Used to select materials to import into the open material palette file from another existing material palette. If the selected palette file contains materials with the same name as materials in the open palette, then these are displayed as conflicts, in red. If selected, the materials in red will replace the materials in the open palette, unless renamed prior to importing. The Import As field lets you rename a material before importing.
Inactive (dimmed) unless a material is selected.
Where multiple materials are selected, the last material selected is displayed in the text field. This lets you select multiple materials, renaming them as you go.
Imports the selected materials into the open material palette file.
Closes the dialog box without importing any materials.