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 ISVGA()
 Determines if a VGA card is present
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 Syntax

     ISVGA() --> lVGA

 Returns

     ISVGA() returns .T. when a VGA card is available.

 Description

     The function tests to see if the screen card is a VGA adapter.  Use
     GETMODE() to determine the active mode.

 Example

     Is VGA adapter available?

     IF ISVGA()<R>
        *...
     ENDIF
See Also: VIDEOTYPE() GETMODE()
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