MqttRpcDeviceWriteAsync 方法 (String, String, Int32, Encoding) |
异步写入指定长度的字符串信息,如果超出,就截断字符串,如果长度不足,那就补0操作,编码为指定的编码信息
Asynchronously write string information of the specified length. If it exceeds the value, the string is truncated. If the length is not enough,
then the operation is complemented with 0 , you should specified the encoding information
命名空间:
HslCommunication.MQTT
程序集:
HslCommunication (在 HslCommunication.dll 中) 版本:12.1.2.0 (12.1.2.0)
语法 public virtual Task<OperateResult> WriteAsync(
string address,
string value,
int length,
Encoding encoding
)
Public Overridable Function WriteAsync (
address As String,
value As String,
length As Integer,
encoding As Encoding
) As Task(Of OperateResult)
public:
virtual Task<OperateResult^>^ WriteAsync(
String^ address,
String^ value,
int length,
Encoding^ encoding
)
abstract WriteAsync :
address : string *
value : string *
length : int *
encoding : Encoding -> Task<OperateResult>
override WriteAsync :
address : string *
value : string *
length : int *
encoding : Encoding -> Task<OperateResult>
参数
- address
- 类型:SystemString
起始地址 - value
- 类型:SystemString
写入值 - length
- 类型:SystemInt32
字符串的长度 - encoding
- 类型:System.TextEncoding
指定的编码信息
返回值
类型:
TaskOperateResult带有成功标识的结果类对象
实现
IReadWriteNetWriteAsync(String, String, Int32, Encoding)参见