szName STRING(SYSTASK_MAX_STRING_LEN

..65535 uiReadLen UINT 1 [...] , range 0..65535 uiWriteLen

to the option value diOptionLen

to the option value diOptionLen

to the option value pdiOptionLen

TO STRING nNodeNameLen

Output LEN UDINT

IsNullOrEmptyW (Function) StrLen

TypeDesc (Method) GetTypeDescVarLen

to receive buffer udiLen