Budi Irawan wrote:
> Oh, it is because i didn't add dynamic class.......but I don't really
> understand why I have to add it. It is really tricky because I had been
> trying to find why my Load function didn't work for several hours.
>
> Based on wxWidgets Doc, it said that
>
> "Used in a C++ implementation file to complete the declaration of a
> class that has run-time type information, and whose instances can be
> created dynamically"
>
> Do you know why, Klaas?
Its the attribute classname in CVG, like e.g. in canobj.cpp:5722
wxString classname = parser.GetAttributeValue( wxT("classname") );
a2dCanvasObject* object = wxDynamicCast( parser.CreateObject(
classname ), a2dCanvasObject );
This creates a child a2dCanvasObject, because it knows the classname, and using
run-time type information, it can create such an object. Next in
a2dObject::Load
and derived etc., this object is filled with the information it had.
Klaas
Unclassified
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