public void Update()
{
// It must be done on UI thread
var task = _control.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
_control.Invalidate();
});
}
private async Task InvalidateAfterResuming()
{
if (canvasControl == null)
{
return;
}
isSuccessfullyRendered = false;
for (var i = 0; i < NumRetriesToInvalidate; i++)
{
canvasControl?.Invalidate();
await Task.Delay(WaitingTimeAfterInvalidate);
if (isSuccessfullyRendered)
{
return;
}
}
RecreateCanvas();
}