/// <summary>
/// 数据订阅事件
/// </summary>
/// <param name="dwTransid"></param>
/// <param name="hGroup"></param>
/// <param name="hrMasterquality"></param>
/// <param name="hrMastererror"></param>
/// <param name="dwCount"></param>
/// <param name="phClientItems"></param>
/// <param name="pvValues"></param>
/// <param name="pwQualities"></param>
/// <param name="pftTimeStamps"></param>
/// <param name="pErrors"></param>
public virtual void OnDataChange(Int32 dwTransid,
Int32 hGroup,
Int32 hrMasterquality,
Int32 hrMastererror,
Int32 dwCount,
int[] phClientItems,
object[] pvValues,
short[] pwQualities,
OpcRcw.Da.FILETIME[] pftTimeStamps,
int[] pErrors)
{
var e = new OpcDaCustomAsyncEventArgs
{
GroupHandle = hGroup,
Count = dwCount,
Errors = pErrors,
Values = pvValues,
ClientItemsHandle = phClientItems
};
if (OnDataChanged != null)
{
OnDataChanged(this, e);
}
}
/// <summary>
/// 异步读取数据完成事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void ReadCompleted(object sender, OpcDaCustomAsyncEventArgs e)
{
if (OnReadCompleted != null)
{
OnReadCompleted(this, e);
}
}
/// <summary>
/// 显示数据
/// </summary>
/// <param name="e"></param>
/// <param name="index"></param>
/// <returns></returns>
public static object ShowValue(OpcDaCustomAsyncEventArgs e, int index)
{
object returnValue = null;
if (e.ClientItemsHandle != null)
{
returnValue = e.Values[e.ClientItemsHandle.First(s => s == index) - 1];
}
return(returnValue);
}
/// <summary>
/// 写入数据完成事件
/// </summary>
/// <param name="dwTransid"></param>
/// <param name="hGroup"></param>
/// <param name="hrMastererr"></param>
/// <param name="dwCount"></param>
/// <param name="pClienthandles"></param>
/// <param name="pErrors"></param>
public virtual void OnWriteComplete(Int32 dwTransid,
Int32 hGroup,
Int32 hrMastererr,
Int32 dwCount,
int[] pClienthandles,
int[] pErrors)
{
if (OnWriteCompleted != null)
{
var e = new OpcDaCustomAsyncEventArgs
{
Errors = pErrors
};
if (OnWriteCompleted != null)
{
OnWriteCompleted(this, e);
}
}
}