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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HLockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
InfoThumbnailGeneration (Property)
The InfoThumbnailGeneration property is used to determine if the thumbnails of an item have been generated successfully.
NbThumbnail (Property)
The NbThumbnail property is used to get the number of thumbnails generated for an item.
1. Creating a WEBDEV project and its database schema
WEBDEV Tutorial - Creating a WEBDEV project and its database schema Lesson 1 - Creating a WEBDEV project and its database schema - 5 min
fDelete (Example)
Usage example of the fDelete function
Data Source (Variable type)
A Data Source variable is used to describe a temporary data source (query, view, alias, etc.).
WDConver : Use in command line mode
Using WDConver in command line mode consists in running a conversion description created and saved with WDConver ("......
Creating the RAD Pattern project
The steps for creating a RAD pattern are as follows:...
HOpenConnection (Function)
Opens a connection to a specific database.
HReset (Function)
Initializes: one or all variables of file items with their default values. one or all items of a Record variable with their default values....
WDD55 (Property)
The WDD55 property is used to: Get the name and full path of the Hyper File 5.5 WDD file. Set the name and full path of the Hyper File 5.5 WDD file....
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described programmatically....
NET constants
List of constants used by the DotNet functions....
Text (Property)
The Text property is used to get and modify text.
HSavePosition (Function)
Stores the current file context (current record, filter, pointers).
HFree (Function)
Transforms the crossed records (HCross) into deleted records.
DriveMoveFile (Function)
Moves a file present in an Drive directory to another directory on this Drive (remote disk).
HOptimizeQuery (Function)
Optimizes the Select queries by using idle times when handling an application (period without processes).
Native Informix Connector: Specific features and remarks
Remarks and specific features of Native Informix Connector...
HSetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Log-based replication
The replication is the operation allowing you to keep updated remote databases of identical structures on which several operations are performed......
H.NumRec (Variable)
Contains the number of the physical record loaded in memory (which means the number of the last record read).
FileToMemory (Function)
Automatically initializes the values of the members of a structure or class with the values of the items of the current record.