All Questions

Answered: You can set a custom HTML for the row header using onBeforeRowHeaderRender like this: onBeforeRowHeaderRender: args => { args.row.html = `<div style="font-weight:bold; margin-bottom:5px;">${args.row....

Answered: These events can be added but your scenario can be better handled using active areas . If you add active areas with visibility: "Hover" they will ony be displayed when you hover the event. By default...

Answered: Sorry for the delay! At this moment, the active areas with position defined using the left property are included in the floating event element . Areas relative to the right are not included in the vi...

Answered: The TypeScript definitions for these members are now available in the latest sandbox build (2025.3.6621). If there is any problem, please let me know.

Answered: The crosshair is now enabled during drag and drop in the Calendar in the latest sandbox build (2025.3.6634). The behavior is now consistent with the Scheduler.

Answered: The DayPilot.DatePicker class is now included in the TypeScript definitions in the latest sandbox build (2025.3.6620). Thanks for reporting the problem. To set a custom first day of the week, use the...

Answered: Unfortunately, I’m not able to reproduce the issue. However, I recommend using the UI Builder app to generate a Vue project with the required boilerplate. It lets you download a configured component ...

Answered: It is possible to insert custom time segments (phases) into an existing events: Event Phases [docs] You can also take a look at the following related tutorial: JavaScript Scheduler: Warm-Up and Cool-...

Answered: Unfortunately, this scenario is not supported. It’s not possible to modify the list of dragged events on the fly. You shouldn’t call update() in onEventMoving - it will break things.

Answered: The Scheduler respects the value of allowEventOverlap - if you set it to false , the overlaps will be forbidden.

Answered: This should be fixed now in the latest sandbox build (2025.3.6593). Please let me know if the problem persists.

Answered: It’s now available in the latest sandbox build (2025.3.6591).

Answered: Hi Leo, Most likely, it‘s related to the row headers (number of columns, column titles…). You can also try posting the error stack trace.

Answered: Unfortunately, this is not possible - the areas can’t be changed dynamically. However, if you call update() , it will repaint the whole Scheduler, including the upper-left corner and its areas. When ...

Answered: The latest release ( 2025.3.6564 ) now detects the nonce used by scripts and stylesheets on the page and uses it when registering the built-in stylesheet. You shouldn’t see this error anymore. If you...

Answered: This data isn’t calculated for internal purposes. You will need to go through the events in events.list and calculate it directly from the data.

Answered: I have added this to the wishlist.

Answered: Hi Leo, The error #2 should be fixed now. There was an issue with events located next to a disabled parent row ( treePreventParentUsage: true ) when you tried to move them into the disabled row and s...

Answered: By default, events are rendered progressively and there is a small debouncing delay that makes the scrolling smoother . You can either turn progressive rendering off using dynamicEventRendering or yo...

Answered: I assume you mean the DayPilot.DatePicker component. In the latest sandbox build (2025.3.6533), you can now set a custom text of the “Today” button using the todayText property: const picker = new Da...

Answered: Sorry for the delay! You should be able to add links dynamically using links.add() in onMouseOver and remove them using links.remove() in onMouseOut . If there is any problem, please let me know.

Answered: Thanks. In such a zoomed-out view, the event width can get very small if you turn off the event boxes feature. With event boxes enabled (that’s the default setting), the event width is aligned with t...

Answered: datePattern is a property of DayPilot.Locale . You might want to check the locale value - it must be either a DayPilot.Locale object or a string identifier of a registered locale .

Answered: This looks like a regression of a bug that was fixed in 3.32.1 (incorrect args.cell.start / end in onTimeRangeSelect / onTimeRangeSelected events when heightSpec is set to "BusinessHoursNoScroll" ). ...

Answered: Hi Leo, This should be fixed now in the latest sandbox build (2025.3.6530). Please let me know if the problem persists.

Answered: I’ve added this to the wishlist, thanks for the suggestion.

Answered: There is a small delay before the tap-and-hold event action (moving, context menu) is activated (defined by tapAndHoldTimeout ). If the event is deleted during this time, you may see this error. In t...