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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

ModbusWriteFloat (Function)
Writes one or more single-precision floats to a Modbus slave, starting at a specific address.
ModbusReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
<modbusSession>.ReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
<modbusSession>.WriteFloat (Function)
Writes one or more single-precision floats to a Modbus slave, starting at a specific address.
ModbusSendRawFrame (Function)
Sends a raw frame to a Modbus slave. This enables communication with devices that do not strictly comply with the Modbus standard.
MarkerImage (Type of variable)
The MarkerImage type is used to customize the image associated with a marker or a marker cluster displayed in a Map control.
How to associate an image with an element found in a TreeView Table?
This help page explains how to customize the default image associated with the elements found in a TreeView Table....
3. Site development life cycle
hbWriting (Type of variable)
The hbWriting type is used to define the characteristics of a write operation that will be performed in a row (record) of an HBase table.
<Chart>.Scatter3DProjection (Function)
Indicates whether the points found in a series of a 3D Scatter chart must be be projected on a given plane.
ModbusWriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
grScatter3DProjection (Function)
Indicates whether the points found in a series of a 3D Scatter chart must be be projected on a given plane.
<modbusSession>.WriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
Scope of procedures
The scope of a procedure defines whether it is public, private, etc......
SaaS
SaaS (acronym of Software as a Service) is a model for software distribution that consists in proposing an application in subscription via a Web site rather than via the purchase of a license......
The planes in WEBDEV
The planes are used to group the controls of an element......
How to read emails via the IMAP protocol?
This help page explains how to read emails via the IMAP protocol....
Page menu
WEBDEV allows you to create a drop-down menu in your HTML pages......
Check: Activity of an application
The monitoring robot proposes to check the activity of a WINDEV application......
DocOpen (Function)
Opens a Word Processing file (docx format) in Read/Write mode. The docx file is opened and locked until it is closed....
WLanguage procedure called by OpenDocument
WLanguage procedure ("callback") called by OuvreDocument after the edit window is closed. This procedure can be a local, global or internal procedure.
<Word Processing>.Open (Function)
Opens a Word Processing file (docx format) in Read/Write mode. The docx file is opened and locked until it is closed....
ErrorReset (Function)
Resets the detection of non-fatal errors: The result of ErrorInfo is reset. The ErrorOccurred variable returns to False....
PlanActif (Property)
The Property Plane Active allows you to know and modify the number of the plan Active in a window, an internal window or a Cell control .
Management errors specific to Native Connectors
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......