MqttRpcDeviceWrite 方法 (String, String, Int32, Encoding) |
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
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 OperateResult Write(
string address,
string value,
int length,
Encoding encoding
)
Public Overridable Function Write (
address As String,
value As String,
length As Integer,
encoding As Encoding
) As OperateResult
public:
virtual OperateResult^ Write(
String^ address,
String^ value,
int length,
Encoding^ encoding
)
abstract Write :
address : string *
value : string *
length : int *
encoding : Encoding -> OperateResult
override Write :
address : string *
value : string *
length : int *
encoding : Encoding -> 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:
OperateResult带有成功标识的结果类对象
实现
IReadWriteNetWrite(String, String, Int32, Encoding)示例
以下为三菱的连接对象示例,其他的设备读写情况参照下面的代码:
MelsecMcNet melsec_net = new MelsecMcNet( "192.168.0.100", 6000 );
melsec_net.Write( "D100", "ABCDEFGH", 10 );
OperateResult write = melsec_net.Write( "D100", "ABCDEFGH", 10 );
if (write.IsSuccess)
{
}
else
{
}
参见