Run external software from Matlab using system() with admin rights

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Janos Keresztes
Janos Keresztes 2018-5-2
评论： Jan 2023-1-22
Hi,
I am trying to run a software from my Matlab script with admin rights. Once lunched, it doesn't have admin rights, and I can't communicate with it using .NET commands. I set the external software to run automatically in admin mode, which is done when I double click on it (works with the .NET commands), but not when started from Matlab.
LTPath = 'C:\...\lt.exe';
proc=System.Diagnostics.Process.Start(LTPath);
I have windows 10 64 bit, I am administrator. I use Matlab 2017b.
Thanks !
  1 个评论
Janos Keresztes
Janos Keresztes 2018-5-22
dear Jan, thank you for your answer. Unfortunately, I got the following error. I also tried using proc=System.Diagnostics.Process.Start(LTPath, uname, password, domain); but got the error: No method 'Start' with matching signature found for class 'System.Diagnostics.Process'.
Error in WS3 (line 12) proc=System.Diagnostics.Process.Start(LTPath, uname, password, domain);
Do you have any suggestions?
Thanks.

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回答（2 个）

Guillaume
Guillaume 2018-5-22
but got the error: No method 'Start' with matching signature found for class 'System.Diagnostics.Process'.
That's because the 3rd argument to Start is a System.Security.SecureString, not a plain string. You could construct that SecureString with:
password = 'secret';
securestring = System.Security.SecureString;
for c = password
securestring.AppendChar(c);
end
System.Diagnostics.Process.Start(LTPath, user, securestring, domain)
Whether or not that'll help you launching the process with admin privileges, I have no idea.
Jan
Jan 2018-5-2
You can try this: Create a file "LT_AsAdmin.vbs":
Set UAC = CreateObject^("Shell.Application"^)
UAC.ShellExecute "C:\...\lt.exe", "ELEV", "", "runas", 1
Then start this VBS script by system.
UNTESTED! I can not run it by myself currently.
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Pavel Kliuiev
Pavel Kliuiev 2023-1-20
Thanks Jan! Would you mind providing a code snippet? I tried LTPath = "path/to/file.exe arg1 arg2"; uac.ShellExecute(LTPath, "ELEV", "", "runas", 1); for example, and it did not work. arg1 and arg2 are strings.
Jan
Jan 2023-1-22
Ran in:
I have no chance to guess, what "did not work" means. Please explain the details.
Do you really want to provide the strings "arg1" and "arg2" as inputs? They are not variables, but literally "arg1". Maybe you mean:
arg1 = "all";
arg2 = "Match";
LTPath = "path/to/file.exe " + arg1 + " " + arg2
LTPath = "path/to/file.exe all Match"

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