forlang.hlp (Table of Contents; Topic list)
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setvisualpage
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     For hardware mode configurations that have an EGA or a VGA and
     enough memory to support multiple-screen pages, the setvisualpage
     function sets the current visual page. The <page> argument
     specifies the visual page number. The default page number is 0.
 
     Return Value
 
     The function returns the page number of the previous visual page.
     If the function fails, it returns a negative value.
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