delphivcl.Application is the type used for a GUI windowed application. Application encapsulates a windowed application. The methods and properties introduced in the Application reflect the fundamentals established in the Windows operating system to create, run, sustain, and…
delphivcl.Form represents a standard application window (form). Forms can represent the application’s main window, or dialog boxes, or MDI children. A form can contain other objects, such as Button, CheckBox, and ComboBox objects.
You can see all the properties, methods, and built-in properties of the delphivcl.Form using dir() command:
import delphivcl
dir(delphivcl.Form)
See the…
