Sections.CreateAsync(Int32, SectionBreakType, CancellationToken) Method

Inserts a section break at the specified position and creates a new section.

Namespace: DevExpress.Blazor.RichEdit

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

NuGet Package: DevExpress.Blazor.RichEdit

Declaration

public ValueTask<Section> CreateAsync(
    int position,
    SectionBreakType type = SectionBreakType.NextPage,
    CancellationToken cancellationToken = default(CancellationToken)
)

Parameters

Name	Type	Description
position	Int32	A position in which to insert the section break.

Optional Parameters

Name	Type	Default	Description
type	SectionBreakType	NextPage	The type of a break.
cancellationToken	CancellationToken	null	An object that propagates a cancellation notification.

Returns

Type	Description
ValueTask<Section>	A structure that stores an awaitable result of an asynchronous operation. The awaitable result is a section object.

Remarks

<DxRichEdit @bind-Selection="@selection" @ref="@richEdit" />
@code {
    DxRichEdit richEdit { get; set; }
    Selection selection { get; set; }

    protected override Task OnAfterRenderAsync(bool firstRender) {
        if (firstRender)
            InitializeDocument();
        return base.OnAfterRenderAsync(firstRender);
    }

    async void InitializeDocument() {
    /* 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 {
            Document documentAPI = richEdit.DocumentAPI;
            await documentAPI.Sections.CreateAsync(richEdit.Selection.CaretPosition, SectionBreakType.EvenPage);      
        }
        catch (OperationCanceledException e) {
            Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
        }
    }
}