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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Programming Looper controls based on a data file (prefix syntax)
These are the main concepts for programming Looper controls based on a data file......
HListFullTextIndex (Function)
Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine.
HChangeConnection (Function)
Dynamically changes the connection associated with a data file.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
HUpdateLink (Function)
Updates on the server all the links of an HFSQL Client/Server data file....
HSetTransaction (Function)
Enables or disables the management of transactions for one or more files.
Programming Looper control attributes (prefix syntax)
All the looper attributes can be handled by programming......
HListKey (Function)
Returns the list of keys found in a file (query or view) recognized by the HFSQL engine.
HListLink (Function)
Returns the list of links (Merise) in the current analysis or in a specific analysis
DnDIsDataAvailable (Function)
Checks whether a specific type of data is available during Drag/Drop....
WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
HTransactionFree (Function)
Transforms all the records "in transaction" into "Normal" records if these records do not belong to a transaction currently in progress.
HListItem (Function)
Returns the list of items: found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account. found in a Record variable....
HFilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
HLogRestart (Function)
Restarts the logging process on a file.
HLogStop (Function)
Stops the log process of a file.
Programming the looper attributes
All the looper attributes can be handled by programming......
HStatCalculate (Function)
Performs various statistical calculations on the file keys.
HIndex (Function)
Rebuilds the file index (".NDX" file).
Programming the browsing Looper controls
These are the main concepts for programming Looper controls based on a data file......
HLast (Function)
Sets the position on the last record of a data file according to a browse item.
HExecuteView (Function)
Runs a view that was created beforehand (can be used to refresh the view data for example). This function uses the former view mechanism.
HChangeKey (Function)
Changes the browse item.
The Button control
The Button control allows the user or the Web user to run a specific action with a simple click......