ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

PageWriteHeaderHTTP (Function)
Adds an additional HTTP header that will be returned to the browser: during the next function for page display (PageDisplay, PageRefresh, ...), during the automatic return of the current page at the end of the current action....
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......
Unicode (Property)
The Unicode property is used to: Determine if the value of a control is a Unicode string. Specify whether the value of a control is a Unicode string....
XMLWrite (Function)
Creates or modifies the value of an XML element or the value of the attribute for an XML element.
EncryptStandard (Function)
Encrypts a character string or a binary buffer by using a symmetrical encryption algorithm (AES, DES, etc.)
LengthToString (Function)
Converts a size in bytes to a string with human-readable units such as kilobytes, megabytes or terabytes.
LooperAddInProgress (Function)
Modifies or returns the visibility status of internal wait window when adding additional elements into an infinite Looper control.
Constants used by the TraceStart function
List of constants used by the TraceStart function....
TimeToString (Function)
Converts a time to a string in the specified format.
StringToDuration (Function)
Converts a duration in character string format to a duration that can be used by a Duration variable.
MatExist (Function)
Checks the whether the matrix exists in memory.
ArrayCount (Function)
Returns: the number of elements in a one-dimensional array. the number of rows in a two-dimensional array. the number of elements in the first dimension of a three-dimensional or N-dimensional array....
XMLInsertDocument (Function)
Inserts the current XML tag found in an XML document into another XML document.
XMLRename (Function)
Renames the current element (tag or attribute) in an XML document.
ArrayIntersect (Function)
Returns an array corresponding to the intersection of two arrays.
ArrayUnion (Function)
Returns an array corresponding to the union of two arrays.
The Internal Page control
The "Internal Page" control is used to include a page (and its code) in a control of another page......
Chart control properties
A Chart control can be used......