Function
GimpUiItemConstraintFunc
Parameters
- image
- 
            Type: GimpImageNo description available. The data is owned by the caller of the function. 
- item
- 
            Type: GimpItemNo description available. The data is owned by the caller of the function. 
- data
- 
            Type: gpointerNo description available. The argument can be NULL.The data is owned by the caller of the function.