public static async Task <IFrame> AttachFrameAsync(IPage page, string frameId, string url)
{
var handle = (IElementHandle)await page.EvaluateHandleAsync(@" async ({frameId, url}) => {
const frame = document.createElement('iframe');
frame.src = url;
frame.id = frameId;
document.body.appendChild(frame);
await new Promise(x => frame.onload = x);
return frame
}", new { frameId, url });
return(await handle.GetContentFrameAsync());
}
private Task <IJSHandle> CaptureLastKeydownAsync(IPage page)
=> page.EvaluateHandleAsync(@"() => {
const lastEvent = {
repeat: false,
location: -1,
code: '',
key: '',
metaKey: false,
keyIdentifier: 'unsupported'
};
document.addEventListener('keydown', e => {
lastEvent.repeat = e.repeat;
lastEvent.location = e.location;
lastEvent.key = e.key;
lastEvent.code = e.code;
lastEvent.metaKey = e.metaKey;
lastEvent.keyIdentifier = 'keyIdentifier' in e && e.keyIdentifier;
}, true);
return lastEvent;
}");
