Getting Comand Line Arguments

[reneb]

I have a Dialog based MFC Application. I want to retrieve the command line arguments on the InitInstance() function of my App Class. How do I do this if the function has no parameters? Thanks in advance.

 

[dds82]

The command line is stored as a member of your CWinApp-derived class as m_lpCmdLine. You can parse this variable however you want.

 

[TGM]

Hi

The brave guys at Microsoft have designed something to parse command line the easy way ( hmmmm...)

First set up a class as followed:

class CDemoCmdLineInfo : public CCommandLineInfo
{
// Constrcutor
public:
CDemoCmdLineInfo();

// Overrides
// Parse Parameters of Command Line
virtual void ParseParam( const char* pszParam, BOOL bFlag, BOOL Last);
};

CDemoCmdLineInfo::CDemoCmdLineInfo()
{

}

void CDemoCmdLineInfo:arseParam( const char* pszParam,
BOOL bFlag, BOOL Last)
{

CString strParam = pszParam;
CString str;

str.Format( "Parameter ::%s:: Last One ? %s \n", pszParam, Last ? "TRUE" :"FALSE"
::OutputDebugString( str);

CCommandLineInfo:arseParam( pszParam, bFlag, Last);
}

Add the following line in OnInitInstance:

// Parse Parameters of Command Line

CDemoCmdLineInfo CmdLine;

ParseCommandLine( CmdLine);

Just before the line
int nResponse = dlg.DoModal();

To test it, modify the settings 'Program Arguments' in the 'Debug Tab' to something like this;

-Modeemo -Line:1234 -File:c:\demo

If you run the program, you should have the following lines in the 'Debug' tag of the Output window

Parameter ::Modeemo:: Last One ? FALSE
Parameter ::Line:1234:: Last One ? FALSE
Parameter ::File:c:\demo:: Last One ? TRUE

Of course, now you'll have to dig a few in the doc. and handle the possible erroneous parameters entered by the user. At least, you already got them.
Note that -Mode:, -Line:, .. are not required.

HTH

Thierry
EMail: Thierry.Marneffe@swing.be