[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'StdCtrls' (#lcl)

TCustomGroupBox

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

The base class for TGroupBox, TRadioGroup and TCheckGroup.

Declaration

Source position: stdctrls.pp line 165

type TCustomGroupBox = class(TWinControl)

protected

  class procedure WSRegisterClass; override;

  

Registers this component class with the current WidgetSet.

  class function GetControlClassDefaultSize; override;

  

Returns the default dimensions for new instances of the class.

  procedure UpdateOpaque;

  

Updates the control style when the parent background is used.

  procedure CreateParams(); override;

  

Ensures that creation parameters are updated for the control.

  procedure SetColor(); override;

  

Sets the value for the Color property.

  procedure SetParentBackground(); override;

  

Sets the value for the ParentBackground property.

  procedure CMParentColorChanged(); message;

  

Handles the CM_PARENTCOLORCHANGED message for the control.

public

  constructor Create(); override;

  

Constructor for the class instance.

  property ParentBackground: Boolean;

  

Indicates if the control uses the background from the parent.

end;

Inheritance

TCustomGroupBox

  

The base class for TGroupBox, TRadioGroup and TCheckGroup.

|

TWinControl

  

Implements a windowed control which can contain other child controls.

|

TControl

  

The base class for visible controls.

|

TLCLComponent

  

The base class for LCL components which have an associated widget.

|

TComponent,IUnknown,IInterfaceComponentReference

|

TPersistent,IFPObserved

|

TObject

Description

TCustomGroupBox is a visual component used to organize related controls into a group. It acts a container. TCustomGroupBox is the base class for TGroupBox, TRadioGroup and TCheckGroup. Do not create instances of TCustomGroupBox; use one of the descendent classes.

See also

TGroupBox

  

A container that allows a number of objects to be grouped physically and conceptually on a form.

TRadioGroup

  

TRadioGroup is a group of related but mutually exclusive radio buttons, requiring the user to select one of a set of alternatives.

TCheckGroup

  

TCheckGroup is a group of Check Boxes physically and logically grouped together on a form.


Version 3.2 Generated 2024-02-25 Home