ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
Linear Looper control properties
AIDetectDrawing (Function)
Classifies freehand drawings, including circles, squares and triangles.
Defining colors in Table controls
The colors of a Table control (row background, text of rows, etc.) are defined in the control...
PageToEmail (Function)
Emails the data found in a page currently displayed in the browser.
MatFill (Function)
Initializes all the elements found in a matrix of a given size.
Radial Bar chart
The "Image gallery" Looper control is used to manage the display of a set of images without...
Using Java code
You can use Java code: in Java applications generated with WINDEV. in Android applications...
ExeRun (Function)
Executes a program (an executable file, for example) from the current application.
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used...
Handling an Edit control programmatically
You can handle Edit controls programmatically......
Calculations in the columns of a Table control
When a Table control contains numeric data, it may be useful to get the total of a column or count...
RulerModifiable (Property)
The RulerModifiable property is used to: Find out whether the user can move the playhead...
C#: Call to WLanguage procedure
A global procedure in WLanguage can be directly called from the code of a global procedure in C#......
7. Available controls in a window
WINDEV Mobile includes several types of controls...
"END:" label
The END: label is used to define a code that will be systematically run at the end of process...
Various constants
List of various constants....
Handling a formatted display control through programming
WEBDEV allows you to handle a formatted display control through programming......
BurnerSave (Function)
Burns the files found in the compilation onto the CD or DVD.
rssEntry (Type of variable)
The rssEntry type is used to handle a RSS stream entry...
Commands of the external interface
Binding a Combo Box control to an item
grOrigin (Function)
Modifies the start and end marks on one of the chart axes.
Programming the table cells
The Table controls can be handled......
HTML control properties
You can manipulate HTML controls in a window, page or report using the following WLanguage...
Properties associated with Tab controls
A Tab control found in a window or in a page can be handled by several WLanguage properties......