GetSymbolNameByAddress
This method returns the complete (ADS) symbol name of a transferred symbol.
The maximum size of the string returned by the method is 255 characters. With longer strings, the method will return a null string. In this case the method CopySymbolNameByAddress() must be used.
Syntax
METHOD GetSymbolNameByAddress : STRING(255)
VAR_INPUT
nData : UDINT;
pData : PVOID;
END_VAR
VAR_OUTPUT
hrErrorCode : HRESULT;
END_VAR
Return value
Name | Type |
|---|---|
GetSymbolNameByAddress | STRING(255) |
Inputs
Name | Type |
|---|---|
nData | UDINT |
pData | PVOID |
Outputs
Name | Type |
|---|---|
hrErrorCode | HRESULT |
Sample call:
sBuffer := fbJsonDataType.GetSymbolNameByAddress(SIZEOF(stValues), ADR(stValues));