Represents a base class for any cell type.

Define paramaeter provide for CellTypeCommand to excecute.

Represents the command that display a message.

Represents the general cell type of GcSpreadSheet.

Represents the editing data.

Defines common functionality for the edit element that contains drop down button.

Represents the background hover manager .

Represents a control that supports hover background.

Define the command of a celltype can excecute when input special key