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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Gantt chart>.DateTimePosition (Function)
Sets the first day and time displayed in a Gantt Chart column in a Table or TreeView Table control.
Style properties (help system)
To edit the styles available in the current help system, select "Help system......
PeriodSelection (Property)
The PeriodSelection property is used to determine and specify if the user can select a time period in an Scheduler or Organizer control.
StartDatePeriodDisplayed (Property)
The StartDatePeriodDisplayed property is used to get the start date of the time period displayed in a Scheduler or Organizer control of a report.
EndDatePeriodDisplayed (Property)
The EndDatePeriodDisplayed property is used to get the end date of the time period displayed in a Scheduler or Organizer control of a report.
OrganizerChangeZoom (Function)
Modifies the time range displayed by an Organizer control (Day/Week/Month). This function is kept for backward compatibility....
Project Management Hub: Time tracking
The time spent can be listed on......
Characteristics of the columns in a Table control in a window (prefix syntax)
The columns are used to display information in a Table control......
tapiError (Function)
Indicates whether an error was returned by the last tapixxx function (functions for managing phone calls) to the TAPI module.
HRecordDate (Function)
Returns the date and time of the last write operation performed on a record in an HFSQL file (Classic or Client/Server)....
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......
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....
SQL : ORDER BY clause: Organizing the result of a query
The ORDER BY clause is used to sort the records selected by an SQL query......
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....
CaptionPeriodHeader (Property)
The CaptionPeriodHeader property is used to get and change the caption of the time period displayed in the header of a Scheduler or Agenda control in a report.
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.
Handling a TreeView control at runtime
When the TreeView control is in edit, the user can expand or collapse the different levels of the tree structure by clicking the treeview elements....
FinDecreasingRedemption (Function)
Calculates the amortization value of a good over a specific period of time, via the formula for fixed-rate decreasing amortization.
15. Cookies: information stored on the end user's computer
Project Management Hub: Configuration
All contributors must provide details about their work schedule so that project management tools reflect reality......
RoundFloor (Function)
Returns: the numeric value rounded down to the nearest integer. the duration rounded down to the nearest interval. the date and time rounded down to the nearest interval....
Describing an element
A flexible modeling includes different elements linked together......