IContextMenuItemCollection.IndexOf(IContextMenuItem) Method

Returns the specified item’s position within the item collection.

Namespace: DevExpress.Blazor.Office

Assembly: DevExpress.Blazor.v25.1.dll

NuGet Package: DevExpress.Blazor

Declaration

int IndexOf(
    IContextMenuItem menuItem
)

Parameters

Name	Type	Description
menuItem	IContextMenuItem	The context menu item.

Returns

Type	Description
Int32	The item’s position in the item collection. -1 if the collection does not contain the specified item.

Remarks

The following code snippet adds a custom Show URL item before the Open Hyperlink item if a hyperlink is selected:

<DxRichEdit CustomizeContextMenu=OnCustomizeContextMenu />

@code {
    DxPopup popup;
    Selection selection;
    string link;
    // ...
    async Task OnCustomizeContextMenu(IContextMenuItemCollection items) {
        var hyperlinks = await selection.ActiveSubDocument.Hyperlinks.GetAllAsync();
        var hyperlink = hyperlinks.SingleOrDefault(h => Enumerable.Range(h.Interval.Start, h.Interval.Length).Contains(selection.CaretPosition));
        link = hyperlink?.Url;
        if (!string.IsNullOrEmpty(link)) {
            var openHyperlinkItem = items[RichEditContextMenuItemNames.OpenHyperlink];
            openHyperlinkItem.BeginGroup = false;
            var index = items.IndexOf(openHyperlinkItem);
            var showURLItem = items.AddCustomItem(index, "Show URL");
            showURLItem.Click = async () => {
                if (popup is not null)
                    await popup.ShowAsync();
            };
            showURLItem.BeginGroup = true;
        }
    }
}

Run Demo: Context Menu Customization