Difference between revisions of "DODEFAULT()"
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==Products== | ==Products== | ||
− | + | Lianja Server, Lianja | |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
[[Category:Objects]] | [[Category:Objects]] | ||
[[Category:Objects Functions]] | [[Category:Objects Functions]] |
Revision as of 12:44, 7 December 2012
Purpose
Function to call the parent class method from within a sub-class
Syntax
DODEFAULT()
See Also
ACLASS(), ADDPROPERTY(), AMEMBERS(), CLASS, CLASS - Methods, CLASS - Parameters, CLASS - Properties, CLASS - Scoping, COMPOBJ(), CREATEOBJECT(), DEFINE CLASS, DISPLAY CLASSES, FOREACH, LIST CLASSES, LOADOBJECT(), METHOD, NEWOBJECT(), OBJECT(), PRINT_HTML(), PRINT_JSON(), PRINT_R(), PRINT_XML(), REMOVEPROPERTY(), REQUIRE_ONCE(), SAVEOBJECT(), SQL SELECT, WITH
Description
The DODEFAULT() function is used to call the parent class method from within a sub-class. It can only be used within a class method. It calls the parent class method of the same name as the calling method. It allows a sub-class to perform the default parent class behavior along with additional behavior specific to that particular sub-class.
Example
class Box procedure Draw messagebox("This is the parent Draw Method") endproc && Draw endclass class Dialog1 of Box procedure Draw messagebox("This is the object Draw Method") // call the Draw method of the Box parent class dodefault() endproc && Draw endclass oDIALOGOK = createobject("Dialog1") oDIALOGOK.Draw() release oDIALOGOK
Products
Lianja Server, Lianja