SubDocument.AddRtfAsync(String, CancellationToken) Method

Inserts text in Rich Text Format (RTF) at the end of a sub-document.

Namespace: DevExpress.Blazor.RichEdit

Assembly: DevExpress.Blazor.RichEdit.v23.2.dll

NuGet Package: DevExpress.Blazor.RichEdit

Declaration

public ValueTask<Interval> AddRtfAsync(
    string rtfText,
    CancellationToken cancellationToken = default(CancellationToken)
)

Parameters

Name	Type	Description
rtfText	String	The inserted RTF text string.

Optional Parameters

Name	Type	Default	Description
cancellationToken	CancellationToken	null	An object that propagates a cancellation notification.

Returns

Type	Description
ValueTask<Interval>	A structure that stores an awaitable result of an asynchronous operation. The awaitable result is the inserted interval.

Remarks

The code below inserts content of the C:\Temp\sample.rtf file at the end of a Rich Text Editor’s sub-document.

<DxRichEdit @ref="@richEdit" />

@code {
    DxRichEdit richEdit { get; set; }
    string rtfContent { get; set; }
    string path { get; set; } = @"C:\Temp\sample.rtf";

    protected async override Task OnAfterRenderAsync(bool firstRender) {
        if (firstRender) {
            rtfContent = File.ReadAllText(path);
            await richEdit.DocumentAPI.AddRtfAsync(rtfContent);
        }
        await base.OnAfterRenderAsync(firstRender);
    }
}

To insert an RTF text string into the sub-document at the specified position, use the AddRtfAsync(Int32, String, CancellationToken) method.