The specialized Control Link used to provide the connection between an ordered aggregation of Expressions and the target fields of a State Related Geometry.
The expr_index field is a 1-based index into the ordered aggregation of Expressions, and is used to select the specific Expression that controls the value of State Related Geometry's active_state_value field.
The mismatch_policy field specifies the behavior state control when the selected Expression evaluates to a state value that is not supported in the Geometry State Data of the State Related Geometry.
| SE_STRING | description; | (notes) |
|---|
| SE_UINT32 | expr_index; | (notes) |
|---|---|---|
| SE_STATE_MISMATCH_POLICY_ENUM | mismatch_policy; |
A text description of what the Control_Link is for
index of the expression whose value controls the active_state_value field of the related <State Related Geometry>