[DUG] CreateProcess
Robert martin
rob at wildsoft.co.nz
Thu Oct 26 13:51:04 NZDT 2006
Thanks :)
Rob Martin
Software Engineer
phone +64 03 377 0495
fax +64 03 377 0496
web www.chreos.com
Wild Software Ltd
John Bird wrote:
> Cmd /c is from the help:
>
> Starts a new instance of the Windows XP command interpreter
>
> CMD [/A | /U] [/Q] [/D] [/E:ON | /E:OFF] [/F:ON | /F:OFF] [/V:ON | /V:OFF]
> [[/S] [/C | /K] string]
>
> /C Carries out the command specified by string and then terminates
> /K Carries out the command specified by string but remains
>
> You have to be aware when its needed and when it isn't. For instance I
> usually use ShellExecute, and if the command has the .BAT on the end and the
> windows assocation for running a .BAT extension is in place then it make the
> association with CMD itself. Specifying CMD/C will remove any uncertainty.
>
> Remember if you run such a command on Windows 9x or ME then you need to use
> instead COMMAND/C
>
>
> John
>
>
> -----Original Message-----
> From: delphi-bounces at ns3.123.co.nz [mailto:delphi-bounces at ns3.123.co.nz] On
> Behalf Of Robert martin
> Sent: Thursday, 26 October 2006 11:10 a.m.
> To: lbisman at clear.net.nz; NZ Borland Developers Group - Delphi List
> Subject: Re: [DUG] CreateProcess
>
>
> Hi
>
> You are the man Laurie. That seems to work great now!
>
> btw what does the /c do?
>
> Rob Martin
> Software Engineer
>
> phone +64 03 377 0495
> fax +64 03 377 0496
> web www.chreos.com
>
> Wild Software Ltd
>
>
>
> lbisman wrote:
>
>> Should that pChar string be 'cmd /c MySQLExport.bat' as it's the
>> command interpreter that usually runs batch files...
>>
>> Laurie..
>>
>>
>> ----- Original Message Follows -----
>>
>>
>>> Hi
>>>
>>> I am trying to use create process to run a batch file.
>>> The batch file exports a MySQL DB to a file. The batch
>>> file runs but the file is 0kb however if run that batch
>>> file normally (not from CreateProcess) the file is
>>> correctly created (about 2MB). The code I am using is
>>> shown below, does anyone have any idea as to what I am
>>> doing wrong?
>>>
>>>
>>> var
>>> proc_info : TProcessInformation;
>>> startinfo : TStartupInfo;
>>> ExitCode : longword;
>>> begin
>>> Result := False;
>>>
>>> // Initialize the structures
>>> FillChar(proc_info, sizeof(TProcessInformation), 0);
>>> FillChar(startinfo, sizeof(TStartupInfo), 0);
>>> startinfo.cb := sizeof(TStartupInfo);
>>>
>>> // Attempts to create the process
>>> if (CreateProcess(Nil,
>>> pChar('MySQLExport.bat'),
>>> nil,
>>> nil,
>>> false,
>>> NORMAL_PRIORITY_CLASS,
>>> nil,
>>> pChar(AppDir),
>>> startinfo,
>>> proc_info) <> False) then begin
>>> // Process created, now s wait till it ends...
>>> WaitForSingleObject(proc_info.hProcess, INFINITE);
>>>
>>> GetExitCodeProcess(proc_info.hProcess, ExitCode);
>>> CloseHandle(proc_info.hThread);
>>> CloseHandle(proc_info.hProcess);
>>>
>>> Sleep(5000); //Wait 5secs just to allow any
>>> windows cleanup or other to finish
>>>
>>> if (FileExists(AppDir + BASE_FILE) = True) then begin
>>> if (CreateZipFile = True) then begin
>>> Result := True;
>>> end;
>>> end;
>>> end;
>>> end;
>>>
>>> --
>>> Rob Martin
>>> Software Engineer
>>>
>>> phone +64 03 377 0495
>>> fax +64 03 377 0496
>>> web www.chreos.com
>>>
>>> Wild Software Ltd
>>>
>>> _______________________________________________
>>> Delphi mailing list
>>> Delphi at ns3.123.co.nz http://ns3.123.co.nz/mailman/listinfo/delphi
>>>
>>>
>> Laurie..
>> _______________________________________________
>> Delphi mailing list
>> Delphi at ns3.123.co.nz http://ns3.123.co.nz/mailman/listinfo/delphi
>>
>>
>>
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