ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Troubleshooting
This chapter presents the main problems (and their solutions) that can occur when using the WEBDEV Application Server...
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
2. Examples and components provided with WEBDEV
Setup wizard: Steps for creating a WINDEV application setup program
The setup program creation wizard allows you to define all the settings of your setup program....
Arithmetic operators
The arithmetic operators are......
HCreation (Function)
Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary.
ZOrder (Property)
The ZOrder property defines the Z-order of an element.
The Button control
The Button control allows the user or the Web user to run a specific action with a simple click......
MakeInteger (Function)
Builds a 4-byte integer from two 2-byte integers.
diffCreate (Function)
Compares two buffers and creates a buffer containing the differences between these two buffers.
InsertColumn (Function)
Inserts a column at a given position into an advanced two-dimensional array property (xlsDocument, ...).
grSeriesSecondaryAxis (Function)
Defines whether a series will be drawn on the secondary axis.
CharactUnicode (Function)
Returns the character corresponding to the specified Unicode code.
Factorial (Function)
Returns the factorial of an integer number.
RGBToHTML (Function)
Returns the HTML color corresponding to the RGB color.
XMLSave (Function)
Saves an XML document in a file.
dbgSaveMemoryDump (Function)
Saves a dump of memory used by the application.
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....
fBuildPath (Function)
Builds a complete file path from the directory and short name of a file. This function is mainly used to get a valid file name without having to worry about the presence of separators in the path ('/' or '\') or about their direction according to the platform....
LineToPosition (Function)
Returns the position of the first character of a line in a block of text.
KeyExpression (Property)
The KeyExpression property is used to set the different components of a composite key.
NbKeyItem (Property)
The NbKeyItem property is used to get the total number of key items (including composite keys) in a record of: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
Image drawing and processing functions
List of image drawing and processing functions...
WinInput (Function)
Identifies the window containing the WLanguage code currently run.