Enum values
| Name | Value | Description |
|---|---|---|
| Anchored | 0 | Button is positioned at or near the anchor in content coordinates. |
| TopLeft | 1 | Button is aligned with the left edge of the control. |
| TopRight | 2 | Button is aligned with the right edge of the control. |
| BottomLeft | 3 | Button is aligned with the bottom edge of the control. |
| BottomRight | 4 | Button is positioned near the top right corner of the control. |