ElementCollection<TElement>.GetAsync(Int32, CancellationToken) Method
Returns an element with the specified index.
Namespace: DevExpress.Blazor.RichEdit
Assembly: DevExpress.Blazor.RichEdit.v24.2.dll
NuGet Package: DevExpress.Blazor.RichEdit
Declaration
public ValueTask<TElement> GetAsync(
int index,
CancellationToken cancellationToken = default(CancellationToken)
)
Parameters
Name | Type | Description |
---|---|---|
index | Int32 | The element index in the collection. |
Optional Parameters
Name | Type | Default | Description |
---|---|---|---|
cancellationToken | CancellationToken | null | An object that propagates a cancellation notification. |
Returns
Type | Description |
---|---|
ValueTask<TElement> | A structure that stores an awaitable result of an asynchronous operation. The awaitable result is an element with the specified index. |
Remarks
<DxRichEdit @ref="richEdit" />
@code {
DxRichEdit richEdit;
Document documentAPI;
@* ... *@
/* 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 {
documentAPI = richEdit.DocumentAPI;
@* ... *@
// Gets URLs of all hyperlinks in the document
List<string> hyperlinkUrls = new List<string>();
var hyperlinks = await documentAPI.Hyperlinks.GetAllAsync();
for (int i = 0; i < hyperlinks.Count; i++) {
var hLink = await documentAPI.Hyperlinks.GetAsync(i);
if (hLink.Url != "")
hyperlinkUrls.Add(hLink.Url);
}
@* ... *@
}
catch (OperationCanceledException e) {
Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
}
}
See Also