ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Principle of remote check
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
3-tier architecture
The development in "3-tier" architecture is now simplified...
<AutomaticEvent variable>.Wait (Function)
Locks the current thread while waiting for the specified event to be opened.
<ManualEvent variable>.Close (Function)
Closes a synchronization event between several threads.
<ManualEvent variable>.Open (Function)
Opens a synchronization event between several threads.
<Source>.FilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
Millisecond (Property)
The Millisecond property is used to: Retrieve the number of milliseconds from a Time, DateTime...
Second (Property)
The Second property is used to: Retrieve the number of seconds from a Time, DateTime...
Drag and Drop
Drag and Drop is used to transfer data between several controls with the mouse. This data can...
DnDEvent (Function)
Indicates the procedure to run during an event of Drag/Drop....
DnDIsDataAvailable (Function)
Checks whether a specific type of data is available during Drag/Drop....
DateToMonthInAlpha (Function)
Returns the name of the month that corresponds to a specified date.
DateToDayInAlpha (Function)
Returns the name of the day that corresponds to a specified date.
DateToInteger (Function)
Converts a date to an integer.
HErrorLock (Function)
Used to check whether a lock error occurred.
HFilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
The Conference control
...The Conference control allows you to view and/or listen to video and/or sound in real time......
HTransactionFree (Function)
Transforms all the records "in transaction" into "Normal" records if these records do not belong...
grDestinationWMF (Function)
Defines a meta file as chart destination.
grDestinationWnd (Function)
Defines a window as chart destination.
grDestinationControl (Function)
Defines an Image control as destination of a chart.
HDescribeConnection (Function)
Describes a new connection to an external database.
HDescribeLink (Function)
Describes a link between two data files through programming.
HDescribeItem (Function)
Describes a file item through programming.
HListKey (Function)
Returns the list of keys found in a file (query or view) recognized by the HFSQL engine.
HListLink (Function)
Returns the list of links (Merise) in the current analysis or in a specific analysis
HListItem (Function)
Returns the list of items: found in a data file ( a query or a view) known to the HFSQL engine....