DxRichEdit.DocumentContentChanging Event

Allows you to notify users that the Rich Text Editor starts saving.

Namespace : DevExpress.Blazor.RichEdit

Assembly : DevExpress.Blazor.RichEdit.v25.2.dll

NuGet Package : DevExpress.Blazor.RichEdit

Declaration

csharp

[Parameter]
public EventCallback DocumentContentChanging { get; set; }

Remarks

The Rich Text Editor updates the DocumentContent property value and raises the DocumentContentChanging and DocumentContentChanged events in the following cases:

A user selects the File → Save ribbon command.
A user presses Ctrl+S.
You call the SaveDocumentAsync(CancellationToken) method.
An auto-save timeout expires.

The DocumentContentChanging event occurs before the DocumentContentChanged event. Handle the DocumentContentChanged event to save the document.

The following code example displays the DxPopup when the DocumentContentChanging event occurs:

razor

<DxPopup @bind-Visible="@PopupVisible" HeaderText="Info" BodyText="The Rich Edit starts saving."/>

<DxRichEdit DocumentContentChanging="OnDocumentContentChanging" 
            DocumentFormat="DocumentFormat.OpenXml" 
            @bind-DocumentContent="@documentContent" />

@code {
    byte[] documentContent;
    bool PopupVisible { get; set; } = false;

    async Task OnDocumentContentChanging() {
        PopupVisible = true;        
    }    
}