The IVarConstraints interface contains properties and methods used to work with collection of non-linear optimization variable constraints.
| Property name | Brief description | |
| Count | The Count property returns number of constraints in the collection. | |
| Item | The Item property returns a constraint from the collection by its index. |
| Method name | Brief description | |
| Add | The Add method adds a constraint to the collection. | |
| Clear | The Clear method removes all constraints from the collection. | |
| Remove | The Remove method removes the constraint from the collection by its index. |
See also: