KB#00555-Error 70 using DDE

Title:

Error 70 using DDE

Description:

An Error 70 can occur when attempting a DDE communication to another Windows application. Here's an example: 

0010 OPEN (1,MODE="DDECLIENT")"EXCEL:\tmp\book1.xls" 
>run 
!ERROR=70 (Network user error (TCB(10)=6)) 


The error is usually caused by one of two things: 
1) The external application isn't running. 
2) The specified spreadsheet file doesn't exist or isn't specified correctly. 

Resolution:

First, ensure that the Windows application that you are attempting to communicate with is already running. If not, it can either be invoked normally, or Visual PRO/5 can invoke it via an SCALL(). 

If the problem remains, it indicates that a specified file or other conversational parameter is missing or incorrect. In the above example, Visual PRO/5 requested that Excel open a file named book1.xls. However, the file was not specified with a fully qualified path--the disk drive was missing. To resolve this, ensure that the file is fully qualified.

Last Modified: 01/28/1998 Product: Visual PRO/5 Operating System: N/A Windows Error Number: 70 OS Error: 6

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