Pitney Bowes MapXtreme User Manual

Page 155

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Chapter 8: Working with Data

Catalog and Tables

MapXtreme v7.1

162

Developer Guide

Supported data types include:

Data Type

Description

Int

Provides a 32-bit signed integer. This maps to the .NET Framework datatype
Int32.

SmallInt

Provides a 16-bit signed integer. This maps to the .NET Framework datatype
Int16.

Double

A floating point number within the range of -1.79E +308 through 1.79E +308.
This maps to Double.

dBaseDecimal

Provides a floating point number which is treated internally the same as a
Double. The dBaseDecimal has a fixed precision and scale when persisted in
a table. This is a legacy data type derived, as its name suggests, from the
dBase file formats. This maps to Double.

Boolean

Provides a boolean value. This maps to Boolean.

String

Provides a variable-length, null terminated UNICODE string value. This maps
to String.

Date

*

Provides a date value. The Date type is implemented as a structure in the
MapInfo.Data namespace, beginning with MapXtreme v 6.8. Previously it was
mapped to System.DateTime.

DateTime

* ‡

Provides a combined date and time value. The DateTime type is mapped to
System.DateTime.

Time

Provides a time value. Supports the Time type in MapInfo Professional tables
(TAB files) version 9.0 and later. The Time type is implemented as a structure
in the MapInfo.Data namespace.

FeatureGeometry Provides a FeatureGeometry.

Binary

Provides an array of binary data. This maps to an Array of Byte values.

Key

Provides a key from a table. This is the data type of the Key pseudo column
on a Table.

CoordSys

Provides a coordinate system. This type exists only for the purposes of
binding a coordinate system object to an MICommand for functions which
require the specification of a coordinate system.

Style

Provides an instance of a Style class. See MapInfo.Styles.Style. This is the
data type of the Style object stored in the style column on a Table.

Raster

Provides a RasterInfo from table's raster column. This is the data type of the
RasterInfo object stored in raster column on a Table.

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