AutoCAD Map 3D 2009 Geospatial Platform Reference

AutoCAD Map 3D Geospatial Platform API

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MgReader
Close
GetBLOB
GetBoolean
GetByte
GetCLOB
GetDateTime
GetDouble
GetGeometry
GetInt16
GetInt32
GetInt64
GetPropertyCount
GetPropertyName
GetPropertyType
GetRaster
GetReaderType
GetSingle
GetString
IsNull
ReadNext
virtual MgByteReader* MgReader::GetBLOB ( CREFSTRING  propertyName  )  [pure virtual]

Gets the BLOB value of the specified property.

Remarks:
No conversion is performed. Therefore, the property must be of type MgPropertyType::Blob or an MgInvalidPropertyTypeException is thrown.
.NET Syntax
virtual MgByteReader GetBLOB(string propertyName);
Java Syntax
virtual MgByteReader GetBLOB(String propertyName);
PHP Syntax
virtual MgByteReader GetBLOB(string propertyName);

Parameters:
propertyName (String/string) The property name.
Returns:
Returns the BLOB value in an MgByteReader object.
Exceptions:
MgInvalidPropertyTypeException 
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