## ProjectItem.EvaluationID

### Introduced

v9.0 (2011)

### Description

Returns the last evaluation ID as a Long. The evaluation ID is a counter that is incremented each time the ProjectItem is evaluated (dirtied) by XSI. Note: returns -1 if the ProjectItem is not valid or there is an error. You can use this to detect whether a ProjectItem became dirty since the last time EvaluationID was called.

### C# Syntax

    // get accessor
    Int32 rtn = ProjectItem.EvaluationID;