Classic (FlexGridClassic)
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Grid that derives from C1FlexGrid and provides an object model compatible with the VSFlexGrid control.

The FlexGridClassic is meant to be used as a resource for migrating
existing code and as a sample of how to implement custom grid controls
using C1FlexGrid as a base class.

All C1FlexGrid methods and properties are available to C1FlexGrid classic.

A few methods and properties are defined by both grids (for example,
Rows returns a RowCollection object in C1FlexGrid and a row count in 
C1FlexGridClassic). In these cases, use the property (Rows) to access 
the C1FlexGridClassic implementation and use base.<propertyName> 
(base.Rows) to use the C1FlexGrid implementation.

