How I launch an appication using shellexecute in VC++?

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I want to launch a Cad drawing file but it is launching only the application Progecad and not its drawing. I'm working in VC++

What I have tried:

<pre lang="c++"> ShellExecute(NULL, "open", "C:\\Program Files\\PSOFT\\progeCAD 2019 Professional ENG\\pcad.exe",""C:\Users\Max\Desktop\cad link trial.dxf", NULL, SW_SHOW);

It is just opening ProgeCad and not the drawing. Whats wrong?
also tried to give path name as

"C:\\Users\\Max\\Desktop\\cad link trial.dxf"

but it doesn't work.

Posted 7-Nov-19 5:04am

Member 14630688

Updated 7-Nov-19 5:50am

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Richard MacCutchan · Answer 1 · 2019-11-07T05:50:00

The first example above will fail because it is badly formed (single \, double double quotes ...). The second string is correct, but you need to be sure that this program accepts a filename and automatically opens it. Try the following in a command window:

"C:\Program Files\PSOFT\progeCAD 2019 Professional ENG\pcad.exe" "C:\Users\Max\Desktop\cad link trial.dxf"

Type all the above text on the same line separated by a space, not as two lines.

Note also, in this case you need single backslash characters, and you do need the double quotes around both strings.