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useing sfc20

Created by: ertsky at: 12/24/2010 11:18 AM (2 Replies)

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12/24/2010 11:18 AM	Rate (0)
ertsky Advanced Member Joined: 11/18/2009 Last visit: 1/18/2023 Posts: 16 Rating: (0)	hi, I want to connect number of "SRCBLK :=DB301" with some memory area. I am not competence in STL somebody help me? CALL SFC 20 SRCBLK :=DB301 RET_VAL:=DB280.DBW0 DSTBLK :=DB299 for only show what I want to do CALL SFC 20 SRCBLK := DB [MW100] RET_VAL:=DB280.DBW0 DSTBLK :=DB299

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12/25/2010 1:26 PM	Rate (0)
Aret Posts: 2348 Rating: (259)	SRCBLK is pointer of type ANY. When you call SFC20 with SRCBLK:=DB301 actually it's trasferred into SRCBLK:= P#DB301.DBX0.0 BYTE 100 (assuming you have 100 bytes in that DB). Now what are you trying to do is makingP#DB[DB_No].DBX0.0 BYTE [DB_Length]. To make this you should create TEMP variable of type ANY - let it be ptrANY and then fill it Guess this link would be usefull
Aret Posts: 2348 Rating: (259)	Last edited by: Aret at: 12/25/2010 1:27 PM
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12/27/2010 11:08 AM	Rate (0)
ertsky Advanced Member Joined: 11/18/2009 Last visit: 1/18/2023 Posts: 16 Rating: (0)	thank you very much your help .

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