ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Val (Function)
Returns the numeric value of a character string.
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.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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, ...
<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.
<Source>.ReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal...
<Source>.ReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought...
NullIfEmpty (Property)
The NullIfEmpty property is used to: Find out whether the value returned by the control is NULL...
HReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal...
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought...
iCloudKeyValueWatch (Function)
Defines the procedure called when the value of a key is changed in an Apple iCloud-based container...
Enumeration (Type of variable)
An enumeration is a set of values......
Get (External language)
Retrieves the value of a control.
LoadParameter (Function)
Reads a persistent value.
Handling a control through programming in a report
All report controls can be handled through programming......
List,Search (External language)
Finds a value in a list.
ReturnedValue (Property)
The ReturnedValue property is used to: Get and change the value returned by a window, page...
Arithmetic operators
The arithmetic operators are......
RichEdit (Property)
The RichEdit property is used to manage the RTF (Rich Text Format) type: of an edit control...
Binding a Spin control to an item
A Spin control can be bound to an item in a data file, query, etc....
Screen,Get (External language)
Retrieves the value in a control or in a variable.
LocalStorageAdd (Function)
Adds a value to the local storage.
LocalStorageDelete (Function)
Deletes a value from the local storage.
MemcachedIncrement (Function)
Increments the value associated with a key.
<Chart>.IncreaseData (Function)
Adds a value to a data in a chart.
<Certificate variable>.ExtractExtensionValue (Function)
Returns the value of a certificate extension.
VariableReset (Function)
Resets the variable to its initial value.
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