private void cmdWriteAsync_Click(object sender, EventArgs e)
{
int CancelID;
int[] aE = new int[2];
object[] ItemValues = new object[2];
ItemValues[0] = txtWriteVal1.Text;
ItemValues[1] = txtWriteVal2.Text;
try
{
theGroup.AsyncWrite(HandlesServer, ItemValues, 55667788, out CancelID, out aE);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public int[] writeAsyn(int[] arryHandleServer, Object[] arryVal)
{
int[] erro = new int[1];
int CancelID;
try
{
TheGrp.AsyncWrite(arryHandleServer, arryVal, 55667788, out CancelID, out erro);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.ToString());
}
if (erro == null)
{
erro[0] = 0;
}
return(erro);
}
/// <summary>
/// 异步写数据
/// </summary>
/// <param name="dataAddress"></param>
/// <param name="dataValue"></param>
/// <returns></returns>
public OperateResult AsyncWriteData(string dataAddress, string dataValue)
{
#region 检验
if (string.IsNullOrEmpty(dataAddress) || string.IsNullOrEmpty(dataValue))
{
return(new OperateResult("传入的参数都不能为空"));
}
if (_opcServer == null)
{
return(new OperateResult("OPCServer未能正确初始化！"));
}
if (!_opcServer.IsConnected)
{
return(new OperateResult("OPCServer连接错误！"));
}
#endregion
string groupName = "AsyncWriteData";
OpcGroup group = _opcServer.FindGroupByName(groupName);
if (group != null)
{
_opcServer.RemoveGroup(group);
}
group = _opcServer.AddGroup(groupName, 1, false); //添加组
string datavalue = dataValue.Split('|')[0];
WriteCompleteEventHandler writeFinishHandler = WriteFinishHandler;
IRequest request;
#region 添加Item及写入Item
if ((dataAddress.Contains(',')) && (OPCServerName == _RSLinxOPC)) //RSLinx 数组的写入
{
//地址前缀,类型,起始位置,长度
#region RSLinx 数组及地址串
string[] tags = dataAddress.Split(',');
if (tags.Length < 3)
{
return(new OperateResult("RSLinx 地址错误"));
}
string mainAddress = tags[0]; //主地址
string type = tags[1]; //类型
int beginIndex = SafeConverter.SafeToInt(tags[2]); //开始索引
int length = SafeConverter.SafeToInt(tags[3]); //长度
string endStr = (tags.Length > 4) ? tags[4] : "";
Guid[] handels = new Guid[length];
string[] address = new string[length];
string[] values = new string[length];
for (int i = 0; i < length; i++)
{
handels[i] = Guid.NewGuid();
values[i] = datavalue.Length > i ? datavalue[i].ToString() : "0"; //默认为0
if (type.ToLower() == "array") //数组型
{
address[i] = mainAddress + "[" + (i + beginIndex).ToString() + "]";
}
else //连续地址
{
address[i] = mainAddress + type + (i + beginIndex).ToString() + endStr;
}
}
ItemResult[] itemResults = group.AddItems(address, handels);
ItemValue[] itemValues = new ItemValue[length];
for (int i = 0; i < length; i++)
{
itemValues[i] = new ItemValue(itemResults[i])
{
Value = values[i]
};
}
group.AsyncWrite(itemValues, handels, writeFinishHandler, out request);
#endregion
}
else //正常类型
{
Guid[] handel = new[] { Guid.NewGuid() };
ItemResult[] itemResults = group.AddItems(new[] { dataAddress }, handel);
ItemValue itemValue = new ItemValue(itemResults[0])
{
Value = datavalue,
};
group.AsyncWrite(new ItemValue[] { itemValue }, handel, writeFinishHandler, out request);
}
#endregion
return(OperateResult.CreateSuccessResult());
}
