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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

JSONToVariant (Function)
Converts a JSON string to a Variant variable.
Variant (Type of variable)
The Variant type is used to: store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ... store named or indexed subelements. store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists. handle the NULL value in WLanguage. store interactions with ActiveX objects and Automation programming....
Error: Redefinition of syntax
The '<method>' methods of the '<derived class>' class and of the '<base class>' class do not have the same prototype......
.NET object
To access a class......
grRaised (Function)
Used to display a chart with raised effect.
LastDayOfWeek (Function)
Returns the date of the last day of the week corresponding to a given date.
SQLChangeConnection (Function)
Modifies the current connection.
ListDeleteAll (Function)
Clears a List Box, ListView or Combo Box control populated programmatically.
ListDelete (Function)
Deletes an element from a List Box, ListView or Combo Box control populated programmatically.
Hour (Property)
The Hour property is used to: Get the time from a variable of type Time or DateTime, or the number of hours from a variable of type Duration. Change the time in a variable of type Time or DateTime, or the number of hours in a variable of type Duration. Retrieve the time or the number of hours from a Date item (in "Date and time" or "Duration" format) or from a Time item. Modify the time or the number of hours in a Date item (in "Date and time" or "Duration" format) or in a Time item....
RGB (Function)
Defines a color from its Red, Green and Blue components.
xlsColumnType (Example)
Usage example of the xlsColumnType function
SQLReqExists (Function)
Checks the existence of a query.
ExceptionThrow (Function)
Artificially triggers the security mechanism of WLanguage by throwing an exception.
dInvertColor (Function)
Inverts the colors: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
Internal component
An internal component is a set of elements from a project......
MyWindow (Reserved word)
MyWindow is used to handle the current window...
2. Variables
WINDEV Tutorial: WLanguage basics Lesson 2 - Variables - 20 min
fRemoveDir (Function)
Deletes a directory from a disk.
MatDeterminant (Function)
Calculates the determinant of a square matrix (the number of rows is equal to the number of columns).
MatRead (Function)
Reads the value of a matrix element.
SQLClose (Function)
Declares the end of the query execution and frees the memory resources allocated during the execution of the query.
Testing a Mobile application
By testing the project you can simulate how the application will run when launched by the user......
Default (Property)
The Default property is used to determine if a parameter has been passed to a procedure with a custom or default value.
GPSFollowMovement (Function)
Requests to be notified periodically of the device's current location....