ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2025
Character string: How to extract, remove and replace words?
This page presents the main operations that can be performed on a character string.
String literals: single-line and multiline strings
String literals are used to represent and manipulate data as a sequence of characters. For example, string literals can be used to display information, define a constant, etc.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
<ANSI string>.CharactTypeCount (Function)
Returns the number of characters matching a given type.
WordCount (Function)
Returns the number of words in a string.
LineToPosition (Function)
Returns the position of the first character of a line in a block of text.
StringReverse (Function)
Reverses the characters of a string.
ASCIIZ string of (Variable type)
The ASCIIZ string of type is used to manipulate strings with a null character at the end, denoted by a zero (as in the C programming language).
<ANSI string>.Insert (Function)
Inserts a string into another character string at a given position.
PositionToLine (Function)
Returns the number of the line that contains a character identified by its position in a block of text.
RTFReplace (Function)
Replaces or inserts a character string in an RTF control (found in a window or in a report) or in a string in RTF (containing a text in RTF).
String (Variable type)
The String type is used to manipulate strings...
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
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.
ExtractLine (Function)
Extracts a specific line from a character string.
UUEncode (Function)
Encodes a character string according to the UUEncode algorithm.
Functions for managing RTF controls
List of functions for managing RTF controls
gToText (Function)
Deletes the graphic elements from a character string that uses gStoredValue, gImage, ...
String of (Variable type)
The String of type is used to manipulate fixed-length strings. These strings have a null character at the end, denoted by a zero (as in the C programming language).
Unicode string on (Variable type)
The type Unicode string on is a fixed-length string containing only characters in Unicode format.
<ANSI string>.Reverse (Function)
Reverses the characters of a string.
WordToArray (Function)
Fills an array with the words from a string.
Multilingual messages: Convert to new format (version 27 and later)
WINDEV, WEBDEV and WINDEV Mobile have included multilingual project support in many previous versions...
Phonetic (Function)
Returns the phonetic transcription of the string passed as parameter.
CharactTypeCount (Function)
Returns the number of characters matching a given type.
Translating programming messages
When developing a multilingual application, you can translate the different messages displayed to the user (messages displayed by Info and YesNo, for example.
<Table>.ToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
TextToXML (Function)
Converts an ANSI string to an XML string.
Pascal string of (Variable type)
The Pascal string of type corresponds to a length-prefixed string (this length is stored as a byte value). This type of variable is kept for backward compatibility.
<ANSI string>.Increment (Function)
Increments a number at the beginning or at the end of a string.
Project string manager
WINDEV, WEBDEV and WINDEV Mobile include a string management tool that allows you to view and manipulate all the strings used in the project (or in an element of the project)...
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
2. Variables
WEBDEV Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
2. Variables
WINDEV Mobile Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
TokenEnabled (Property)
The TokenEnabled property determines if an Edit control is a "Text token" Edit control.
Constants for external files
List of constants used by the functions for managing external files....
Native MySQL Connector: Specific features and remarks
Remarks and specific features of the Native MySQL Connector...
Constants for managing fonts
List of constants used by the functions for font management....
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
ChangeKeyboard (Function)
Gets or sets the language associated with the keyboard.
HCopyRecord (Function)
Copies: the content of the current record (loaded in memory) to the current data file record. the content of the Record variable to the current data file record....
Content (Property)
The Content property is used to read or write the whole content of a control: List Box populated programmatically, Combo Box populated programmatically, Spreadsheet....
SAP variable
The SAP variable is used to configure the parameters of the connection to the SAP server......
Customizing the Switch controls
The Switch control is a 2-state Check Box control (on/off, true/false, yes/no)......
Characteristics of a PCL print
The result of a PCL print mainly depends on the technical features of the printer used (management of images and lines, management of fonts, ......
dText (Function)
Draws a text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
UUID (Type of variable)
The UUID type is used to easily manage: UUIDs or GUIDs, automatic UUID HFSQL identifiers, identifiers for COM/Automation objects and interfaces, ......
Message (Property)
The Message property is used to: Find out the help message associated with a control or with a menu option (in a window). Modify the help message associated with a control or with a menu option (in a window)....
Programming automatic calculations in the columns of a Table control
PreviousWin (Function)
Identifies the window that was in edit before the window that is currently in edit (for the same project).
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
Mobile Image Editor control
By using the Image Editor control in your mobile applications, you will allow users to edit images or photos......
SQLCode (Property)
The SQLCode code property is used to get the SQL code of a query created with the query editor (".WDR" file).
Glossary
The glossary lists all the abbreviations used in the code editor......
ArraySort (Function)
Sorts a WLanguage array.
TableSearchChild (Function)
Searches for a value in a column of a TreeView Table control, in a specified branch.
1
…
53
54
55
56
57
…
104
>