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New WINDEV, WEBDEV, WINDEV Mobile 25 feature!
  • Binary Memo item that is using HFSQL thumbnails
  • Managing memos in SQLite
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Others
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.
Example
WINDEVWEBDEV - Server codeReports and QueriesJavaPHPAjaxUser code (UMC)
Customer.ExtractMemo(Photo, "C:\temp\Photo.gif")
Windows Mobile
Customer.ExtractMemo(Photo, "\temp\Photo.gif")
Syntax

Extracting a memo Hide the details

<Result> = <Source>.ExtractMemo(<Memo item> [, <Destination file>])
<Result>: Boolean
  • True if the operation was performed,
  • False if a problem occurred. HError is used to identify the error.
<Source>: Type corresponding to the specified source
Name of data file (query of view) used.
<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.
OLE DBNative Connectors (Native Accesses) This parameter is mandatory because the name of the source file is not saved in the OLE DB memos.
AndroidAndroid Widget PHP This parameter must necessarily be specified.
Remarks
WINDEVWEBDEV - Server codeReports and QueriesiPhone/iPadUniversal Windows 10 AppWindows MobileAjaxUser code (UMC)HFSQLHFSQL 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 25
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