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.Collection or Collection is a container for CollectionItem objects.
Each Collection holds a group of CollectionItem descendants. The Collection maintains an index of the collection items in its Items array. The Count property contains the number of items in the collection. Use the Add and Delete methods to add items to the collection and delete items from the…
DelphiVCL.BoundLabel is the type of a labeled Edit control’s label.
BoundLabel implements the label of a labeled Edit control. Unlike other label controls such as Label, BoundLabel “belongs” to the labeled Edit control (it is a subcomponent of the…
DelphiVCL.Bevel is used to determine the style of the panel’s border. These are the possible values of DelphiVCL.Bevel:
Value
Meaning
pbNone
The panel has no bevel and appears flat.
pbLowered
The panel appears recessed.
pbRaised
The…
DelphiVCL.BasicAction is the ancestor class for all action objects.
BasicAction introduces the fundamental behavior for an action. Descendants of BasicAction add functionality for containment in an action list, for being categorized, and for specializing their behavior tailored to particular clients such as controls or menu items. Use BasicAction if you want to create an action for an…
DelphiVCL.Application.MessageBox is used to display a specified message to the user.
Use MessageBox to display a generic dialog box containing a message and one or more buttons. The Caption parameter specifies the caption of the dialog box and is…
MsgDlgButtons defines a set of values used by MessageDlg and MessageDlgPos.
The MsgDlgButtons type defines the set of values a button in a message box can have. The TMsgDlgButtons type is used by the MessageDlg and MessageDlgPos functions.
The following table…
ModalResult represents the return value from a modal dialog.
ModalResult represents the value returned by a modal dialog. An application can use any integer value as a modal result value.
Although ModalResult can take any integer value, the following constants are defined for commonly used ModalResult values:
Constant
Value
Meaning
mrNone
0
None. Used as a…
