TButtonControl

type TButtonControl = class(TWinControl)

  class procedure WSRegisterClass; override;

WSRegisterClass - Register this Class for the current Widget Set

protected

  function GetChecked; virtual;

GetChecked - returns True if the button is checked

  procedure SetChecked(); virtual;

SetChecked - specifies whether or not the button is checked

  procedure DoOnChange; virtual;

DoOnChange - perform the code of the OnChange event

  procedure Click; override;

Click - a procedure that allows the programmer to simulate a mouse click over the control, and initiates the same Action as that associated with the OnClick event

  procedure CMWantSpecialKey(); message;

Control Message when a special key is needed

  property Checked: Boolean; [rws]

Checked - whether this button has been checked, which signifies selection

  property ClicksDisabled: Boolean; [rw]

ClicksDisabled - if True, clicks are disabled for this button control

  property OnChange: TNotifyEvent; [rw]

OnChange - event handler for any change in properties of the control

public

  constructor Create(); override;

Create - constructor for TButtonControl: calls inherited Create then initialises style

end;

TButtonControl

TButtonControl : ancestor class for several Button (including Radio Button) and Check Box classes

TWinControl

TControl

TLCLComponent

TLCLComponent - base class for LCL components

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject