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Class >Hierarchy>
>Fl_Window>
> |
> +---->Fl_Double_Window>
>
Include >Files>
>#include <FL/Fl_Double_Window.H>
>
Description>
The >Fl_Double_Window> class >provides >a >
double-buffered >window. > If >possible >this >will >use >
the >X >double >buffering >extension >(Xdbe). > If > not, >
it >will >draw >the >window >data >into >an >off-screen >
pixmap, >and >then > copy >it >to >the >on-screen >
window. >
It >is >highly >recommended >that >you >put >the >
following >code >before >the > first >show()> of >
any> window >in >your >program: >
>Fl::visual(FL_DOUBLE|FL_INDEX)
>
This >makes >sure >you >can >use >Xdbe >on >servers >
where >double >buffering > does >not >exist >for >every >
visual. >
Methods>
Creates >a >new >Fl_Double_Window> widget >using >
the >given > position, >size, >and >label >(title) >
string. >
The >destructor >also >deletes >all >the >children>
. >This >allows >a > whole >tree >to >be >deleted >at >
once, >without >having >to >keep >a >pointer >to > all >
the >children >in >the >user >code. >
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