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The ISch_Document interface points to an existing Schematic document in Altium Designer.

The ISch_GraphicalObject interface is a generic interface used for all Schematic design object interfaces.The ISch_ServerInterface interface is the gateway to fetching other Schematic objects. To use Schematic interfaces, you need to obtain the ISch_ServerInterface object by invoking the SchServer function. The ISCH_ServerInterface interface is the main interface in the Schematic API.Below is the simplified Schematic object interface hierarchy: Simplified Schematic Objects Interfaces hierarchy The IPCB_ServerInterface and ISch_Document interfaces are amongst the main interfaces that you deal with when extracting data from a Schematic or Schematic Library document. With this interface, you can proceed further by iterating for certain PCB objects. This is the main interface and contains many interfaces within. To have access to the Schematic server and update Schematic design objects, you need to invoke the SchServer function which extracts the ISch_ServerInterface interface. The Schematic interfaces exposed by the Schematic editor refer to opened Schematic documents and the objects on them.Īn interface is a means of access to an object in memory. The objects shown on a document are stored in its corresponding design database. The Schematic API allows a programmer to fetch or modify Schematic objects and their attributes from a Schematic document.

While many of the principles and approaches will remain the same, be aware that interfaces, objects, methods, properties, and the like will have changed since then, and will not reflect the entirety of those found in later versions of the software. Please note that this documentation was last updated for an older version of Altium Designer.

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