This function takes objects of classes Placement and inherited from Placement except 
Page and filters them with the given filter. This method does not return embedded objects (like for example 
Eplan.EplApi.DataModel.Graphics.Shielding). This method does not return 
Eplan.EplApi.DataModel.Graphics.PropertyPlacement.
            
        
            Parameters
- filter
- a PlacementsFilter, can be null
Return Value
* 
Placements matching given 
PlacementsFilter. * all 
Placements when filter is 
null.