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                      FOXPRO COMMAND-LINE OPTIONS (UNDOCUMENTED)
                                 July 2019
                 ----------------------------------------------------
                                    CCB



1. THE COMMAND-LINE OPTIONS (from dv_foxhelp9.chm):

     Visual FoxPro Advanced (10.0.0.0) Language Reference.
     How to Use Command-Line Options When Starting Visual FoxPro
 
     In addition to using the SET command and a configuration file, you can specify startup options by including
     a command-line switch. For example, using command-line options, you can suppress the display of the Visual
     FoxPro splash screen, which displays at the startup of Visual FoxPro, or specify a nondefault configuration
     file.
	
     To use a command-line switch:
     On the command line or in a shortcut, add the switch after the name of the Visual FoxPro executable file,
     VFPVersionNumber.exe where VersionNumber represents the version number of this release or any Visual 
     FoxPro-created .exe file. 

     Note:
     If the command-line switch requires arguments, such as a file name, do not put a space between the switch
     and the argument. For example, to specify a configuration file, use a command such as:
     "C:\Program Files\Microsoft Visual FoxPro VersionNumber\VFPVersionNumber.exe" -CC:\MYAPP.FPW
     Separate multiple options with single spaces.

     The following table lists the command-line switches available in Visual FoxPro:

     ---------------------------------------------------------------------------------------------------------------
     | Switch               | Description                                                                          |
     ---------------------------------------------------------------------------------------------------------------
     | -A                   | Ignore the default configuration file and Windows registry settings.                 |
     |                      | The command-line switch has been removed in Visual FoxPro Advanced runtime.          |
     ---------------------------------------------------------------------------------------------------------------
     | -AUTOMATION          | Run as a COM server program.                                                         |
     ---------------------------------------------------------------------------------------------------------------
     | -BFileName,Duration  | Display a custom bitmap (.bmp), .gif, or .jpg graphic file and specify its display   |
     |                      | duration in milliseconds when Visual FoxPro starts. You can also include the -B      |
     |                      | command-line switch in a Visual FoxPro shortcut. If the bitmap you specify cannot    |
     |                      | be located,the bitmap does not display when Visual FoxPro starts.                    |
     ---------------------------------------------------------------------------------------------------------------
     | -CFileName           | Specify a configuration file, including a path if necessary, other than the default  |
     |                      | file, Config.fpw.                                                                    |
     ---------------------------------------------------------------------------------------------------------------
     | -DFileName           | In earlier versions, specify a runtime support library file.                         |
     |                      | The command-line switch has been removed in Visual FoxPro Advanced.                  |
     ---------------------------------------------------------------------------------------------------------------
     | -E                   | In earlier versions, prevent use of all expanded memory.                             |
     |                      | The command-line switch has been removed in Visual FoxPro Advanced.                  |
     ---------------------------------------------------------------------------------------------------------------
     | -EMBEDDING           | The command-line switch is the same as the command-line switch -AUTOMATION, run as   |
     |                      | a COM server program.                                                                |
     ---------------------------------------------------------------------------------------------------------------
     | -K                   | In earlier versions, prevent attempts to use F11 or F12.                             |
     |                      | The command-line switch has been removed in Visual FoxPro Advanced.                  |
     ---------------------------------------------------------------------------------------------------------------
     | -LFileName           | Specify a resource file, including a path if necessary, other than the default,      |
     |                      | vfp*ENU.dll, so you can use Visual FoxPro in a language other than the current       |
     |                      | language specified by Windows.                                                       |
     |                      | The command-line switch has been removed in Visual FoxPro Advanced.                  |
     ---------------------------------------------------------------------------------------------------------------
     | -NOLOGO              | The command-line switch is the same as the command-line switch -T, suppress the      |
     |                      | display of the Visual FoxPro splash screen.                                          |
     ---------------------------------------------------------------------------------------------------------------
     | -R                   | In earlier versions, refresh the Windows registry with information about Visual      |
     |                      | FoxPro, such as associations for Visual FoxPro files. In later versions, use the     |
     |                      | command-line switch /regserver.                                                      |
     |                      | The command-line switch has been removed in Visual FoxPro 6.0 and later.             |
     ---------------------------------------------------------------------------------------------------------------
     | -REGSERVER           | Register Visual FoxPro default registry keys.                                        |
     |                      | REGSVR32 server.dll: Register a .dll component.                                      |
     ---------------------------------------------------------------------------------------------------------------
     | -SHELL               | In earlier versions, open or run the file with Visual FoxPro.                        |
     |                      | In Visual FoxPro Advanced, the command-line switch is the same as the command-line   |
     |                      | switch -SHELLOPEN, open the file with Visual FoxPro.                                 |
     ---------------------------------------------------------------------------------------------------------------
     | -SHELLOPEN           | Open the file with Visual FoxPro. Available in Visual FoxPro 7.0 and later.          |
     ---------------------------------------------------------------------------------------------------------------
     | -SHELLPRINT          | Print the file with Visual FoxPro. Available in Visual FoxPro 7.0 and later.         |
     ---------------------------------------------------------------------------------------------------------------
     | -SHELLPRINTTO        | Print the file with Visual FoxPro. Available in Visual FoxPro 7.0 and later.         |
     ---------------------------------------------------------------------------------------------------------------
     | -SHELLRUN            | Run the file with Visual FoxPro. Available in Visual FoxPro 7.0 and later.           |
     ---------------------------------------------------------------------------------------------------------------
     | -T                   | Suppress the display of the Visual FoxPro splash screen. By default, when Visual     |
     |                      | FoxPro starts, it displays a splash screen that shows the Visual FoxPro logo,        |
     |                      | version number, and other information. If you prefer that users of your application  |
     |                      | not see this splash screen, you can prevent Visual FoxPro from displaying it using   |
     |                      | the -T command-line switch.                                                          |
     ---------------------------------------------------------------------------------------------------------------
     | -UNREGSERVER         | Remove Visual FoxPro default registry keys.                                          |
     |                      | REGSVR32 /u server.dll: Remove a .dll component.                                     |
     ---------------------------------------------------------------------------------------------------------------
     | /?                   | List the available command-line arguments. Available in Visual FoxPro 7.0 and later. |
     ---------------------------------------------------------------------------------------------------------------

