/// <summary>
/// 写入值
/// </summary>
/// <param name="group"></param>
public override bool SyncWrite(OPCGroup group)
{
/// 写入条码信息
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// 条码 index 是2
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(2);
// OPCItem AnOpcItem = group.OPCItems.GetOPCItem((int)this.ItemServerHandles.GetValue(2));
SyncItemValues[1] = this.ScanGetInposiBarcode;
group.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
if (this.SyncSetReadableFlag(group))
{
return(true);
}
}
else
{
this.ScanGetInposiBarcode = this.ScanGetInposiBarcodeWas;
}
return(false);
}
private void WriteValueBtn_1_Click(object sender, RoutedEventArgs e)
{
try
{
// 写入数据从index从 1开始
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// 写入数据从index从 1开始
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(1);
SyncItemValues[1] = this.NewValueTB_1.Text;
// 1--写入数据个数
ConnectedGroup.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
// 写入成功
Logger.Info("写入成功");
}
}
catch (Exception ex)
{
Logger.Error(ex.Message, ex);
}
}
/// <summary>
/// 设置可读
/// </summary>
/// <param name="group"></param>
public bool SyncSetRWFlag(OPCGroup group, byte flag)
{
/// 写入flag
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// FLAG index 是1
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(1);
SyncItemValues[1] = flag;
group.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
return(true);
}
return(false);
}
public string GetOPCItemSyncRead(string groupname, string adres)
{
SetConnectedGroup(groupname);
if ((ConnectedGroup != null))
{
List <OpcItems> items = OPCItem.FindAll(p => p != null && p != null && p.OPCItemName == adres);
try
{
// ' Read only 1 item
short ItemCount = 1;
// ' Provide storage the arrays returned by the 'SyncRead' method
int[] SyncItemServerHandles = new int[2];
System.Array SyncItemValues;
System.Array SyncItemServerErrors;
// ' Get the Servers handle for the desired item. The server handles were
// ' returned in add item subroutine.
SyncItemServerHandles[1] = (int)ItemServerHandles.GetValue(items[0].AdresNo);
// ' Invoke the SyncRead operation. Remember this call will wait until
// ' completion. The source flag in this case, 'OPCDevice' , is set to
// ' read from device which may take some time.
object timestamp = null;
object qualities = null;
System.Array syncitemserverhandles = SyncItemServerHandles.ToArray <int>();
ConnectedGroup.SyncRead((short)OPCAutomation.OPCDataSource.OPCDevice, ItemCount, ref syncitemserverhandles, out SyncItemValues, out SyncItemServerErrors, out qualities, out timestamp);
// ' Save off the value returned after checking for error
if (((int)SyncItemServerErrors.GetValue(1) == 0))
{
if (IsArray(SyncItemValues.GetValue(1).GetType()))
{
Array ItsAnArray;
int x;
string Suffix;
ItsAnArray = (System.Array)SyncItemValues.GetValue(1);
//((TextBox)OPCItemValue.GetValue(index)).Text = "";
items[0].OPCItemValue = "";
for (x = ItsAnArray.GetLowerBound(0); (x <= ItsAnArray.GetUpperBound(0)); x++)
{
if ((x == ItsAnArray.GetUpperBound(0)))
{
Suffix = "";
}
else
{
Suffix = ", ";
}
items[0].OPCItemValue = (items[0].OPCItemValue + (ItsAnArray.GetValue(x) + Suffix));
return(items[0].OPCItemValue);
}
}
else
{
items[0].OPCItemValue = SyncItemValues.GetValue(1).ToString();
return(items[0].OPCItemValue);
}
}
else
{
MessageBox.Show(("SyncItemServerError: " + SyncItemServerErrors.GetValue(1)));
}
}
catch (Exception ex)
{
MessageBox.Show("OPC server read item failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
}
return(string.Empty);
}
public void OPCItemWrite(string groupname, string adres, string yazilacakdeger)
{
SetConnectedGroup(groupname);
if (ConnectedGroup != null)
{
List <OpcItems> items = OPCItem.FindAll(p => p != null && p.OPCItemName == adres);
items[0].OPCItemValue = yazilacakdeger;
try
{
short ItemCount = 1;
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
System.Array SyncItemServerErrors;
OPCAutomation.OPCItem AnOpcItem;
SyncItemServerHandles[1] = Convert.ToInt32(ItemServerHandles.GetValue(items[0].AdresNo));
AnOpcItem = ((OPCAutomation.OPCItem)ConnectedGroup.OPCItems.GetOPCItem((int)ItemServerHandles.GetValue(items[0].AdresNo)));
Array ItsAnArray;
short CanonDT;
CanonDT = AnOpcItem.CanonicalDataType;
switch (CanonDT)
{
//items[0].OPCItemValue;
case (short)CanonicalDataTypes.CanonDtByte:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Byte"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtChar:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("SByte"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtWord:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("UInt16"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtShort:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Int16"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToInt16(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtDWord:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("UInt32"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtLong:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Int32"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtFloat:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Single"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtDouble:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Double"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtBool:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("Boolean"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
case (short)CanonicalDataTypes.CanonDtString:
if (OPCItemIsArray[items[0].AdresNo] > 0)
{
string str = items[0].OPCItemValue;
ItsAnArray = Array.CreateInstance(Type.GetType("String"), OPCItemIsArray[items[0].AdresNo]);
if (!LoadArray(ref ItsAnArray, CanonDT, ref str))
{
return;
}
else
{
SyncItemValues[1] = (ItsAnArray); //SyncItemValues[1] = CObj(ItsAnArray);
}
}
else
{
SyncItemValues[1] = Convert.ToByte(items[0].OPCItemValue);
}
break;
default:
MessageBox.Show("OPCItemWriteButton Unknown data type", "", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
break;
}
Array syncitemserverhandles = SyncItemServerHandles.ToArray <int>();
Array syncitemvalues = SyncItemValues.ToArray <object>();
//' Invoke the SyncWrite operation. Remember this call will wait until completion
ConnectedGroup.SyncWrite(ItemCount, ref syncitemserverhandles, ref syncitemvalues, out SyncItemServerErrors);
if ((int)SyncItemServerErrors.GetValue(1) != 0)
{
MessageBox.Show("SyncItemServerError: " + SyncItemServerErrors.GetValue(1));
}
}
catch (Exception ex)
{
MessageBox.Show("OPC server write item failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
}
}
