ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

CaptionPeriodHeader (Property)
The CaptionPeriodHeader property gets and sets the caption of the time period displayed in the header of a Scheduler or Agenda control in a report.
Project Management Hub: Time tracking
The time spent can be listed on......
tapiError (Function)
Indicates whether an error was returned by the last tapixxx function (functions for managing phone calls) to the TAPI module.
<Source>.RecordDate (Function)
Returns the date and time of last write operation performed on a record in an HFSQL table (Classic or Client/Server)....
Programming standard in Windows Vista and later
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism....
The Breadcrumb control
The "Breadcrumb" control corresponds to a series of links allowing the Web user to go back into the logical tree structure of a site......
InfoWithTimeoutAsynchronous (Function)
Displays a custom message in a non-blocking system information window for a given amount of time.
The "Column" charts
The data is interpreted as "columns" whose height is proportional to the value of data......
Print technical documentation
You can print different technical documentations describing all the elements of the project (windows, pages, reports, data files, items, components, assemblies, Custom-Folders, etc.)......
GanttDateTimePosition (Function)
Configures the first day and the first time displayed in a Gantt Chart column (found in a Table or TreeView Table control).
ScreenshotAllowed (Property)
The ScreenshotAllowed property is used to: Determine whether it is possible to take screenshots of a window, Allow or prevent taking screenshots of a window....
ErrorWithTimeoutAsynchronous (Function)
Displays a custom error message in a non-blocking system error window for a given amount of time.
BitcoinCoreDateTimeLastLaunched (Function)
Returns the date and time Bitcoin Core was last launched. Note: This function is only available from version 2025 Update 2....
RoundCeil (Function)
Returns: the value rounded up to the nearest integer. the duration rounded up to the nearest interval. the date and time rounded up to the nearest interval....
15. Cookies: information stored on the computer of the Web user
Indicates the status of the media file played in the Multimedia control....
Managing mutexes in threads
A mutex is used to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given time....