Inserts a blank cell or range of cells or pastes cells from the Clipboard into a sheet
static int Insert( short int shift_num = 0 );
Shift_num is a number from 1 to 4 specifying which way to shift the cells. A value of zero is treated as a missing argument.
Zero if the function has been called successfully; non-zero if the function could not be called. See Error codes for a list of return values.
See the Microsoft Excel on-line Help for full details about this function.