ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
HForward (Function)
Moves several records forward from the current position in the data file, according to a specified item.
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
HReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
HOnError (Function)
Customizes the management of HFSQL errors.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
OCRDetectTextArea (Function)
Returns all text areas of an image without reading the text.
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries......
HOptimize (Function)
Used to handle the idle periods of a software (period without processes) to optimize the queries and the browses that will be run thereafter.
HDescribeFile (Function)
Describes a data file programmatically.
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
Opening, closing and saving a query
The query editor allows you to easily handle the queries....
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries......
Conversion (Function)
Converts a value from a unit to another one.
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
WINDEV Mobile concepts
BitcoinCoreHashRate( Function)
Returns the number of times the sha256 function had to be calculated per second to calculate the last block.. This number corresponds to a proof of work.
WDMSG
You can create multilingual projects in WINDEV, WEBDEV or WINDEV Mobile......
BitcoinCoreDateTimeLatestBlock( Function)
Returns the date and time when the last block was created.
BitcoinCoreBlockCount( Function)
Returns the size of the blockchain known by the Bitcoin node (i.e. the number of blocks created since January 3, 2009). This makes it possible, for example, to calculate the approximate date of the next halving.
HExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.
Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective......
HReadFirst (Function)
Sets the position on the first record according to a browse item.
HReadNext (Function)
Sets the position on the next data file record according to a browse item.
Operations in a Select query
The query editor allows you to perform operations on the values of an item......