MqttRpcDeviceReadString 方法 (String, UInt16)

public virtual OperateResult<string> ReadString(
	string address,
	ushort length
)

Public Overridable Function ReadString ( 
	address As String,
	length As UShort
) As OperateResult(Of String)

public:
virtual OperateResult<String^>^ ReadString(
	String^ address, 
	unsigned short length
)

abstract ReadString : 
        address : string * 
        length : uint16 -> OperateResult<string> 
override ReadString : 
        address : string * 
        length : uint16 -> 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
OperateResult<string> R_d100_value = melsec_net.ReadString( "D100", 5 );
if (R_d100_value.IsSuccess)
{
    // success
    string value = R_d100_value.Content;
}
else
{
    // failed
}