Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

SleekInventorySystem
AbstractDraggableInventoryItem	Basic class to be used as base for the most common types of inventory items.
AbstractDraggableItem	Minimal implementation for any draggable item. It should know its previous slot (it was dragged away from) as well as be drawable.
AbstractInventoryPage	Abstract description of a page in the inventory system. To be derived from to create different looking pages and page layouts.
AbstractInventorySlotID	Base class to describe the position of a slot, holding an inventory item. This container can be used to store item positions in a file or on a server for example. The GetAllItems() method in the SleekInventory.cs class provides the functionality to retrieve all items along with their slot ids.
ColliderDragTarget	Implementation of a custom drag target using a unity scene collider as a target to drop inventory items onto.
CustomDragTarget	A class to enable the capability of allowing the user to drag items of the inventory to somewhere else. For example onto a 3d object in a unity scene. The class basically just provides a delegate that allows derived class to notify the outside world in case an item is dropped onto a custom drag target.
GridInventory	Helper class to simplify common functionality for grid inventories.
GridInventoryDataState	Class to contain the items information about a grid inventory.
GridInventoryItemDescription	Simple description container that describes the position of a an item in a grid inventory.
IInventoryDragTarget	Interface to define the behaviour of drag targets.
IInventoryPageGenerator	Interface that is used by the inventory to create actual pages with their content on startup or whenever requested.
ImageAndNumberItem	Implementation of a simple image with number item that can be used with the SleekInventory system. The number is displayed in the corner of the icon.
ImageItem	Implementation of a simple image item that can be used with the SleekInventory system.
InventorySlot	Concrete implementation of a slot in the inventory.
InventorySlotID
ItemGridPage	Implementation of an inventory page consisting of a grid of slots to contain items.
Matrix< T >	Generic managed matrix class for arbitrary types using 2 cascaded lists as internal datastructure.
TabButton	Implementation of a tab button used for switching between pages of the inventory.
SleekInventory	Public interface to the inventory system.
SleekInventoryTextureContainer	A class to simplify the loading and access of textures for use with the SleekInventory system. Attach this class to a gameObject in unity and assign all needed textures to the public member variable. Retrieve the textures using the Get... method and the filename of the texture.
TestInventoryController_DragItemOnGameObject	Simple test class to show how to set up and use the sleek inventory system to interact with gameobjects.
TestInventoryController_MultiPageInventory	Simple test class to show how to set up and use the sleek inventory system for an inventory with a multiple pages and different icons.
TestInventoryController_SaveAndLoad	Simple test class to show how to save and load the inventory.
TestInventoryController_SinglePageInventory	Simple test class to show how to set up and use the sleek inventory system for an inventory with a single page.
TestInventoryController_SpawnItemInScene	Simple test class to show how to set up and use the sleek inventory system to interact with gameobjects.