MqttRpcDeviceReadDouble 方法 (String)

public OperateResult<double> ReadDouble(
	string address
)

Public Function ReadDouble ( 
	address As String
) As OperateResult(Of Double)

public:
virtual OperateResult<double>^ ReadDouble(
	String^ address
) sealed

abstract ReadDouble : 
        address : string -> OperateResult<float> 
override ReadDouble : 
        address : string -> OperateResult<float> 

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
double d100 = melsec_net.ReadDouble( "D100" ).Content;

// 如果需要判断是否读取成功
OperateResult<double> R_d100 = melsec_net.ReadDouble( "D100" );
if (R_d100.IsSuccess)
{
    // success
    double value = R_d100.Content;
}
else
{
    // failed
}