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Version: 2026

VSpace (Property)
The VSpace property gets and sets the vertical spacing between the labels in a report. This spacing was defined when creating the Label report.
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
Constants for managing Windows events
The following constants are used to manage Windows events:...
Variables for managing the Drag and Drop
The Compression property is used to manage data compression during a connection (HFSQL Client/Server, etc.)...
7. Multilingual applications in practice
Identifies the opacity of a pixel in an image (in an Image variable) with an Alpha channel....
Gesture variable
The Gesture variable is used to retrieve the gesture parameters (swipe)......
ControlVisible (Function)
Makes a control (or a group of controls) visible in a window. During this operation, an animation can be performed on the controls.
BTAcceptConnection (Function)
Used to find out whether a Bluetooth radio accepts (or not) the requests for connection coming from the devices.
NotifAdd (Function)
Adds a notification into the system bar of device (Android) or into the notification center (iOS).
GranularityDuration (Property)
The GranularityDuration property is used to get and change the size of the grid to resize: appointments in an Organizer control. appointments in a Scheduler control. events in a TimeLine control. tasks in a Gantt Chart column....
DescribedName (Property)
The DescribedName property is used to handle the logical name of HFSQL data files (ignoring possible changes made by HAlias).
fMakeDir (Function)
Creates a directory (and the intermediate directories if necessary).
fCopyDir (Function)
Copies the contents of a directory and its subdirectories.
Length (Function)
Returns: the length of a string, i.e., the number of characters in the string (including spaces and binary zeros). the size of a buffer, i.e., the number of bytes in the buffer....
ListSelectCount (Function)
Returns the number of elements selected in a List Box, ListView or Combo Box control.
iImageHeight (Function)
Calculates the height of the image to print (in millimeters).
iImageWidth (Function)
Calculates the width of the image to print (in millimeters).
iTextWidth (Function)
Calculates the width (in millimeters) of the text to print, according to the specified font.
fOpenTempFile (Function)
Creates and opens a temporary file.
HSortView (Function)
Sorts an HFSQL view by creating an index on a view item. This function uses the former view mechanism.
StringDelete (Function)
Deletes: all the occurrences of a substring within a string. part of a string within another string. The part of the string to remove is identified by its position and length....
Middle (Function)
Extracts: a substring from a string starting at a specified position. part of a buffer starting at a specified position....
IntegerToDate (Function)
Converts an integer into a date in YYYYMMDD format.