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These objects are posted by an roControlPort instance to the configured message port when inputs change state. An roControlDown event is posted when the input level goes from high to low. An roControlUp event is posted when the input level goes from low to high.
ifInt
GetInt() As Integer
Retrieves the pin number associated with the event.
SetInt(value As Integer) As Void
Sets the value of the event.
ifUserData
SetUserData(user_data As Object) As Void
Sets the user data.
GetUserData() As Object
Returns the user data that has previously been set via SetUserData() (on either the event or source object). It will return Invalid if no data has been set.
ifSourceIdentity
GetSourceIdentity() As Integer
Retrieves the identity value that can be used to associate events with the source roControlPort instance.
Note
The ifSourceIdentity interface has been deprecated. We recommend using the ifUserData interface instead.