Beispiel #1
0
        private void sendState(System.Collections.Generic.Dictionary <string, object> properties)
        {
            if (coreWebView2 == null)
            {
                return;
            }

            using (var stream = new System.IO.MemoryStream())
            {
                using (var writer = new System.Text.Json.Utf8JsonWriter(stream))
                {
                    writer.WriteStartObject();
                    writer.WriteString("type", "state");
                    writer.WriteStartObject("state");

                    foreach (var pair in properties)
                    {
                        if (pair.Value == null)
                        {
                            writer.WriteNull(pair.Key);
                        }
                        else if (pair.Value is double)
                        {
                            writer.WriteNumber(pair.Key, (double)pair.Value);
                        }
                        else if (pair.Value is string)
                        {
                            writer.WriteString(pair.Key, (string)pair.Value);
                        }
                        else
                        {
                            throw new System.ArgumentException("Unsupported type for property '" + pair.Key + "'.");
                        }
                    }

                    writer.WriteEndObject();
                    writer.WriteEndObject();
                }

                string json = System.Text.Encoding.UTF8.GetString(stream.ToArray());
                coreWebView2.PostWebMessageAsJson(json);
            }
        }