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PC World Komputer 1998 May
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OWL1.PAK
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RADIOBUT.CPP
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1995-08-29
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// ObjectWindows - (C) Copyright 1992 by Borland International
/* --------------------------------------------------------
RADIOBUT.CPP
Defines type TRadioButton. This defines the basic behavior
for all radio buttons.
-------------------------------------------------------- */
#include "radiobut.h"
#include "groupbox.h"
/* Constructor for a TRadioButton object. Initializes its data fields
using passed parameters and default values. */
TRadioButton::TRadioButton(PTWindowsObject AParent, int AnId, LPSTR
ATitle, int X, int Y, int W, int H,
PTGroupBox AGroup, PTModule AModule)
: TCheckBox(AParent, AnId, ATitle, X, Y, W, H, AGroup, AModule)
{
Attr.Style = WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON;
}
/* Responds to an incoming BN_CLICKED message. Need to see if it's
checked because Windows generates two BN_CLICKED messages on
keyboard input such as up arrow (but only one on mouse input),
and we should only handle the one after it's checked. */
void TRadioButton::BNClicked(TMessage& Msg)
{
if ( GetCheck() )
TCheckBox::BNClicked(Msg);
else
DefNotificationProc(Msg);
}
TStreamable *TRadioButton::build()
{
return new TRadioButton(streamableInit);
}
TStreamableClass RegRadioButton("TRadioButton", TRadioButton::build,
__DELTA(TRadioButton));