DxRichEdit.LoadDocumentAsync(IBrowserFile, CancellationToken) Method

Loads a document from a file.

Namespace: DevExpress.Blazor.RichEdit

Assembly: DevExpress.Blazor.RichEdit.v25.1.dll

NuGet Package: DevExpress.Blazor.RichEdit

Declaration

public ValueTask LoadDocumentAsync(
    IBrowserFile file,
    CancellationToken cancellationToken = default(CancellationToken)
)

Parameters

Name	Type	Description
file	IBrowserFile	The file to load.

Optional Parameters

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

Returns

Type	Description
ValueTask	A structure that stores an awaitable result of an asynchronous operation.

Remarks

Call the LoadDocumentAsync method to load a document from a file.

The DocumentLoaded event occurs after the Rich Text Editor loads a document. Handle this event to change the content of a loaded document.

The following code snippet loads a document from a file:

<InputFile OnChange="OnChange" />
<DxRichEdit @ref="richEdit" />
@code {
    DxRichEdit richEdit { get; set; }
    private async Task OnChange(InputFileChangeEventArgs eventArgs) {
        /* Surround the code that contains an asynchronous operation with a try-catch block to handle
    the OperationCanceledException. This exception is thrown when an asynchronous operation is canceled. */
        try {
            IBrowserFile file = eventArgs.File;
            await richEdit.LoadDocumentAsync(file);
        }
        catch (OperationCanceledException e) {
            Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
        }
    }
}