aspnetcore/test/testapps/BasicTestApp/KeyPressEventComponent.cshtml

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@using System.Collections.Generic
@using Microsoft.AspNetCore.Blazor.RenderTree
Type here: <input onkeypress=@OnKeyPressed />
<ul>
@foreach (var key in keysPressed)
{
<li>@key</li>
}
</ul>
@functions {
List<string> keysPressed = new List<string>();
void OnKeyPressed(UIEventArgs eventArgs)
{
keysPressed.Add(((UIKeyboardEventArgs)eventArgs).Key);
}
}