Application file

Home

4D v20 R7

Application file


Application file -> Function result

Parameter	Type	Description
Function result	String	Long name of the 4D executable file or application

Description

The Application file command returns the long name of the 4D executable file or application you are running.

On Windows
If, for example, you are running 4D located at \PROGRAMS\4D on the volume E, the command returns E:\PROGRAMS\4D\4D.EXE.

On Macintosh
If, for example, you are running 4D in the Programs folder on the disk Macintosh HD, the command returns Macintosh HD:Programs:4D.app.

Example

At startup on Windows, you need to check if a DLL Library is correctly located at the same level as the 4D executable file. In the of your application you can write:

 If(Is Windows&(Application type#4D Server))

    C_OBJECT($appPath)

    $appPath:=Path to object(Application file)

    If(Test path name(($appPath.parentFolder)+"XRAYCAPT.DLL")#Is a document)

       ALERT("XRAYCAPT.DLL is missing. The X-ray capture capability will not be available.")

    End if

 End if