<appSettings>
	<add key="ApiKey" value="百度推送中对应应用分配的APIKey"/>
	<add key="SecretKey" value="百度推送中对应应用分配的SecretKey"/>
</appSettings>

using System.Configuration;
using Baidu.SDK.Push;
using Baidu.SDK.Push.Dto;

namespace YourNameSpace
{
	public class YourClass
	{
		// Read APIKey and SecretKey from config file, you can store them by other method
		// 从配置文件中读取APIKey以及SecretKey，也可以根据项目需要使用其他方式存储
		private readonly string _apiKey = ConfigurationManager.AppSettings["ApiKey"];
		private readonly string _secretKey = ConfigurationManager.AppSettings["SecretKey"];

		public void YourMethod()
		{
			var messageList = new List<string>
			{
				Guid.NewGuid().ToString()
			};
			var messageKeyList = new List<string>
			{
				Guid.NewGuid().ToString()
			};
			var request = new MessagePushBroadcastRequest(
            DeviceTypes.Android,
            MessageTypes.Message,
            messageList,
            messageKeyList
            );
			
			var pushService = new Client(_apiKey, _secretKey);
			var response = pushService.PushMessageBroadcast(request);
		}
	}
}