#include once "IUP/iup.bi"

#define NULL 0

declare function ok_onclick cdecl (byval handler as Ihandle ptr) as long
declare function close_onclick cdecl (byval handler as Ihandle ptr) as long

	if( IupOpen( NULL, NULL ) = IUP_ERROR ) then
		end 1
	end if

	dim as Ihandle ptr ok_button, close_button
	dim as Ihandle ptr main_dlg

	ok_button = IupButton( "Open", "ok_act" )
	close_button = IupButton( "Close", "close_act" )

	main_dlg = IupDialog( _
  						  IupVbox( _
								   IupHbox( IupLabel( "" ), NULL ), _
  						  		   IupHbox( IupFill(), ok_button, IupFill(), close_button, IupFill(), NULL ), _
  						  		   IupHbox( IupLabel( "" ), NULL ), _
  						  		   NULL _
  						  		 ) _
						)

	IupSetAttributes( main_dlg, "TITLE=IupButton, DEFAULTENTER=ok_button, MAXBOX=NO, MINBOX=NO, RESIZE=NO" )

	IupSetFunction( "ok_act", @ok_onclick )
	IupSetFunction( "close_act", @close_onclick )

	IupSetHandle( "ok_button", ok_button )

	IupShowXY( main_dlg, IUP_CENTER, IUP_CENTER )

	IupMainLoop( )
	IupClose( )

	end 0

''
function ok_onclick cdecl (byval handler as Ihandle ptr) as long

  IupMessage( "IupMessage", "Press OK" )

  function = IUP_DEFAULT

end function

''
function close_onclick cdecl (byval handler as Ihandle ptr) as long

  function = IUP_CLOSE

end function