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Version: 2025

Declaring the functions of the Windows API
Syntax for declaring the functions of the Windows API
Value of constants for the Windows 32-bit API
Value of constants for the Windows 32-bit API
Instance (Function)
Returns the "system handle" (HINSTANCE) of the current program.
<Looper>.AddLine (Function)
Adds a row at the end of a Looper control.
<Thread>.SendSignal (Function)
The current thread sends a signal to the specified thread in order to unlock it.
Telephony functions
List of telephony functions...
SysNumberScreen (Function)
Returns the number of screens currently connected to the current computer.
DDE errors
When a DDE function fails (returns False for example), ErrorInfo allows you to find out the number of the corresponding error]......
Modbus functions
List of Modbus functions...
WHelp (Function)
Displays a file or a help page in HLP or CHM format.
ReturnedValue (Property)
The ReturnedValue property is used to handle the return value.
<Looper>.InsertLine (Function)
Inserts a row into a Looper control.
ReplicSynchronize (Function)
Synchronizes the data corresponding to a replication.
HInfoBackup (Function)
Returns information about one or more backups performed on an HFSQL Client/Server server....
WiFiDetectAccessPoint (Function)
Starts detecting the Wi-Fi access points currently accessible from the device.
iPrintReport (External language)
Prints a report created with the report editor.
xmlNamespace (Type of variable)
The xmlNamespace type is used to handle the XML namespace of a node attribute in an XML document.
Sum (Function)
Calculates the sum of the array elements.
Telemetry: Overview
From version 21, WINDEV proposes advanced statistics regarding the use of your WINDEV applications via the telemetry......
grHMColor (Function)
Specifies the colors of different values in a Heatmap chart.
12. Available tests
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....
ArrayDelete (Function)
Deletes an element at a given position: from a one-dimensional WLanguage array. from an advanced array property (array of gglCalendar events, etc.). from an associative array. from a WLanguage list....
URLEncode (Function)
Encodes a URL with a sub-set of ASCII characters.
SQLDisconnect (Function)
Closes the current connection and frees the memory used by the connection.
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
grTitleFont (Function)
Modifies the font used for the chart title.
grLegendFont (Function)
Modifies the font used for the chart legend.