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React Scheduler > Display splitter but disable splitter resizing

Asked by Andy
23 days ago.

Objectives:

  • Scheduler’s width to always equal to the provided rowHeaderWidth.

  • Make the left pane’s splitter not grab-able to resize, while keeping the `rowHeaderSplitterWidth` non-zero. Essentially makes the left splitter non-interactable to the user.

  • Keep the left pane’s row header columns scrollable horizontally (I believe this is achieved with rowHeaderScrolling: true)

This is current configuration. Upon hovering on the splitter, it still shows the `move` pointer to resize the splitter.

{
    rowHeaderColumns: columns.map(column => { 
      width: column.width,
      text: column.label,
      id: column.id
    }),

    rowHeaderWidthAutoFit: false,

    rowHeaderColumnsResizable: false,

    rowHeaderWidth, // Variable calculated dynamically

    rowHeaderScrolling: true, // -> This is needed so the scheduler respects `rowHeaderWidth`

    rowHeaderSplitterWidth: 1, // This is good
}

Can you provide guidance? Thank you!

Answer posted by Dan Letecky [DayPilot]
20 days ago.

Hi Andy,

In the latest sandbox build (2025.4.6665), this is now supported by the new rowHeaderResizing property (you need to set it to false).

Comment posted by Andy
20 days ago.

Hi Dan,

Thank you for the quick turnaround.

I installed `https://npm.daypilot.org/daypilot-pro-react/trial/2025.4.6665.tar.gz` but didn’t see rowHeaderResizing in SchedulerProps

I set `rowHeaderResizing: false` anyways, yet still able to hover on and resize the splitter.

Comment posted by Dan Letecky [DayPilot]
20 days ago.

Sorry, my mistake. It’s rowHeaderResizable.

Comment posted by Andy
20 days ago.

Thank you, Dan. It works perfectly!

Is it possible to expose that prop on `SchedulerProps > SchedulerPropsAndEvents`?

I currently see it on `GanttPropsAndEvents`.

Comment posted by Dan Letecky [DayPilot]
20 days ago.

Great, thanks for the update.

Yes, it should be no problem. It will be added in the next build.

Comment posted by Andy
20 days ago.

Thanks again, Dan!

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