MqttRpcDeviceReadInt64Async 方法 (String)

public Task<OperateResult<long>> ReadInt64Async(
	string address
)

Public Function ReadInt64Async ( 
	address As String
) As Task(Of OperateResult(Of Long))

public:
virtual Task<OperateResult<long long>^>^ ReadInt64Async(
	String^ address
) sealed

abstract ReadInt64Async : 
        address : string -> Task<OperateResult<int64>> 
override ReadInt64Async : 
        address : string -> Task<OperateResult<int64>> 

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
long d100 = (await melsec_net.ReadInt64Async( "D100" )).Content;

// 如果需要判断是否读取成功
OperateResult<long> R_d100 = await melsec_net.ReadInt64Async( "D100" );
if (R_d100.IsSuccess)
{
    // success
    double value = R_d100.Content;
}
else
{
    // failed
}