CopyDocument
This method copies the contents of the DOM memory into a variable of data type STRING, which can have any length. The method returns the length of the string (including null termination). If the destination buffer is too small, it is emptied by a null termination and returned as length 0.
Syntax
METHOD CopyDocument : UDINT
VAR_INPUT
nDoc : DINT;
END_VAR
VAR_IN_OUT CONSTANT
pDoc : STRING;
END_VAR
Return value
Name | Type |
|---|---|
CopyDocument | UDINT |
Inputs
Name | Type |
|---|---|
nDoc | DINT |
/ Inputs/Outputs
Name | Type |
|---|---|
pDoc | STRING |
Sample call:
nLen := fbJson.CopyDocument(sJson, SIZEOF(sJson));