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Version: 2026

2. Variables
WINDEV Tutorial: WLanguage basics Lesson 2 - Variables - 20 min
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....
Point (Type of variable)
A Point variable is a structured type that is used to represent a position (X, Y) in 2 dimensions.
JSONToVariant (Function)
Converts a JSON string to a Variant variable.
ExceptionThrow (Function)
Artificially triggers the security mechanism of WLanguage by throwing an exception.
PageEndStick (Property)
The PageEndStick property is used to: Determine the page footer should be right below the last block. Change the page footer block options....
Image drawing and processing functions (prefix syntax)
List of image drawing and processing functions (prefix syntax)...
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....
Replace (Function)
Replaces all occurrences of a specified substring in a string with another specified substring.
Creating the Form pages of a WEBDEV RAD pattern
BurnerMediaType (Function)
Used to find out and modify the format of the CD or DVD to burn.
Publishing the replication from ReplicEdit
A replication description created with ReplicEdit can be published from this tool on a replication server......
Dashboard control: Automatic Application Features (AAF)
The Dashboard control proposes several Automatic Application Features (AAF) allowing the user to benefit from all control capabilities......
The Dashboard control
Dashboards are essential elements in an application......
iPrintImage (Function)
Sends the image file to print to the print buffer.
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.
Default (Property)
The Default property is used to determine if a parameter has been passed to a procedure with a custom or default value.
SQLReqExists (Function)
Checks the existence of a query.
Global and local variable
Two types of variables are available......
DnDGetData (Example)
Usage example of the DnDGetData function