AdsServerSymChanged

This event function is triggered when the symbol table in the ADS device has changed.

object_AdsServerSymChanged()

Parameter

Comments

Every ADS device stores its symbol names in an internal table. Each symbol is assigned a handle that can be read with the AdsCreateVarHandle() method. This event is triggered if the symbol table changes, for instance because the number of variables has changed.

Example

Visual Basic: 'Detect/alter state change in TwinCAT Router and the PLC'