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Table of Contents
4. Standard Units
4.37. Graph - Graph unit
4.37.2. Graph Unit Procedures and Functions
4.37.2.117. SetVirtualMode procedure
4.37.2.117. SetVirtualMode procedure
Targets: MS-DOS, Win32
Graph Unit
Sets virtual graphic mode.
Declaration:
procedure SetVirtualMode(BuffAddr: Pointer);
Remarks:
This procedure re-directs all graphic operations directly
to the virtual video buffer pointed to by BuffAddr in the memory.
You must previously allocate a memory block for the virtual buffer
using GetMem procedure. Use
GetPageSize to obtain the size of
the video page to be allocated.
See also:
SetNormalMode
FlipToScreen
FlipToMemory
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