XmlFreeDoc
Description
This function releases the memory allocated for a XML document. It releases the specified tag and all its child tags. This function can also be used to delete a child tag and keep its parent tag in memory.
Inputs
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Input |
Data type |
Description |
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hRootTag |
DINT |
Handle of the XML document’s root tag. |
Outputs
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Output |
Data type |
Description |
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bOK |
BOOL |
TRUE if successful. |
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Memory management / Miscellaneous XmlManager: Main gatherer of XML data in memory. XmlLastError: Get detailed error report about last call. XmlNewDoc: Create an empty XML document. XmlFreeDoc: Release a XML document from memory. XmlParseDocTxb: Parse a XML document from text buffer. XmlParseDocFile: Parse a XML document form file. XmlWriteDocTxb: Format XML data to text buffer. XmlWriteDocFile: Format XML data to file. XmlGetTagName: Get name of a XML tag. XmlCheckTagName: Test the name of a XML tag. XmlGetTagCont: Get tag contents as STRING. XmlGetTagContT: Get tag contents as text buffer. XmlGetTagAttrib: Get tag attribute. XmlFirstChild: Start enumerating child tags. XmlNextChild: Enumerate child tags XmlSetTagAttrib: Set tag attribute. XmlSetTagCont: Set tag contents with STRING. XmlSetTagContT: Set tag contents with text buffer. XmlAddChild: Add a child tag. Exchanging variables using their name XmlGetSybValue: Get variable value using its symbol. XmlSetSybValue: Set variable value using its symbol. |
XmlFreeDoc |
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IEC 61131-3 Automation platform > Programming - Reference guide > Advanced operations > XML writing and parsing > Reading/writing documents > XmlFreeDoc |
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