SiemensS7ServerReadStringAsync 方法 (String, UInt16, Encoding)

public override Task<OperateResult<string>> ReadStringAsync(
	string address,
	ushort length,
	Encoding encoding
)

Public Overrides Function ReadStringAsync ( 
	address As String,
	length As UShort,
	encoding As Encoding
) As Task(Of OperateResult(Of String))

public:
virtual Task<OperateResult<String^>^>^ ReadStringAsync(
	String^ address, 
	unsigned short length, 
	Encoding^ encoding
) override

abstract ReadStringAsync : 
        address : string * 
        length : uint16 * 
        encoding : Encoding -> Task<OperateResult<string>> 
override ReadStringAsync : 
        address : string * 
        length : uint16 * 
        encoding : Encoding -> Task<OperateResult<string>> 

MelsecMcNet melsec_net = new MelsecMcNet( "192.168.0.100", 6000 );

// 以下是简单的读取，没有仔细校验的方式
string d100_value = melsec_net.ReadString( "D100", 5 ).Content;

// 如果需要判断是否读取成功，使用 Unicode 编码即可读取中文，如果还是乱码，就需要自己指定编码来实现
OperateResult<string> R_d100_value = melsec_net.ReadString( "D100", 5, Encoding.Unicode );
if (R_d100_value.IsSuccess)
{
    // success
    string value = R_d100_value.Content;
}
else
{
    // failed
}