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> SetActivePage (procedure) (Graph unit)
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 SetActivePage (procedure)     (Graph unit)


Set the active page for graphics output.

Declaration

 procedure SetActivePage(Page: Word);

Target

Real, Protected

Remarks

Makes Page the active graphics page, directing all subsequent graphics output to Page.

Multiple pages are only supported by the EGA (256K), VGA, and Hercules graphics cards. With multiple graphics pages, a program can direct graphics output to an offscreen page, then quickly display the offscreen image by changing the visual page with the SetVisualPage procedure. This technique is especially useful for animation.

Restrictions

Must be in graphics mode.

See Also

Sample Code

 
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Тэги: SetActivePage
 

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