Selection(SubDocument, Int32, Int32) Constructor
In This Article
Initializes a new instance of the Selection class and selects the specified interval.
Namespace: DevExpress.Blazor.RichEdit
Assembly: DevExpress.Blazor.RichEdit.v24.2.dll
NuGet Package: DevExpress.Blazor.RichEdit
#Declaration
C#
public Selection(
SubDocument subDocument,
int startPosition,
int length
)
#Parameters
Name | Type | Description |
---|---|---|
sub |
Sub |
The sub-document that contains the selection. |
start |
Int32 | A start position of the selected interval. |
length | Int32 | A length of the selected interval. |
#Remarks
Call this constructor to select an interval in Rich Text Editor. To access the editor’s selection in code, bind the Selection property with @bind-Selection
attribute.
Razor
<DxRichEdit @bind-Selection="@selection" @ref="@richEdit" />
@code {
DxRichEdit richEdit;
Selection selection;
@* ... *@
/* 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 {
@* ... *@
selection = new Selection(richEdit.DocumentAPI, 4, 23);
@* ... *@
}
catch (OperationCanceledException e) {
Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
}
}
The image below shows the result.
Handle the SelectionChanged event to react to changes in selection.
See Also