63 lines
1.4 KiB
Plaintext
63 lines
1.4 KiB
Plaintext
//
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// $Id$
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//
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// Using Harbour Class TClass
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function Main()
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local oForm := TForm():New()
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local oSecond
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QOut( "What's the default oForm and calculate area" )
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Debug( oForm )
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QOut( oForm:CalcArea() )
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QOut( "Set nTop to 5 and recalculate" )
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oForm:nTop := 5
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Debug( oForm )
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QOut( oForm:CalcArea() )
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QOut( "Create a new instance and calculate area" )
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oSecond := TForm():New()
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Debug( oSecond )
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QOut( oSecond:CalcArea() )
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return nil
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function TForm()
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static oClass
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if oClass == nil
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oClass = TClass():New( "TFORM" ) // starts a new class definition
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oClass:AddData( "cName" ) // define this class objects datas
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oClass:AddData( "nTop" , 10 )
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oClass:AddData( "nLeft" , 10 )
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oClass:AddData( "nBottom", 20 )
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oClass:AddData( "nRight" , 40 )
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oClass:AddMethod( "New", @New() ) // define this class objects methods
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oClass:AddMethod( "Show", @Show() )
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oClass:AddInline( "CalcArea", ;
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{|self| ( ::nRight - ::nLeft ) * ( ::nBottom - ::nTop ) } )
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oClass:Create() // builds this class
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endif
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return oClass:Instance() // builds an object of this class
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static function New()
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local Self := QSelf()
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return Self
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static function Show()
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local Self := QSelf()
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QOut( "lets show a form from here :-)" )
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return nil
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