     For the command-line:
     "X:\Myapp\my.exe" 1234 "two items" 12/25/2002 .T.
     It will be converted to the Visual FoxPro command:
     DO "X:\Myapp\my.exe" WITH "1234", "two items", "12/25/2002", ".T."

     In Visual FoxPro 9.0 and earlier versions, the command-line options can only use <= 255 bytes.
     In Visual FoxPro Advanced, the command-line options can use <= 8191 bytes.

     In Visual FoxPro 9.0 and earlier versions, recommend to don't use the following command-lines to pass parameters:
     "X:\Myapp\my.exe" /Asomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Bsomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Csomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Dsomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Esomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Lsomestring && reserved for Visual FoxPro
     "X:\Myapp\my.exe" /Tsomestring && reserved for Visual FoxPro

     In Visual FoxPro Advanced, recommend to don't use the following command-lines to pass parameters:
     "X:\Myapp\my.exe" /Bsomestring && reserved for Visual FoxPro Advanced
     "X:\Myapp\my.exe" /Csomestring && reserved for Visual FoxPro Advanced
     "X:\Myapp\my.exe" /Tsomestring && reserved for Visual FoxPro Advanced


2. REFERENCE WEBSITES:

     1, baiyujia.com:
     http://www.baiyujia.com
     http://www.baiyujia.com/vfpdocuments/f_vfp9fix82.asp

     2, microsoft.com:
     https://social.msdn.microsoft.com/Forums/en-US/feeea559-4183-4fed-9081-3879e0d087de/command-line-parameters-length-limitation

     3, tek-tips.com:
     https://www.tek-tips.com/viewthread.cfm?qid=1062921
     https://www.tek-tips.com/viewthread.cfm?qid=1752644

     4, berezniker.com:
     https://www.berezniker.com/content/pages/visual-foxpro/how-pass-parameters-vfp-exe

     5, foxite.com:
     https://www.foxite.com/archives/how-to-get-a-foxpro-apps-command-line-0000076805.htm

     6, devx.com:
     http://www.devx.com/tips/Tip/26194

     7, computer-programming-forum.com:
     http://computer-programming-forum.com/2-vfp/f327d708fa9bbb59.htm
     http://computer-programming-forum.com/2-vfp/b1212bd705b10be6.htm


3. OTHER:

     For reference only, there is no guarantees.

     Any questions or suggestions, please send me an email at ccb2000@163.com.