WDELETE (FUN)ΒΆ
FUNCTION WDELETE : WSTRING(255)
Delete LEN wcharacters of STR, beginning at the POS-th character position. POS = 1 is the first character.
Note
The current implementation is unfortunately not correct for the case 
Pos=0. The implementation cannot be changed for compatibility reasons.If 
Pos=0 is used, the parameter LEN is internally reduced by one!It is generally recommended to use values in the range specified by IEC 61131-3. The smallest value for 
Pos is specified there as 1.- InOut:
- Scope - Name - Type - Return - WDELETE- WSTRING(255)- Input - STR- WSTRING(255)- LEN- INT- POS- INT
