INSERT (FUN)ΒΆ
FUNCTION INSERT : IString
Inserts a partial string into another string at a specific position
Returns 0 in case of 
eErrorID <> ERROR.NO_ERROR- InOut:
- Scope - Name - Type - Comment - Return - INSERT- Input - itfString- String into which - itfPartialis inserted- itfPartial- String to be inserted into - itfString- udiStart- UDINTInsert position.- 0: Inserts before the first rune- 1: Inserts after the first rune.- itfResource- The resource that this function is working on. It will contain the result after the function call and will also be returned by this function so it can be used in nested calls. - Output - eErrorID