UnboundCellFactory
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Shows how to use a custom CellFactory to create custom cells in an unbound C1FlexGrid control.

The sample creates and populates an unbound C1FlexGrid, and then assigns it a 
custom CellFactory that implements the following cell types:

1) Checkboxes for boolean columns
2) Image indicators for "FaultType" columns
3) Radio buttons for "TestType" columns

In adition to these custom cell types, the CellFactory implements a notification 
mechanism that fires an events when the user edits any of the custom cells, or 
when he selects items from a list.

The event can be used to apply new values to cells, to customize rows, or to take 
any other action required by the application logic.

