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harbour-core/tests/clasinit.prg
vszakats a4a357a18b 2013-03-15 11:12 UTC+0100 Viktor Szakats (harbour syenar.net)
* /harbour/* -> /*
    * moved whole Harbour source tree one level up to
      avoid single 'harbour' top dir
2013-03-15 11:13:30 +01:00

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/*
* $Id$
*/
// Using Harbour Class HBClass
PROCEDURE Main()
LOCAL oForm := TForm():New()
LOCAL oSecond
? "What's the default oForm and calculate area"
? hb_ValToExp( oForm )
? oForm:CalcArea()
? "Set nTop to 5 and recalculate"
oForm:nTop := 5
? hb_ValToExp( oForm )
? oForm:CalcArea()
? "Create a new instance and calculate area"
oSecond := TForm():New()
? hb_ValToExp( oSecond )
? oSecond:CalcArea()
RETURN
FUNCTION TForm()
STATIC s_oClass
IF s_oClass == NIL
s_oClass := HBClass():New( "TFORM" ) // starts a new class definition
s_oClass:AddData( "cName" ) // define this class objects datas
s_oClass:AddData( "nTop" , 10 )
s_oClass:AddData( "nLeft" , 10 )
s_oClass:AddData( "nBottom", 20 )
s_oClass:AddData( "nRight" , 40 )
s_oClass:AddMethod( "New", @New() ) // define this class objects methods
s_oClass:AddMethod( "Show", @Show() )
s_oClass:AddInline( "CalcArea", ;
{| self | ( ::nRight - ::nLeft ) * ( ::nBottom - ::nTop ) } )
s_oClass:Create() // builds this class
ENDIF
RETURN s_oClass:Instance() // builds an object of this class
STATIC FUNCTION New()
LOCAL Self := QSelf()
RETURN Self
STATIC FUNCTION Show()
LOCAL Self := QSelf()
? "lets show a form from here :-)"
RETURN NIL