| Overload | Description | 
|---|---|
| DESIGNATION_INSTALLATIONNUMBER_VISIBLE(Int32) | Higher-level function number (visible) # 1729. This property isn't indexed, and is read-only. | 
| DESIGNATION_INSTALLATIONNUMBER_VISIBLE | Higher-level function number (visible) # 1729. | 
| Overload | Description | 
|---|---|
| DESIGNATION_INSTALLATIONNUMBER_VISIBLE(Int32) | Higher-level function number (visible) # 1729. This property isn't indexed, and is read-only. | 
| DESIGNATION_INSTALLATIONNUMBER_VISIBLE | Higher-level function number (visible) # 1729. | 
This property is read-only..
Shows the component of the respective identifier block of the displayed DT. Blanks or line breaks that are available in the displayed DT are not displayed for this property.