SetTooltipVideo extension using ricaun.Revit.UI

RibbonToolTipExtension.cs

using ricaun.Revit.UI;
using System;

namespace RevitAddin.ToolTipVideo.Revit;

public static class RibbonToolTipExtension
{
    public static IRibbonItem SetTooltipVideo<IRibbonItem>(this IRibbonItem ribbonItem, string videoPath, 
        string title = null, 
        string toolTip = null,
        string description = null)
        where IRibbonItem : Autodesk.Revit.UI.RibbonItem
    {

        var ribbonToolTip = new Autodesk.Windows.RibbonToolTip()
        {
            Title = title ?? ribbonItem.ItemText,
            Content = toolTip ?? ribbonItem.ToolTip,
            ExpandedContent = description ?? ribbonItem.LongDescription,
            ExpandedVideo = new Uri(videoPath),
        };

        var _ribbonItem = ribbonItem.GetRibbonItem();
        _ribbonItem.ToolTip = ribbonToolTip;

        return ribbonItem;
    }
}

This extension uses ricaun.Revit.UI