Sub MagSquareIsOnMainGrid(magSquareIndex As Int) As Boolean
Dim magSquare As SquareCoords
magSquare.col = relativeColIndexArray(magSquareIndex)
magSquare.row = relativeRowIndexArray(magSquareIndex)
Dim mainSquare As SquareCoords = ConvertMagToMain(magSquare,viewGridSelectedSquare)
Return storedGridDisplay.ColAndRowInRange(mainSquare)
End Sub