// Token: 0x06000009 RID: 9 RVA: 0x00002470 File Offset: 0x00000670
private DxpSimpleClass.SERVERPARAM[] BrowseServer(string sNodeName, out int nServerCnt)
{
nServerCnt = 0;
IOPCServerList iopcserverList = (IOPCServerList)DxpSimpleClass.CreateInstance(DxpSimpleClass.CLSID_SERVERLIST, sNodeName);
DxpSimpleClass.SERVERPARAM[] result;
try
{
Guid clsid_DA_ = DxpSimpleClass.CLSID_DA_30;
DxpSimpleClass.SERVERPARAM[] serverParam = this.GetServerParam(iopcserverList, clsid_DA_, out nServerCnt);
result = serverParam;
}
catch (Exception ex)
{
#if DEBUG
Debug.WriteLine(ex);
#endif
result = null;
}
finally
{
Marshal.ReleaseComObject(iopcserverList);
iopcserverList = null;
}
return(result);
}
// Token: 0x0600000B RID: 11 RVA: 0x000025B0 File Offset: 0x000007B0
private static object CreateInstance(Guid clsid, string hostName)
{
DxpSimpleClass.COSERVERINFO coserverinfo = default(DxpSimpleClass.COSERVERINFO);
DxpSimpleClass.MULTI_QI[] array = new DxpSimpleClass.MULTI_QI[1];
GCHandle gchandle = GCHandle.Alloc(DxpSimpleClass.IID_IUnknown, GCHandleType.Pinned);
array[0].iid = gchandle.AddrOfPinnedObject();
array[0].pItf = null;
array[0].hr = 0u;
try
{
uint clsctx_ALL = DxpSimpleClass.CLSCTX_ALL;
coserverinfo.pwszName = hostName;
DxpSimpleClass.CoCreateInstanceEx(ref clsid, null, clsctx_ALL, ref coserverinfo, 1u, array);
}
catch (Exception ex)
{
#if DEBUG
Debug.WriteLine(ex);
#endif
return(null);
}
gchandle.Free();
return(array[0].pItf);
}
// Token: 0x06000006 RID: 6 RVA: 0x00002170 File Offset: 0x00000370
public bool Read(string[] sItemIDArray, out object[] oValueArray, out short[] wQualityArray, out OpcRcw.Da.FILETIME[] fTimeArray, out int[] nErrorArray)
{
int num = sItemIDArray.Count <string>();
int[] array = new int[num];
for (int i = 0; i < num; i++)
{
array[i] = 0;
}
int[] array2 = new int[num];
oValueArray = new object[num];
wQualityArray = new short[num];
fTimeArray = new OpcRcw.Da.FILETIME[num];
nErrorArray = new int[num];
bool result;
try
{
IOPCItemIO iopcitemIO = (IOPCItemIO)this.m_OPCServer;
IntPtr intPtr;
IntPtr intPtr2;
IntPtr intPtr3;
IntPtr intPtr4;
iopcitemIO.Read(num, sItemIDArray, array, out intPtr, out intPtr2, out intPtr3, out intPtr4);
IntPtr intPtr5 = intPtr;
IntPtr ptr = intPtr3;
Marshal.Copy(intPtr4, nErrorArray, 0, num);
Marshal.Copy(intPtr2, wQualityArray, 0, num);
for (int j = 0; j < num; j++)
{
if (array2[j] == 0)
{
oValueArray[j] = Marshal.GetObjectForNativeVariant(intPtr5);
}
else
{
oValueArray[j] = "Error Value";
}
fTimeArray[j] = (OpcRcw.Da.FILETIME)Marshal.PtrToStructure(ptr, typeof(OpcRcw.Da.FILETIME));
DxpSimpleClass.VariantClear(intPtr5);
Marshal.DestroyStructure(ptr, typeof(OpcRcw.Da.FILETIME));
intPtr5 = (IntPtr)(intPtr5.ToInt32() + 16);
ptr = (IntPtr)(ptr.ToInt32() + Marshal.SizeOf(typeof(OpcRcw.Da.FILETIME)));
}
Marshal.FreeCoTaskMem(intPtr);
Marshal.FreeCoTaskMem(intPtr3);
Marshal.FreeCoTaskMem(intPtr4);
Marshal.FreeCoTaskMem(intPtr2);
result = true;
}
catch (Exception ex)
{
#if DEBUG
Debug.WriteLine(ex);
#endif
result = false;
}
return(result);
}
// Token: 0x06000005 RID: 5 RVA: 0x000020D4 File Offset: 0x000002D4
public bool Connect(string sNodeName, string sServerName)
{
if (this.m_OPCServer != null)
{
return(true);
}
IOPCServerList iopcserverList = (IOPCServerList)DxpSimpleClass.CreateInstance(DxpSimpleClass.CLSID_SERVERLIST, sNodeName);
bool result;
try
{
Guid clsid;
iopcserverList.CLSIDFromProgID(sServerName, out clsid);
this.m_OPCServer = (IOPCServer)DxpSimpleClass.CreateInstance(clsid, sNodeName);
if (this.m_OPCServer != null)
{
((IOPCCommon)this.m_OPCServer).SetClientName("TestClient");
this.m_bConnect = true;
result = true;
}
else
{
result = false;
}
}
catch (Exception ex)
{
#if DEBUG
Debug.WriteLine(ex);
#endif
result = false;
}
finally
{
Marshal.ReleaseComObject(iopcserverList);
iopcserverList = null;
}
return(result);
}
