<Source>.FileExist (Function)

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<Source>.FileExist (Function)

In french: <Source>.FichierExiste

Used to find out if a data file exists, i.e. if it has been physically created (<Source>.Creation or <Source>.CreationIfNotFound).

Remark: The substitutions currently performed on the data file (by HSubstDir, <Source>.ChangeDir and <Source>.ChangeName) are taken into account.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Remark: From version 19, HFSQL is the new name of HyperFileSQL.

Versions 22 and later

This function is now available in Android Widget mode.

This function is now available for Java applications.

This function is now available for Android applications.

New in version 22

This function is now available in Android Widget mode.

This function is now available for Java applications.

This function is now available for Android applications.

This function is now available in Android Widget mode.

This function is now available for Java applications.

This function is now available for Android applications.

Example

// Check whether the "Customer" data file exists
IF Customer.FileExist() = True THEN
// Processes
...
END

Syntax

Checking the existence of a data file, query or view Hide the details

<Result> = <Source>.FileExist()

<Result>: Boolean

True if the physical file exists,
False otherwise.

<Source>: Type corresponding to the specified source

Name of element to use:
Name of data file.
Name of view or query.

Remarks

<Source>.FileExist can be used no matter whether the data file is opened or not.
<Source>.FileExist does not open the data file if it is closed.

Component: wd260hf.dll