CTB Class

The TB class is a high-performance table class used to perform table-based processing, such as leveling data in an OASIS database. The LTB class is recommended for use with small tables produced from short lists such as the different geographic projections and their defining parameters.

Inheritance Hierarchy

SystemObject
GeoEngine.Core.GXNetCHANDLE
GeoEngine.Core.GXNetCTB

Namespace: GeoEngine.Core.GXNet
Assembly: geoengine.core.gxnet (in geoengine.core.gxnet.dll) Version: 2025.1.0.25

Syntax

C++

Copy

public class CTB : CHANDLE

public class CTB : CHANDLE

Public Class CTB
	Inherits CHANDLE

Public Class CTB
	Inherits CHANDLE

public ref class CTB : public CHANDLE

public ref class CTB : public CHANDLE

type CTB =  
    class
        inherit CHANDLE
    end

type CTB =  
    class
        inherit CHANDLE
    end

The CTB type exposes the following members.

Methods

	Name	Description
	Create	Loads a table into memory and return a table handle.
	CreateDB	Create a table from a database.
	CreateLTB	Create a table from an LTB database.
	Dispose	Releases the unmanaged resources used by the CTB and optionally releases the managed resources (Overrides CHANDLEDispose(Boolean).)
	Field	Get a field handle.
	GetString(Int32, Int32, String)	Gets a string value from a table element.
	GetString(Int32, Int32, String, Int32)	Gets a string value from a table element.
	iDataType	Returns the data type for the specified column.
	IFindColByIndex(Int32, String)	Finds a column's name by its index.
	IFindColByIndex(Int32, String, Int32)	Finds a column's name by its index.
	iFindColByName	Finds a column's index by its name.
	iFormat	Returns the channel format for the specified column.
	iGetInt	Gets an integer value from a table element.
	iNumColumns	Gets the number of data fields (columns) in a table.
	iNumRows	Gets the number of data rows in a table.
	LoadDB	Load a database into a TB
	rGetReal	Gets an real value from a table element.
	Save	Saves the data in a table to a file. The table header will be in ASCII and the data will be in BINARY format.
	SaveDB	Save a TB in a database line
	SaveToAscii	Saves the data in a table to a file. The table header will be in ASCII and the data will be in ASCII format.
	SetInt	Sets an integer value into a table element.
	SetReal	Sets an real value into a table element.
	SetSearchMode	Set the search mode of a table.
	SetSortMode	Set the sort mode of a table.
	SetString	Sets a string value into a table element.
	Sort	Sorts a table by a specified column.

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Reference

GeoEngine.Core.GXNet Namespace