When you place a shape on the line of a connector, it splits and each piece becomes a separate connector glued to the shape. Not all drawing types support connector splitting.
Registry Hive | HKEY_CURRENT_USER |
Registry Path | software\policies\microsoft\office\16.0\visio\application |
Value Name | allowshapesplitting |
Value Type | REG_SZ |
Enabled Value | 1 |
Disabled Value | 0 |