ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
Test of a query
The query editor allows you to run the test of query result......
Static audit
The static audit is a feature of the environment that analyzes a project to detect potential issues and suggests improvements......
fDirSize (Function)
Returns the size of a directory in bytes.
Contains (Function)
Allows you to check if a substring is within a string.
MatCopy (Function)
Creates the copy of a matrix.
MatFloatAdd (Function)
Adds a value to each matrix element.
MatDelete (Function)
Deletes an existing matrix.
The Line control
A Line control is used to display a line in a page......
LooperBreakIndex (Function)
Returns the index of the break header and footer for a given break in a Looper control.
Extra (Property)
The Extra property is used to: Get additional information about a control, window, or page. Edit additional information of a control, window or page. In browser code, you can only get additional information of a control or page....
The Cell control
The Cell control contains controls......
Comparing the project messages
The comparison between source and target text helps you find translation errors......
Day (Property)
The Day property is used to: Get the day from a Date or DateTime variable, or get the number of days from a Duration variable. Change the day of a Date or DateTime variable, or change the number of days of a Duration variable. Get the day or the number of days from a Date item (in "Date", "Date and Time" or "Duration" format) Modify the day or the number of days in a Date item (in "Date", "Date and Time" or "Duration" format)...
StringCompare (Function)
Compares two strings character by character: according to the sequence of ASCII characters. according to the alphabetical order....
2. Projects in practice
LengthToString (Function)
Converts a size in bytes to a string with human-readable units such as kilobytes, megabytes or terabytes.
CharactUnicode (Function)
Returns the character corresponding to the specified Unicode code.
GetGUID (Function)
Calculates a globally unique identifier (named "GUID"), whose size is: equal to 16 bytes, which means 32 hexadecimal characters. equal to 32 bytes, which means 64 hexadecimal characters....
23. Print modes
MatDeterminant (Function)
Calculates the determinant of a square matrix (the number of rows is equal to the number of columns).
MatWrite (Function)
Writes an element into a matrix.
MatRead (Function)
Reads the value of a matrix element.
Text formatting variant
You can customize text attributes such as character spacing, line spacing and font size in a window or page......
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features......