This will happen if Citect is running
while windows is locked--either by the user or automatically when
the screen saver activates.
If the PC is in a secure room and locking the desktop is not
required, leaving it unlocked will eliminate the problem. If the PC
must be locked, then an alternate method will have to be used. For
example, if a document needs to be printed from an external
program, it may be possible to use command-line options instead of
sending keystrokes to open the document and print it (Q4168):
Exec("notepad.exe /p c:\report.txt", 6);
If the program accepts DDE commands, the DDEExec() function may
be used to execute commands (macros). For example, after creating a
spreadsheet, these commands will save the file and close Excel:
DDEExec("excel.exe", "[Close(1)]");
DDEExec("excel.exe", "[Quit]");
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