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Version: 2026

sysNotificationInput (Type of variable)
The sysNotificationInput type is used to define all the advanced features of an input control, such as a text input or combo box control, in an interactive notification.
Creating and testing a query with parameters
Regardless of the query type (Select, Insert, Delete, Update) and regardless of its creation mode (with the wizard or by SQL directly), you have the ability to use parameters. The name of the parameter is specified when creating the query....
XMLAddAttribute (Function)
Adds an attribute into an XML document.
Creating a table in a report
Tables can be created in a report......
Composite keys
A composite key is a key item containing several other items......
Transactions: Secure your processing of HFSQL tables
This chapter presents the following topics......
Managing the groups and users (HFSQL Client/Server)
To simplify the management of users and groups of users, the HFSQL Client/Server engine uses several variables allowing you to easily define the characteristics of groups and users......
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
HDBDescribeFile (Function)
Describes a file in dBase3 format (most common format) through programming.
Complete (Function)
Returns a character string of a specified length.
CameraParameter (Function)
Returns or modifies the value of a parameter for the device camera. Function kept for "Version-26-compatible" Camera controls....
ChangeSourcePage (Function)
Dynamically changes the page displayed in an Internal Page control
Variables for managing the Drag and Drop
The Compression property is used to manage data compression during a connection (HFSQL Client/Server, etc.)...
SysScreenOrientation (Function)
Allows you to: know the orientation of the device screen (Android or iOS phone). set the screen orientation of the device (Android phone)....
Code editor: Snake_case or PascalCase
There are several naming conventions to write variables in the code......
StatVarianceP (Function)
Calculates the variance for a full series of values.
Overview of OOP (Object Oriented Programming)
The object-oriented programming (called "OOP") is a programming paradigm in which the programs are organized as sets of objects......
StatCorrelation (Function)
Calculates the coefficient of correlation between two series of values.
The Preset control
The "Preset" control is used to display the frequently used controls without programming......
StatStandardDeviation (Function)
Calculates the standard deviation for a series of values.