DbServer.BLOBExport Method

 VIRTUAL METHOD BLOBExport(
	uField,
	oFSTarget,
	kMode
) AS USUAL CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public virtual Usual BLOBExport(
	Usual uField = default,
	Usual oFSTarget = default,
	Usual kMode = default
)

Parameters

uField (Optional)

Type: Usual
The name, number, or symbol representing the position of the field in the database file structure.

oFSTarget (Optional)

Type: Usual
A string or filespec object that specifies the name of the target file where the BLOB data will be written, including an optional drive, directory, and extension. See SetDefault() and SetPath() for file searching and creation rules. No default extension is assumed. If oFSTarget does not exist, it is created. If it exists, this method attempts to open the file in exclusive mode and, if successful, the file is written to without warning or error. If access is denied because, for example, another process is using the file, NetErr() is set to TRUE and the data server's Status property is set.

kMode (Optional)

Type: Usual
A constant defining the copy mode, as shown in the table below:

Constant	Description
BLOB_EXPORT_APPEND	Appends to the file
BLOB_EXPORT_OVERWRITE	Overwrites the file—this is the default

Return Value

Reference