If you select shapes by using a selection net(dragging a box around shapes on the drawing page), you can change the selection settings to also include shapes that are partially within the selection net.
Registry Hive | HKEY_CURRENT_USER |
Registry Path | software\policies\microsoft\office\16.0\visio\application |
Value Name | areaselection |
Value Type | REG_SZ |
Enabled Value | 1 |
Disabled Value | 0 |