获取Blazor文本输入的插入符号位置

@page "/textinput"

<input type="text" id="textInput" @ref="textInputRef" @oninput="HandleInput" />

@code {
    private ElementReference textInputRef;

    private void HandleInput(ChangeEventArgs e)
    {
        var inputElement = textInputRef.NativeElement;
        var selectionStart = (int)inputElement.GetProperty("selectionStart");
        var selectionEnd = (int)inputElement.GetProperty("selectionEnd");

        Console.WriteLine($"Selection Start: {selectionStart}");
        Console.WriteLine($"Selection End: {selectionEnd}");
    }
}