DelphiVCL.Icon or TIcon is an encapsulation of a Windows icon.
Use TIcon to represent one of the icons in an image list. Assign an icon to objects that have an Icon property, such as TForm or TPicture.
Icon objects represent the value loaded from a Windows icon file (.ICO file). Draw an icon on a canvas, using the Draw method of the TCanvas object. Icons do not stretch, so do not use…
DelphiVCL.Header or THeader is a sectioned visual control that displays text and allows each section to be resized with the mouse.
THeader is provided for backward compatibility. New applications should use THeaderControl instead.
Let’s browse all the…
DelphiVCL.GroupBox or TGroupBox represents a Windows group box.
The TGroupBox component represents a standard Windows group box, used to group related controls on a form. When another control component is placed within a group box, the group box becomes the parent of…
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…
.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…
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 the cells in the grid. TCustomDrawGrid introduces many events and methods that take advantage of the tabular organization of…
