Difference between revisions of "OBJECTREAD()"
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Revision as of 07:58, 10 December 2012
Contents
Purpose
Function to read an external binary file into an object field
Syntax
OBJECTREAD(<filename>,<object field>)
See Also
BINCREATE(), BINCLOSE(), BINOPEN(), BINREAD(), BINWRITE(), OBJECTSIZE(), OBJECTTYPE(), OBJECTWRITE()
Description
The OBJECTREAD() function reads an external binary file into a Lianja Object field. It returns .T. if the operation was successful, and .F. otherwise.
The file to read in is specified in <filename>, and can be any valid Lianja/4GL expression that returns a valid file name. The first three characters of the file extension are stored in the Object field as the object's type, as returned by the OBJECTTYPE() function.
The field into which the file is placed is specified in <object field>, and must be a Lianja Object field in the currently selected workarea.
Example
? objectread('images/brickwall.gif',WALLPAPER) .T.
