grfPosOption Values
| Option | Value | Description |
| grfPoCustom | 0 | custom positioning capability |
| grfPOLeftOrTop | 1 | left positions the x-axis; top positions the y-axis |
| grfPORightOrBottom | 2 | right positions the x-axis; bottom positions the y-axis |
| grfPONone | 3 | no positioning capability |