// Cancel Drag
private void CancelDrag()
{
if (pBook.GetBookState() != PBook.BookState.OPEN && pBook.GetBookState() != PBook.BookState.CLOSED)
{
if (dragstate == DragState.OPENDRAG || dragstate == DragState.CLOSEDRAG)
{
pBook.CancelDragOpenCloseBook();
dragstate = DragState.NODRAG;
}
else if (dragstate == DragState.NEXTDRAG || dragstate == DragState.PREVDRAG)
{
pBook.CancelDragNextPrevPage();
dragstate = DragState.NODRAG;
}
}
}