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  • Binary Memo item that is using HFSQL thumbnails
  • Managing memos in SQLite
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Stored procedures
Extracts the content of a binary memo item from an HFSQL data file, from a query or from an HFSQL view into a physical file (on disk).
Versions 15 and later
Android This function is now available for Android applications.
New in version 15
Android This function is now available for Android applications.
Android This function is now available for Android applications.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Android Widget This function is now available in Android Widget mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Android Widget This function is now available in Android Widget mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Remark: From version 19, HFSQL is the new name of HyperFileSQL.
Windows Mobile
HExtractMemo(Customer, Photo, "\temp\Photo.gif")
Syntax

Extracting a memo Hide the details

<Result> = HExtractMemo(<Data file> , <Memo item> [, <Destination file>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<Data file>: Character string (with or without quotes)
Name of data file (query of view) used. If this name is not specified, HExtractMemo handles the last data file used by the last function for HFSQL management (starting with the letter H).
<Memo item>: Character string (with or without quotes)
Name of the item containing the binary memo to extract.
<Destination file>: Optional character string (with quotes)
Path and full name of the file where the content of the item must be saved. If this parameter is not specified, the binary memo is saved in its initial path and file. The creation date and the date of last modification of this file are restored.
Native Connectors (Native Accesses) This parameter is mandatory because the name of the source file is not saved in the OLE DB memos.
AndroidAndroid Widget This parameter must necessarily be specified.
Versions 19 and later
Windows Mobile

Extracting a memo from a Record variable Hide the details

<Result> = HExtractMemo(<Memo item> [, <Destination file>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<Memo item>: Record variable
Name of the item containing the binary memo to extract. Use the following notation: <Name of Record variable>.<Name of Memo item>.
<Destination file>: Optional character string (with quotes)
Path and full name of the file where the content of the item must be saved. If this parameter is not specified, the binary memo is saved in its initial path and file. The creation date and the date of last modification of this file are restored.
Native Connectors (Native Accesses) This parameter is mandatory because the name of the source file is not saved in the OLE DB memos.
New in version 19
Windows Mobile

Extracting a memo from a Record variable Hide the details

<Result> = HExtractMemo(<Memo item> [, <Destination file>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<Memo item>: Record variable
Name of the item containing the binary memo to extract. Use the following notation: <Name of Record variable>.<Name of Memo item>.
<Destination file>: Optional character string (with quotes)
Path and full name of the file where the content of the item must be saved. If this parameter is not specified, the binary memo is saved in its initial path and file. The creation date and the date of last modification of this file are restored.
Native Connectors (Native Accesses) This parameter is mandatory because the name of the source file is not saved in the OLE DB memos.
Windows Mobile

Extracting a memo from a Record variable Hide the details

<Result> = HExtractMemo(<Memo item> [, <Destination file>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<Memo item>: Record variable
Name of the item containing the binary memo to extract. Use the following notation: <Name of Record variable>.<Name of Memo item>.
<Destination file>: Optional character string (with quotes)
Path and full name of the file where the content of the item must be saved. If this parameter is not specified, the binary memo is saved in its initial path and file. The creation date and the date of last modification of this file are restored.
Native Connectors (Native Accesses) This parameter is mandatory because the name of the source file is not saved in the OLE DB memos.
Remarks
iPhone/iPadWindows MobileUniversal Windows 10 AppHFSQLHFSQL Client/ServerStored procedures

Binary Memo item that is using HFSQL thumbnails

To extract the content of an HFSQL thumbnail from an HFSQL item, use ..Thumbnail.
See HFSQL thumbnails for more details.
Native Connectors (Native Accesses)

Managing memos in SQLite

Storing information in memo format is recommended for the data whose size is less than 1 MB. We advise you to directly save the data in external file format on the internal or external memory of the phone and to store the access path to this data in the database.
Component : wd250hf.dll
Minimum version required
  • Version 9
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