XMLGetElement (FB)¶

FUNCTION_BLOCK XMLGetElement

Reads a xml element from file. Use the function block XMLGetElementAsync for large XML files to get the values asynchronously. To read from file set sFileName to file path and paDataArray = 0. To read from data array set sFileName = ‘’ and paDataArray to data pointer.

InOut:

Scope	Name	Type	Initial	Comment
Input	sFileName	STRING(255)		Path to a file
	udiStartPosition	UDINT		Start position in file to read elements. Use XMLElement.udiPosition´
	readMode	READ_MODE		Read mode
	paElements	POINTER TO XMLElement		Pointer to the result set
	udiMaxElements	UDINT		Maximum size of paElements
	xTruncateValues	BOOL	FALSE	true: All values that exceed the maximum value size will be truncated
	paDataArray	POINTER TO BYTE	0	Pointer to XML data array, if 0 read from file (sFileName)
	udiDataArraySize	UDINT	0	Size of paDataArray
Output	eError	ERROR		Error
	udiCountElements	UDINT		Number of elemnents in paElements#
	udiNextReadPos	UDINT		Position in file (in bytes) of the next xml element, 0 if last element
	eEncoding	Encoding		Encoding of the xml file