I am building a library for Altium Designer version 15.0 and have a schematic component as well as a PCB footprint. The footprint is linked to the schematic through the dialog opened when I double-click the component in the schematic library and add the footprint there. If I then edit the footprint later on, do I need to re-add it to the component through the schematic library, or is it updated automatically? I'm leaning towards the latter but want to be certain.
Two why to doing this:
1-go to your PCB component library and select : TOOLS >> Update PCB with ll Footprints, which change all PCB that used this library in any project !!!
like this :
2- Save the new PCB component library with new name, In Schematic of those project go to:
TOOLS >> Footprint manager then select all component which you want to change it's footprint PCB library and in right part select edit option and change those component footprint then select Validate >> Accept Changes (Create ECO)