FLIP


Changes the current video display page

Syntax:
declare sub Flip ( byval frompage as long = -1, byval topage as long = -1 )

Usage:
Flip [ frompage ] [, topage ]

Parameters:
frompage
previous page
topage
new page to display

Description:
In normal graphics mode, Flip is an alias for PCopy and ScreenCopy. See ScreenCopy for details.

In OpenGL mode, Flip does a hardware page flip and displays the contents of the backbuffer. It is recommended that you call Flip regularly while in OpenGL mode, otherwise your app may also become unresponsive.

Examples:
ScreenRes 320, 240, 32, 2    'Sets up the screen to be 320x240 in 32-bit color with 2 video pages.
ScreenSet 1,0                'Sets the working page to 1 and the displayed page to 0


For n As Integer = 50 To 270

    Cls
    Circle (n, 50),50 ,RGB(255,255,0) 'Draws a circle with a 50 pixel radius in yellow on page 1
    Flip 1,0    'Copies our circle from page 1 to page 0

    Sleep 25
Next

Print "Now wasn't that neat!"
Print "Push any key."
Flip 1,0    'Copies our text from page 1 to page 0
Sleep



Dialect Differences:
Differences from QB:
Back to Screen Functions
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