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_twHandle( wHndl )
----------------------------------------------------------------------------
Get/Set the window handle for addressing of library
functions.
Arguments:
wHndl - 'N' Window handle to set. Defaults to the current handle.
Return:
Current window handle
Example:
win1 := twOpen()
win2 := twOpen( 5, 5, 10, 10, "w+/b")
// write to win2
twSay( 2, 2, "I'm window number 2" )
// write to win1
_wHandle( win1 )
twSay( 2, 2, "I'm window number 1" )
See Also:
twActivate()
twDisplay()
twOpen()
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