Returns whether range is the first (or only) cell of an array
static HRESULT OleRangeIsFirst( LPDISPATCH dispRange, BOOL& bIsFirst );
The range to be inspected.
This will be set to TRUE if the range is the first (top left) cell of a formula array, or if the range is not part of a formula array. It will be set to FALSE if the range is a member of a formula array, and is not the first cell.